Proximity, Photoelectric, and Ultrasonic Sensors, Limit Switches, Pressure Sensors, Machine Safety, Encoders, RFID, and Machine Cabling

Transcription

1 Sensors Proximity, Photoelectric, and Ultrasonic Sensors, Limit Switches, Sensors, Machine Safety, Encoders, RFID, and Machine Cabling This document provided by Barr-Thorp Electric Co., Inc. --

2 Contents Industrial pressure switches Selection Guide / Terminology / Selecting a Switch / electronic pressure sensors General Overview / XMLG pressure transmitters and pressure/vacuum switches: Introduction / Speci cations / Selection and Speci cations / Accessories and Replacement Parts / Dimensions and Wiring / XMLK pressure transmitters: Introduction / Speci cations / Selection and Speci cations / Accessories and Wiring / Dimensions / XMLF pressure sensors: Introduction / Speci cations / Selection and Speci cations / Accessories and Replacement Parts / Dimensions and Wiring / XMLE pressure transmitters and pressure switches: Introduction / Speci cations / Selection and Speci cations / Accessories / Dimensions and Wiring / electromechanical pressure and vacuum switches Introduction / Selection and Speci cations / Accessories / Dimensions / Materials in Contact with Fluid / G pressure switches Introduction / Technical Overview / Selection and Speci cations / Modi cations and Accessories / / Dimensions / Renewal Parts / G vacuum switches Selection and Speci cations / Dimensions and Modi cations / This document provided by Barr-Thorp Electric Co., Inc. -- /

3 Selection Guide Electronic pressure sensors Applications Type of installation Control circuits Fluids controlled Type of sensor and features Air, water, hydraulic oils, corrosive fluids Units without display transmitters Analog output ma or V Fluid characteristics Air, fresh water, sea water, hydraulic oils, corrosive uids, - to + C (. to. F) Sizes - to (-. to psi) Dimensions of case mm (in.) Width x height x depth Ø. x. (Ø. x.) Ø. x (Ø. x.) Type of output Analog, ma or V Degree of protection IP, IP conforming to IEC/EN, NEMA Electrical connection M connector () Integrated quick connection () Fluid connection / NPT male conforming to ISO () Catalog number XMLG D XMLG D TQ () XMLG D XMLG DTQ () XMLG Q TQ () Pages / Other versions () For other connections (such as AMP connector or cable), consult the Sensors Competency Center. () Phoenix Contact QUICKON type integrated connection. () For other fl uid connections (such as G / A BSP male or / NPTF female), refer to Interpretation of the Catalog Number on page /, or consult the Sensors Competency Center. Component materials of units in contact with the fl uid: see page /. () Sold in lots of, with a minimum order of pcs. / This document provided by Barr-Thorp Electric Co., Inc. --

4 Control circuits Air, fresh water Units without display and vacuum switches Factory set switching thresholds Solid-state NPN or PNP output transmitters Analog output, ma or... V Applications: pumping Air, fresh water, sea water, hydraulic oils, corrosive uids, - to + C (. to. F) Air, fresh water, to + C (. to. F) - to (-. to psi) to ( to psi) to. ( to psi) Ø. x. (Ø. x.) Ø. x (Ø. x.) Ø x. (Ø. x.) Solid-state, PNP or NPN normally closed (NC) output ma, / V Analog, ma or V IP, IP conforming to IEC/EN, NEMA IP conforming to IEC/EN, NEMA M connector () Integrated quick connection () M, DIN A or Metri-Pack (Packard) connector () / NPT male conforming to ISO () G / A (male) conforming to ISO or /"- NPT male () XMLG D TQ () XMLG D TQ () XMLG Q TQ () XMLG Q TQ () / / XML K BC, XML K BC TQ () XML K BD, XML K BD TQ () XML K PC, XML K PC TQ () XML K PD, XML K PD TQ () XML K PP, XML K PP TQ () () For other connections (such as AMP connector or cable), consult the Sensors Competency Center. () Phoenix Contact QUICKON type integrated connection. () For other fl uid connections (such as G / A BSP male or / NPTF female), refer to Interpretation of the Catalog Number on page /, or consult the Sensors Competency Center. Component materials of units in contact with the fl uid: see page /. () Sold in lots of, with a minimum order of pcs. This document provided by Barr-Thorp Electric Co., Inc. -- /

5 Selection Guide Electronic pressure sensors Applications Type of installation Control circuits Fluids controlled Air, water, hydraulic oils, corrosive fluids Type of sensor and features Configurable units with digital display transmitters Output current ma transmitters Output voltage V Universal sensors Regulation between thresholds (adjustable differential) Solid-state and analog output current ma Fluid characteristics Air, fresh water, sea water, hydraulic oils, corrosive uids, - to + C (. to. F) Sizes Dimensions of case mm (in.) - to (-. to psi) Width x height x depth x x (. x. x.) Type of output Analog, ma Analog, V Solid-state, PNP or NPN, ma, V output Analog output ma Degree of protection IP Electrical connection Fluid connection M connector G / A (BSP) or / NPT or SAE /- UNF female Catalog number XMLF D XMLF D XMLF D Pages / Other versions For pressure transmitters, electronic pressure switches, and vacuum switches with alternative tapped fl uid entries, consult the Sensors Competency Center. / This document provided by Barr-Thorp Electric Co., Inc. --

6 Control circuits Air, water, hydraulic oils, corrosive fluids Configurable units with digital display Units without display Universal sensors Regulation between thresholds (adjustable differential) Solid-state and analog output voltage V Dual stage pressure and vacuum switches (solidstate outputs) Detection of thresholds and adjustable differential for each threshold and vacuum switches with. A relay outputs Regulation between thresholds (adjustable differential) transmitters Analog output ma and vacuum switches with solid-state output Regulation between thresholds (adjustable differential) Air, fresh water, sea water, hydraulic oils, corrosive uids, - to + C (. to. F) Air, fresh water, sea water, hydraulic oils, corrosive uids, - to + C (. to. F) - to (-. to psi) - to (-. to psi) x x (. x. x.) x x (. x. x.) sizes to : Ø x (Ø. x.) sizes to : Ø x (Ø. x.) Solid-state, PNP or NPN, ma, V output Analog output V solid-state, PNP or NPN, ma, V outputs Relay output. A, V Analog, ma Solid-state, NPN or PNP, normally closed (NC) output IP IP M connector SAE /-UN connector DIN A or M connector G / A (BSP) or / NPT or SAE /- UNF female / NPT male, G / A (BSP) male XMLF D XMLF D XMLF E XMLE XMLE XMLE / / / For pressure transmitters, electronic pressure switches, and vacuum switches with alternative tapped fl uid entries, consult the Sensors Competency Center. This document provided by Barr-Thorp Electric Co., Inc. -- /

7 Selection Guide Electromechanical pressure and vacuum switches Applications Type of installation Control circuits Media controlled Type of operation Air, water, hydraulic oils, corrosive fluids, viscous products Fixed differential: Detection of a single threshold Adjustable differential: Regulation between two thresholds Dual-stage switches: Fixed differential, detection at each threshold Fluid characteristics Air, fresh water, sea water, corrosive uids, viscous products, up to F ( C) depending on model Size (pressure range) Dimensions of case: mm (in) width x height x depth to (. to psi) x x (. x. x.) x x (. x. x.) x x (. x. x.) Type of contacts C/O single-pole, snap action C/O single-pole, simultaneous, snap action C/O single-pole, staggered, snap action Degree of protection IP with terminal connections IP with plug-in connector IP with terminal connections IP with terminal connections IP with plug-in connector Agency listings UL, CSA, CCC, BV, LROS, RINA, GL, DNV, VIT-SEPRO Electrical connection connection Screw terminals: tapped entry: / NPT; M x. mm for ISO conduit/cable; or PG. conduit/cable entry Connector: DIN, M G (BSP female) G - (BSP female) for viscous products Catalog number XMLA XMLB XMLC XMLD Pages / Other versions For electromechanical pressure and vacuum switches with alternative tapped cable or fl uid entries, consult the Sensors Competency Center. / This document provided by Barr-Thorp Electric Co., Inc. --

8 Selection Guide (continued) G and G Industrial pressure and vacuum switches Applications Type of installation Media controlled Control circuits Air, water, hydraulic oils (), gases, steam Power circuits Type of operation Fixed differential: Detection of a single threshold Adjustable differential: Regulation between two thresholds Differential- (change in the difference between two pressures) Dual-stage switches: Fixed differential, detection at each threshold Vacuum switches Vacuum switches for control circuits for power circuits Fluid characteristics Size (pressure range) up to F ( C) Diaphragm:.- psi on falling pressure Piston actuated: -, psi on falling pressure. inhg inhg Dimensions of case: mm (in) Width x height x depth See beginning on page / Type of contacts SPDT or DPDT double break contacts DPST (SPDT for Form H) Degree of protection IP conforming to IEC Agency listings Electrical connection (enclosed devices) UL Listed and CSA Certi ed as industrial control equipment / - NPTF, PG., or ISO M; / - NPTF available only on NEMA and. NEMA is / conduit entry, unthreaded. / - NPT x / conduit entry, unthreaded connection G/ (BSP) female, / NPTF, /- NPT internal or external (depending on model), / - NPT Catalog number GD, GE, GF, GR, GS, GT GA, GB, GC, GN, GP, GQ GGW, GHW, GJW GKW, GLW, GMW GAW, GAR GVG Pages / / / / / / Other versions () The hydraulic fl uids used for laboratory testing are equivalent to SAE W oils. If oils have less viscosity than this type of oil, leakage can be expected. Schneider Electric does not have test data to support or predict fl uid bypass with oils less than SAE W. This document provided by Barr-Thorp Electric Co., Inc. -- /

9 Selecting a Switch Industrial pressure switches Steps for Selecting a Switch Choose: > Setpoints > Fluids > > > > Range Surges > Enclosure Output Electrical Connection > > > Fluid Connection Special Features System Response Catalog Number Fixed differential PH Adjustable differential PH PB The deciding factors in the selection of a pressure switch for use on control circuits depend on the requirements of the application. Consider the following requirements to help determine the appropriate catalog number for your application.. Setpoints: Do you want to control/monitor one setpoint or two? One setpoint: xed differential. Fluids: What uids do you want to control? Two setpoints: adjustable differential Hydraulic oil, air, fresh water C ( F) Steam Hydraulic oil, air, fresh water C ( F) Corrosive uid C ( F) Sea water C ( F) Viscous uid C ( F) Sea water C ( F) Ensure that the wetted parts of the switch are compatible with the system uid.. Range: What pressure range does the system experience? Note: Select pressure settings that fall within the middle % of the pressure range. The pressure applied during a normal cycle should never exceed the maximum range value listed for the switch. surges should be less than the maximum allowable pressure listed for the switch. Rated XML G / G () psi psi to. to.. to. to. to. to. to. to.. to. to.. to. to.. to. to. to. to.. to.. to. to. to.. to.. to to. to. to. to to. to. to. to. to to. to to to to. to to to to. to to to. to. to. to to. to. to to to. to. to to to. to. to to to to. to to to inhg to to to inhg to inhg (GVG only) () For G vacuum switches, the unit of rated pressure is inhg.. Surges: How frequent are surges in your system, and what is their maximum pressure level? Applications experiencing frequent or high-pressure surges may require a device with a higher pressure range. For switches used on power circuits, see catalog CT, Commercial Switches, Class Types F and G. / This document provided by Barr-Thorp Electric Co., Inc. --

10 Selecting a Switch (continued) Industrial pressure switches. Enclosure: What type of enclosure do you need? Open style NEMA Type, NEMA Type NEMA Type, X, / IP, IP. Output: What output type do you require? SPDT contacts, N/O, N/C Dual stage, SPDT contact each stage, N/O, N/C SPDT contacts, N/O, N/C Horsepower rated, GVG vacuum switch only. Electrical Connection: What type of electrical connection do you require? ½ - NPTF ¾ - NPTF (available only on NEMA & ) ISO M metric threads No threaded connection Type (PG.) metric threads (open style or NEMA only). Connection: What type of pressure connection do you require? ¼ - NPTF (female) PT ¼ (JIS B) ½ - NPT / - UNF-B G / BSP (female) metric thread. Special Features: Do you require any special features? See table on page /. When switches must be factory set and only one setting is identi ed, specify whether this setting is on rising or falling pressure. See table on page / of the catalog for available modi cations for and G Switches. (Form designations are added to the end of the part number of the standard device for these products.) Some examples are: Pilot light Prewired receptacles External range adjustment Range scale window Special factory pressure settings Connections. System response time If system response time is critical, select a switch with a volumetric displacement that is compatible with the overall system. See table below. Volumetric Displacement of G Switches Class Type Volumetric Displacement () (in ) Volumetric Displacement () (cm ) GAR, GAW, GDR, GDW-&.. GAR, GAW, GDR, GDW- &.. GAR, GAW, GDR, GDW- &.. GAR, GAW, GDR, GDW- &.. GAR, GAW, GDR, GDW- &.. GBR, GBW, GER, GEW- &.. GBR, GBW, GER, GEW- &.. GCR, GCW, GFR, GFW- &.. GCR, GCW, GFR, GFW- &.. GCR, GCW, GFR, GFW- &.. GCR, GCW, GFR, GFW- &.. () Figures shown are total displacement. When switch is operated between settings only, displacement is / of the values shown. This document provided by Barr-Thorp Electric Co., Inc. -- /

11 General Overview Electronic pressure sensors For control circuits Functions transmitters The function of pressure transmitters is the control and measurement of pressure or vacuum levels in hydraulic or pneumatic systems. They transform the pressure into an analog electrical signal which is proportional to the pressure measured. Their high precision makes them suitable for all industrial applications requiring pressure/vacuum display, control, or regulation. Also very robust, they are equally suitable for applications involving high operating rates. and vacuum switches The function of electronic pressure and vacuum switches is the control or regulation of pressure or vacuum levels in hydraulic or pneumatic systems. They transform the pressure change into a digital output signal when the preset pressure or vacuum points are reached. The very wide adjustment range for the setpoints characterize these electronic switches. Their robustness, along with their excellent adherence to the set values over time, make them ideal for applications involving high operating rates. In addition, the high repeat accuracy and fast response time of these sensors make them equally suitable for applications requiring accurate pressure regulation and monitoring. Universal sensors Universal sensors are electronic pressure and vacuum switches with digital output, which also include an analog output identical to that of the pressure transmitters. Operating principle transmitters The electrical signal from the pressure transmitter (signal proportional to the monitored pressure) is ampli ed, calibrated, and output as a standard ma or V analog signal (depending on the model). ma or V Signal Operating range and vacuum switches Designed for regulation between thresholds, these switches have both a high setpoint (PH) and a low setpoint (PB). Both of these points can be independently adjusted (adjustable differential). The difference (differential) between the two setpoints can be small or large. Since the switches are electronic, they have no mechanical moving parts. Operating principle with solid-state NC outputs switches with digital Vacuum switches with digital output output Output on Output off Dual stage pressure switches PH Adjustable differential PB PH PB PH PB Adjustable value PH = high setpoint PB = low setpoint Adjustable differential Adjustable differential Vacuum Output on Output off PH Adjustable differential PB Adjustable value PH = high setpoint st stage PB = low setpoint st stage PH = high setpoint nd stage PB = low setpoint nd stage Output st stage on Output st stage off Output nd stage on Output nd stage off / This document provided by Barr-Thorp Electric Co., Inc. --

12 General Overview (continued) Electronic pressure sensors For control circuits Terminology Measuring range The measuring range (MR) of a pressure sensor corresponds to the difference between the upper and lower values measured by the load cell. It ranges between and the pressure corresponding to the size of the sensor. Operating range The operating range of a pressure transmitter corresponds to its measuring range. Within this range, its analog output signal varies between and ma or and V, and is proportional to the measured pressure. The operating range of a pressure or vacuum switch is the difference between the values of the minimum low setpoint (PB) and the maximum high setpoint (PH). Precision This includes linearity, hysteresis, repeat accuracy, and setting tolerances. It is expressed as a percentage of the measuring range of the load cell (%MR). Signal The linearity is the maximum deviation between the real transmitted curve and the ideal curve. Signal The hysteresis is the maximum deviation between the rising pressure curve and the falling pressure curve. Signal The repeat accuracy is the maximum drift encountered at varying pressures under given conditions. Signal Signal The setting tolerances are the manufacturer s tolerances with regard to the zero point and sensitivity (gradient of output signal curve from pressure transmitter). Temperature drift The precision of a pressure sensor is susceptible to variation due to the operating temperature. Signal t t Zero point drift, proportional to the temperature, is expressed as %MR/ C. Signal t t Sensitivity drift, proportional to the temperature, is expressed as %MR/ C. This document provided by Barr-Thorp Electric Co., Inc. -- /

13 General Overview (continued) Electronic pressure sensors For control circuits + Setting point R Terminology (continued) Switching point on rising pressure (PH) This is the upper pressure setting at which the output of the electronic pressure or vacuum switch changes state on rising pressure. Switching point on falling pressure (PB) This is the lower pressure setting at which the output of the electronic pressure or vacuum switch changes state on falling pressure. Differential This is the difference between the switching point on rising pressure (PH) and the switching point on falling pressure (PB). The low point can be set at the values indicated on the operating curves shown on the product pages. Switches with fixed differential Depending on the switch, either the high or low operating point is adjustable, and the other operating point follows. The window is xed. Switches with adjustable differential An adjustable differential allows independent setting of both operating points. Spread For dual-stage switches, the spread indicates the difference between the two operating points on rising pressure (PH and PH) and, for vacuum switches, the difference between the two operating points on falling pressure (PB and PB). Differential- Sensing Switches for differential-pressure sensing measure the difference between two pressures. Size transmitters and pressure switches This is the maximum value of the operating range. Vacuum transmitters and vacuum switches This is the minimum value of the operating range. Accuracy (switches with setting scale) The tolerance between the point at which the switch actuates its contacts and the value indicated on the setting scale. Where very high setting accuracy is required (initial installation of the product), it is recommended to use separate measuring equipment (pressure gauge, etc.). Repeat accuracy This is the variation of the operating point of the pressure or vacuum switch between several successive operations, or the tolerance between two consecutive switching operations. F Drift (F) The tolerance of the operating point throughout the entire service life of the switch. / This document provided by Barr-Thorp Electric Co., Inc. --

14 General Overview (continued) Electronic pressure sensors For control circuits Terminology (continued) Maximum allowable pressure The maximum value of an accidental pressure surge of very short duration (a few milliseconds). ms Example : With destructive (burst) pressure level Without damping device With damping device ms Example : With destructive (burst) pressure level and destructive pressure oscillations Maximum permissible accidental pressure This is the maximum pressure (excluding pressure surges) that the sensor can occasionally withstand without permanent damage. Maximum allowable pressure per cycle (Ps) The maximum pressure level per cycle that the switch can withstand for optimum service life. Surge A surge is a high rate of rise in pressure, normally of short duration, caused by starting a pump or by opening and closing a valve. Depending on frequency and duration, surge can reduce service life. Extremely high rates of rise in pressure can be damaging even if they are within the limits of the maximum allowable pressure. Destruction pressure Also called burst pressure, the destruction pressure is the pressure value which, if exceeded, is likely to cause serious damage to the sensor such as leaking, bursting, or permanent damage. Load resistance of pressure transmitters The supply voltage and load resistance of a pressure transmitter must be selected according to the following formula: R load = U supply U supply min. (U supply min = V for XMLE and V for XMLF). A This document provided by Barr-Thorp Electric Co., Inc. -- /

15 Introduction Electronic pressure sensors Type XMLG For control circuits Introduction XMLG pressure transmitters and pressure switches are characterized by their ceramic pressure measuring cell. The deformation caused by the pressure is transmitted to the resistors of a Wheatstone bridge silk-screened on the ceramic. The change in resistance is then processed by the integrated electronics for providing either a digital or analog output signal. Electrical connection, for example: M Electronics with EMC protection Ceramic measuring cell Seals Leakage protection Threaded connection Functions transmitters have an analog ma or V output that is proportional to the measuring range. and vacuum switches have a solid-state NPN or PNP normally closed (NC) output. An anti-leakage system integrated in products for pressures prevents uid leakage in the event of the measuring cell destructive pressure being exceeded. These compact products that offer excellent EMC characteristics are particularly suited to dif cult industrial environments. Important ordering requirement XMLG pressure and vacuum switches are factory set; the upper and lower switching thresholds must be speci ed when ordering. Bulk packs are mainly intended for machine manufacturers. Interpretation of the Catalog Number XMLG XMLG D TQ Units without display,. mm diameter Rated pressure Code psi M -. to to. - to to to to to to to to to. to to to to to to to Electrical connection D: M Q: Integrated quick connect Output Fluid connection Bulk pack : Analog, ma : Solid state, NPN : Solid state, PNP : Analog, V (bulk packs only) NOTE: Use this table only to interpret the catalog number. Some combinations are not available. : G / A (BSP male) : /" NPT male : /" NPTF female : /- UNF male / This document provided by Barr-Thorp Electric Co., Inc. --

16 Specifi cations Electronic pressure sensors Type XMLG For control circuits Environmental specifications Conformity to standards IEC/EN -, IEC/EN -- EN -, EN -, EN -- Product certifications UL, CSA Rated supply voltage Transmitters ma / V /vacuum switches Transmitters V V Voltage limits Transmitters ma V /vacuum switches Transmitters V. V Current consumption /vacuum switches < ma Transmitters < ma Protective treatment Standard version TC Ambient air temperature For operation - to + C ( to F) For storage - to + C (- to F) Fluids or products controlled Hydraulic oils, air, fresh water, sea water, corrosive uids from - to + C ( to F) Component materials in contact with fluid Operating position Ceramic Al O, stainless steel type AISI, Viton FPM, PPS (Leakage protection for P > ) All positions Vibration resistance gn ( Hz) conforming to IEC -- Shock resistance gn (half sine wave ms) conforming to IEC -- Resistance to electromagnetic interference Electrical protection Rated impulse withstand voltage Electrostatic discharges Radiated electromagnetic elds Fast transients Surges Standard EN --, kv in air, kv on contact Standard EN --, V/m, MHz Standard EN --, kv Standard EN --, V W, kv W. Surges > - msec may cause damage to the device. Conducted disturbances, Standard EN --, V. MHz induced by radio frequency elds Magnetic elds Standard EN --, A/m, Hz Protected against reverse polarity and load short-circuit. kv Degree of protection IP, IP conforming to IEC/EN, NEMA Output response time Repeat accuracy < ms ±.% of the measuring range Precision Transmitters Combined sum of linearity, hysteresis, and repeat accuracy ± <.% of the measuring range Setting tolerance of zero point and measuring range limit ± <.% of the measuring range /vacuum switches Setting accuracy ± < % of the measuring range Drift Zero point ± <.% of the measuring range/ C Sensitivity ± <.% of the measuring range/ C Service life In millions of operating cycles > Fluid connection / NPT male conforming to ISO Electrical connection M connector or Phoenix Contact QUICKON type integrated connection. This document provided by Barr-Thorp Electric Co., Inc. -- /

17 Specifi cations Electronic pressure sensors XMLG pressure transmitters with analog output Sizes to (. to. psi) Units with analog output range () to (-. to psi) to ( to. psi) Type of electrical connection () M Integrated quick connection M Integrated quick connection Catalog Numbers transmitters, ma Sold in packs of: XMLGMD XMLGD bulk () XMLGMDTQ XMLGMQTQ XMLGDTQ XMLGQTQ transmitters, V Sold in packs of: XMLGMD XMLGD bulk () XMLGMDTQ XMLGMQTQ XMLGDTQ XMLGQTQ Fluid connection () / NPT male Weight, g (oz) (.) (.) (.) (.) Additional specifications not shown under general speci cations (page / ) Rated supply voltage / V Voltage limits V Analog output ma, -wire; or V, -wire Current consumption < ma Maximum permissible accidental pressure. (. psi). (. psi) Destructive pressure (. psi) (. psi) Electrical connection By connector XMLG D : M, -pin male. For suitable female connectors, including pre-wired versions, see page / Integrated XMLG Q : integrated connection, Phoenix Contact QUICKON type () For other pressure ranges, consult the Sensors Competency Center. () For other connections (such as AMP connector or cable), consult the Sensors Competency Center. () Sold in lots of, with a minimum order of pcs. () For other fl uid connections (such as G / A BSP male or / NPTF female), refer to Interpretation of the Catalog Number on page /, or consult the Sensors Competency Center. Component materials of units in contact with the fl uid: see page /. Output curves XMLGM XMLG Is (ma) Is (ma) - -, -, -, -, P (),,,, P () / This document provided by Barr-Thorp Electric Co., Inc. --

18 Electronic pressure sensors XMLG pressure transmitters with analog output Sizes to ( to. psi) Units with analog output range () ( psi) (. psi) Type of electrical connection () M Integrated quick M Integrated quick connection connection Catalog Numbers transmitters, ma Sold in packs of: XMLGD XMLGD bulk () XMLGDTQ XMLGQTQ XMLGDTQ XMLGQTQ transmitters, V Sold in packs of: XMLGD XMLGD bulk () XMLGDTQ XMLGQTQ XMLGDTQ XMLGQTQ Fluid connection () / NPT male Weight, g (oz) (.) (.) (.) (.) Additional specifications not shown under general speci cations (page / ) Rated supply voltage / V Voltage limits V Analog output ma, -wire; or V, -wire Current consumption < ma Maximum permissible accidental pressure ( psi) ( psi) Destructive pressure (. psi). (. psi) Electrical connection By connector XMLG D : M, -pin male. For suitable female connectors, including pre-wired versions, see page / Integrated XMLG Q : integrated connection, Phoenix Contact QUICKON type () For other pressure ranges, consult the Sensors Competency Center. () For other connections (such as AMP connector or cable), consult the Sensors Competency Center. () Sold in lots of, with a minimum order of pcs. () For other fl uid connections (such as G / A BSP male or / NPTF female), refer to Interpretation of the Catalog Number on page /, or consult the Sensors Competency Center. Component materials of units in contact with the fl uid: see page /. Output curves XMLG XMLG Is (ma) Is (ma) P () P () This document provided by Barr-Thorp Electric Co., Inc. -- /

19 Electronic pressure sensors XMLG pressure transmitters with analog output Sizes to ( to psi) Units with analog output range () ( psi) ( psi) Type of electrical connection () M Integrated quick M Integrated quick connection connection Catalog Numbers transmitters, ma Sold in packs of: XMLGD XMLGD bulk () XMLGDTQ XMLGQTQ XMLGDTQ XMLGQTQ transmitters, V Sold in packs of: XMLGD XMLGD bulk () XMLGDTQ XMLGQTQ XMLGDTQ XMLGQTQ Fluid connection () / NPT male Weight, g (oz) (.) (.) (.) (.) Additional specifications not shown under general speci cations (page / ) Rated supply voltage / V Voltage limits V Analog output () ma, -wire or V -wire Current consumption < ma Maximum permissible accidental pressure (. psi) ( psi) Destructive pressure ( psi) (. psi) Electrical connection By connector XMLG D : M, -pin male. For suitable female connectors, including pre-wired versions, see page / Integrated XMLG Q : integrated connection, Phoenix Contact QUICKON type () For other pressure ranges, consult the Sensors Competency Center. () For other connections (such as AMP connector or cable), consult the Sensors Competency Center. () Sold in lots of, with a minimum order of pcs. () For other fl uid connections (such as G / A BSP male or / NPTF female), refer to Interpretation of the Catalog Number on page /, or consult the Sensors Competency Center. Component materials of units in contact with the fl uid: see page /. () Output curves XMLG XMLG Is (ma) Is (ma) P () P () / This document provided by Barr-Thorp Electric Co., Inc. --

20 Electronic pressure sensors XMLG pressure transmitters with analog output Size: ( psi) Units with analog output range () ( psi) Type of electrical connection () M Integrated quick connection Catalog Numbers transmitters, ma Sold in packs of: XMLGD bulk () XMLGDTQ XMLGQTQ transmitters, V Sold in packs of: XMLGD bulk () XMLGDTQ XMLGQTQ Fluid connection () / NPT male Weight, g (oz) (.) (.) Additional specifications not shown under general speci cations (page / ) Rated supply voltage / V Voltage limits V Analog output () ma, -wire or V -wire Current consumption < ma Maximum permissible accidental pressure (, psi) Destructive pressure (, psi) Electrical connection By connector XMLG D : M, -pin male. For suitable female connectors, including pre-wired versions, see page / Integrated XMLG Q : integrated connection, Phoenix Contact QUICKON type () For other pressure ranges, consult the Sensors Competency Center. () For other connections (such as AMP connector or cable), consult the Sensors Competency Center. Component materials of units in contact with the fl uid: see page /. () Sold in lots of, with a minimum order of pcs. () For other fl uid connections (such as G / A BSP male or / NPTF female), refer to Interpretation of the Catalog Number on page /, or consult the Sensors Competency Center. Component materials of units in contact with the fl uid: see page /. () Output curves XMLG Is (ma) P () This document provided by Barr-Thorp Electric Co., Inc. -- /

21 Electronic pressure sensors XMLG pressure and vacuum switches Sizes to (. to. psi) Units with solid-state output () Adjustable range of switching point (PH) () () Type of electrical connection () M Integrated quick connection Catalog Numbers Only sold in bulk packs () Fluid connection (). to (. to. psi). to (. to. psi) M Integrated quick connection NPN output (N.C.) XMLGMDTQ XMLGMQTQ XMLGDTQ XMLGQTQ PNP output (N.C.) XMLGMDTQ XMLGMQTQ XMLGDTQ XMLGQTQ / NPT male Weight, g (oz) (.) (.) (.) (.) Additional specifications not shown under general speci cations (page / ) Switching thresholds () Factory set Possible differential Min. at low setting. (. psi). (. psi) Min. at high setting. (. psi). (. psi) Max. at high setting. (. psi). (. psi) Maximum permissible accidental pressure. (. psi). (. psi) Destructive pressure (. psi) (. psi) Rated supply voltage / V Voltage limits V Output Solid-state, NPN or PNP, NC Switching capacity ma Current consumption < ma Electrical connection By connector XMLG D : M, -pin male. For suitable female connectors, including pre-wired versions, see page / Integrated XMLG Q : integrated connection, Phoenix Contact QUICKON type () For other types of output (such as normally open PNP or NPN), consult the Sensors Competency Center. () For other pressure ranges, consult the Sensors Competency Center. () For other connections (such as cable and AMP connector), consult the Sensors Competency Center. () Sold in lots of, with a minimum order of pcs. () For other fl uid connections (such as G / A BSP male or / NPTF female), refer to Interpretation of the Catalog Number on page /, or consult the Sensors Competency Center. Component materials of units in contact with the fl uid: see page /. () Must state the switching threshold settings when ordering. () For vacuum switches (size - ): adjustable range of switching point (PB) on falling pressure. Operating curves XMLGM XMLG -, -, -, -, -,, Maximum differential Minimum differential -,,,, / This document provided by Barr-Thorp Electric Co., Inc. --

22 Electronic pressure sensors XMLG pressure switches Sizes to (. to. psi) Units with solid-state output () Adjustable range of switching point (PH) () Type of electrical connection () M Integrated quick connection Catalog Numbers Only sold in bulk packs () Fluid connection (). (. psi) (. psi) M Integrated quick connection NPN output (N.C.) XMLGDTQ XMLGQTQ XMLGDTQ XMLGQTQ PNP output (N.C.) XMLGDTQ XMLGQTQ XMLGDTQ XMLGQTQ / NPT male Weight, g (oz) (.) (.) (.) (.) Additional specifications not shown under general speci cations (page / ) Switching thresholds () Factory set Possible differential Min. at low setting. (. psi). (. psi) Min. at high setting. (. psi). (. psi) Max. at high setting. (. psi). (. psi) Maximum permissible accidental pressure ( psi) ( psi) Destructive pressure (. psi). (. psi) Rated supply voltage / V Voltage limits V Output Solid-state, NPN or PNP, NC Switching capacity ma Current consumption < ma Electrical connection By connector XMLG D : M, -pin male. For suitable female connectors, including pre-wired versions, see page / Integrated XML-G Q : integrated connection, Phoenix Contact QUICKON type () For other types of output (such as normally open PNP or NPN), consult the Sensors Competency Center. () For other pressure ranges, consult the Sensors Competency Center. () For other connections (such as AMP connector or cable), consult the Sensors Competency Center. () Sold in lots of, with a minimum order of pcs. () For other fl uid connections (such as G / A BSP male or / NPTF female), refer to Interpretation of the Catalog Number on page /, or consult the Sensors Competency Center. Component materials of units in contact with the fl uid: see page /. () Must state the switching threshold settings when ordering. Operating curves XMLG XMLG Maximum differential Minimum differential,,,,, This document provided by Barr-Thorp Electric Co., Inc. -- /

23 Electronic pressure sensors XMLG pressure switches Sizes to ( to psi) Units with solid-state output () Adjustable range of switching point (PH) () Type of electrical connection () M Integrated quick connection Catalog Numbers Only sold in bulk packs () Fluid connection () (. psi) ( psi) M Integrated quick connection NPN output (N.C.) XMLGDTQ XMLGQTQ XMLGDTQ XMLGQTQ PNP output (N.C.) XMLGDTQ XMLGQTQ XMLGDTQ XMLGQTQ / NPT male Weight, g (oz) (.) (.) (.) (.) Additional specifications not shown under general speci cations (page / ) Switching thresholds () Factory set Possible differential Min. at low setting (. psi). (. psi) Min. at high setting (. psi). (. psi) Max. at high setting (. psi). (. psi) Maximum permissible accidental pressure (. psi) ( psi) Destructive pressure ( psi) (. psi) Rated supply voltage / V Voltage limits V Output Solid-state, NPN or PNP, NC Switching capacity ma Current consumption < ma Electrical connection By connector XMLG D : M, -pin male. For suitable female connectors, including pre-wired versions, see page / Integrated XMLG Q : integrated connection, Phoenix Contact QUICKON type () For other types of output (such as normally open PNP or NPN), consult the Sensors Competency Center. () For other pressure ranges, consult the Sensors Competency Center. () For other connections (such as AMP connector or cable), consult the Sensors Competency Center. () Sold in lots of, with a minimum order of pcs. () For other fl uid connections (such as G / A BSP male or / NPTF female), refer to Interpretation of the Catalog Number on page /, or consult the Sensors Competency Center. Component materials of units in contact with the fl uid: see page /. () Must state the switching threshold settings when ordering. Operating curves XMLG TQ XMLG TQ Maximum differential Minimum differential,, / This document provided by Barr-Thorp Electric Co., Inc. --

24 Electronic pressure sensors Type XMLG pressure switches Size: ( psi) Units with solid-state output () Adjustable range of switching point (PH) ( psi) () Type of electrical connection () M Integrated quick connection Catalog Numbers Only sold in bulk packs () Fluid connection () NPN output (N.C.) XMLGDTQ XMLGQTQ PNP output (N.C.) XMLGDTQ XMLGQTQ / NPT male Weight, g (oz) (.) (.) Additional specifications not shown under general speci cations (page / ) Switching thresholds () Factory set Possible differential Min. at low setting ( psi) Min. at high setting ( psi) Max. at high setting ( psi) Maximum permissible accidental pressure (, psi) Destructive pressure (, psi) Rated supply voltage / V Voltage limits V Output Solid-state, NPN or PNP, NC Switching capacity ma Current consumption < ma Electrical connection By connector XMLG D : M, -pin male. For suitable female connectors, including pre-wired versions, see page / Integrated XMLG Q : integrated connection, Phoenix Contact QUICKON type () For other types of output (such as normally open PNP or NPN), consult the Sensors Competency Center. () For other pressure ranges, consult the Sensors Competency Center. () For other connections (such as AMP connector or cable), consult the Sensors Competency Center. () Sold in lots of, with a minimum order of pcs. () For other fl uid connections (such as G / A BSP male or / NPTF female), refer to Interpretation of the Catalog Number on page /, or consult the Sensors Competency Center. Component materials of units in contact with the fl uid: see page /. () Must state the switching threshold settings when ordering. Operating curve XMLG TQ Maximum differential Minimum differential This document provided by Barr-Thorp Electric Co., Inc. -- /

25 Accessories and Replacement Parts Electronic pressure sensors Type XMLG For control circuits Connection accessories Description Length of cable m (ft) Catalog number Weight g (oz) M straight, female connector () XZCCFDMV (.) XZCPL XZCPL M female connector, metal clamping ring Connector with screw terminal connections Pre-wired M female connectors Straight (Black PUR) Straight XZCCFDMB (.) XZCCFCMB (.) (.) XZCPL (.) (.) XZCPL (.) (.) XZCPL (.) XZCCFDMV XZCCFCMB Straight (Yellow PVC) (.) XSZCDY (.) (.) XSZCDY (.) (.) XSZCDY (.) (.) XZCPL (.) (.) XZCPL. (.) (.) XZCPL (.) Replacement part Description Quick connection Phoenix Contact QUICKON type Sold in lots of Unit catalog number Weight g (oz) XMLGZ (.) XMLGZ () Connector incorporating IDCs (insulation displacement connectors) for quick, direct, in-line connection to cable without a screwdriver or soldering iron. / This document provided by Barr-Thorp Electric Co., Inc. --

26 G / G / Dimensions and Wiring Electronic pressure sensors Type XMLG For control circuits Dimensions, mm (in.) XMLG D, M x connection ~ (.) SW (.) Ø. (.) Ø. ±, (.) (.). (.) (.) (.) XMLG Q, integrated quick connection ~ (.) Ø. (.) Ø, ±, (.) (.). (.) (.) SW (.) (.) Connector wiring (pressure sensor connector pin view) Electronic pressure switches transmitters M Integrated quick connection M Integrated quick connection -wire (PNP) -wire (PNP) -wire ( ma) -wire ( ma) Input + Output GND Input + Output GND Input + Output Input + Output -wire (NPN) -wire (NPN) -wire ( V) -wire ( V) Input + Output GND Input + GND Output Input + GND Output Input + Output GND This document provided by Barr-Thorp Electric Co., Inc. -- /

27 Introduction Electronic pressure sensors XMLK pressure transmitters For control circuits Introduction Type XMLK pressure transmitters are characterized by their ceramic pressuremeasuring cell. Deformation, caused by pressure, changes the resistance of the resistors of a Wheatstone bridge silk-screened on the ceramic. The change in resistance is then processed by the integrated electronics to provide an analog output signal. Electrical connection: for example, DIN EN --A connector Seals Threaded uid connection Hybrid electronics Ceramic measuring cell Functions XMLK pressure transmitters have an analog output, ma or V, which is proportional to the measuring range. These compact products are available with various types of electrical connectors and uid connections. Standard versions are available calibrated in both and psi. The bulk packaging alternative offers an excellent price/performance ratio. XMLK electronic pressure sensors are designed for simple pumping applications and are well suited for pump equipment manufacturers. / This document provided by Barr-Thorp Electric Co., Inc. --

28 Specifi cations Electronic pressure sensors XMLK pressure transmitters For control circuits Environmental Specifications Conformity to standards Product certifications Rated supply voltage V V Voltage limits Current consumption Output signal Protective treatment IEC/EN -, IEC/EN -- EN -, EN -, EN -- UL: File E, CCN NKPZ CSA: File, Class - ma: V V:. V ma: < ma V: < ma ma, - V Standard version TC Ambient air temperature For operation C ( F) to + ( to ) Fluids or products controlled Component materials in contact with fluid Operating position For storage C ( F) to + ( to ) Air, fresh water ( to + C / to F) Steel, type AISI (stainless steel) nitrile (NBR) All positions Vibration resistance gn ( Hz) conforming to IEC -- Shock resistance gn (half sine wave ms) conforming to IEC -- Resistance to electromagnetic interference Electrical protection Electrostatic discharges Radiated electromagnetic elds Fast transients Surges Conducted disturbances, induced by radio frequency elds Magnetic elds Rated impulse withstand voltage kv. Standard EN --, kv in air, kv on contact Standard EN --, > V/m,. MHz Standard EN --, kv Standard EN --, V Ω, kv Ω Standard EN --, V. MHz Standard EN --, A/m, Hz Protected against reverse polarity and load short-circuit. For use on Class circuit. Degree of protection IP conforming to IEC/EN, NEMA Output response time ms < Repeat accuracy Precision (resolution) ±.% of the measuring range Combined sum of linearity, hysteresis, and repeat accuracy <±.% of the measuring range Drift Of the zero point < ±.% of the measuring range/ K Of the sensitivity Setting tolerance of zero point and measuring range limit < ± % of the measuring range < ±.% of the measuring range/ K Service life Operating cycles > million (varies based on application and environment) Fluid connection Electrical connection G / A (male) conforming to ISO, or /"- NPT male Connector, either M, DIN A (DIN EN --A) or Packard Metri-Pack Interpretation of the catalog number Note: Use this table only to interpret the catalog number. Some combinations are not available. XMLK P D TQ Units without display Rated pressure Unit of O-Ring mm (. in.) Code psi pressure diameter Electrical connection Output Fluid connection Bulk pack B: : NBR (Nitrile) C: DIN A : Analog, ma : G / A (male) P: psi D: M : Analog, - V : /"- NPT (male) P: Packard Metri-Pack This document provided by Barr-Thorp Electric Co., Inc. -- /

29 Specifi cations Electronic pressure sensors XMLK pressure transmitters, version With analog output ma Sizes to ( to psi) transmitters type XMLK, version, DIN A connector or M connector () DIN A connector M connector range ( psi) ( psi) ( psi) (. psi) Selection transmitters XMLK, DIN A connector Sold in packs of: XMLKBC XMLKBC XMLKBC XMLKBC bulk () XMLKBCTQ XMLKBCTQ XMLKBCTQ XMLKBCTQ transmitters XMLK, M connector Sold in packs of: XMLKBD XMLKBD XMLKBD XMLKBD Fluid connection () bulk () XMLKBDTQ XMLKBDTQ XMLKBDTQ XMLKBDTQ G / A (male) Weight, kg (lb). (.). (.). (.). (.) Additional specifications not shown under general speci cations Rated supply voltage V Voltage limits Output () Current consumption V ma, -wire technique < ma Maximum permissible accidental pressure ( psi) ( psi) ( psi) ( psi) Destruction pressure ( psi) ( psi) ( psi) (. psi) Electrical connection DIN A connector EN --A (male). For suitable female connector see accessories on page /. Output curve XMLK B M connector M, -pin male. For suitable female connectors, including pre-wired versions, see accessories on page /. () For other types of electrical connections, consult the Sensor Competency Center. () Sold in lots of, minimum quantity. () For other types of fl uid connections, consult the Sensor Competency Center. () For other types of output, consult the Sensor Competency Center. Connector wiring: -wire technique ( ma) Is (ma) DIN M + Input + Output % % P () / This document provided by Barr-Thorp Electric Co., Inc. --

30 Electronic pressure sensors XMLK pressure transmitters, version With analog output V Sizes to ( to psi) transmitters type XMLK, version, DIN A connector or M connector () DIN A connector M connector range ( psi) ( psi) ( psi) (. psi) Selection transmitters XMLK, DIN A connector Sold in packs of: XMLKBC XMLKBC XMLKBC XMLKBC bulk () XMLKBCTQ XMLKBCTQ XMLKBCTQ XMLKBCTQ transmitters XMLK, M connector Sold in packs of: XMLKBD XMLKBD XMLKBD XMLKBD Fluid connection () bulk () XMLKBDTQ XMLKBDTQ XMLKBDTQ XMLKBDTQ G / A (male) Weight, kg (lb). (.). (.). (.). (.) Additional specifications not shown under general specifications Rated supply voltage V Voltage limits Output () Current consumption. V V, -wire technique < ma Maximum permissible accidental pressure ( psi) ( psi) ( psi) ( psi) Destruction pressure ( psi) ( psi) ( psi) (. psi) Electrical connection DIN A connector EN --A (male). For suitable female connector see accessories on page /. Output curve M connector M, -pin male. For suitable female connectors, including pre-wired versions, see accessories on page /. () For other types of electrical connections, consult the Sensor Competency Center. () Sold in lots of, minimum quantity. () For other types of fl uid connections, consult the Sensor Competency Center. () For other types of output, consult the Sensor Competency Center. XMLK B Connector wiring: -wire technique ( V) Us (V) DIN M Input + + Output % % P () This document provided by Barr-Thorp Electric Co., Inc. -- /

31 Electronic pressure sensors XMLK pressure transmitters, psi version With analog output ma Sizes to psi ( to. ) transmitters type XMLK, psi version, DIN A, M or Packard connector () DIN A connector M connector Packard connector range psi (. ) psi (. ) psi (. ) psi (.. ) Selection transmitters XMLK, DIN A connector Sold in packs of: XMLKPC XMLKPC XMLKPC XMLKPC bulk () XMLKPCTQ XMLKPCTQ XMLKPCTQ XMLKPCTQ transmitters XMLK, M connector Sold in packs of: XMLKPD XMLKPD XMLKPD XMLKPD bulk () XMLKPDTQ XMLKPDTQ XMLKPDTQ XMLKPDTQ transmitters XMLK, Packard connector Sold in packs of: XMLKPP XMLKPP XMLKPP XMLKPP Fluid connection () bulk () XMLKPPTQ XMLKPPTQ XMLKPPTQ XMLKPPTQ /"- NPT male Weight, kg (lb). (.). (.). (.). (.) Additional specifications not shown under general speci cations Rated supply voltage V Voltage limits Output () Current consumption V ma, -wire technique < ma Maximum permissible accidental pressure psi (. ) psi (. ) psi (. ) psi ( ) Destruction pressure psi (. ) psi ( ) psi ( ) psi ( ) Electrical connection DIN A connector EN --A (male). For suitable female connector see accessories on page / M connector Packard connector M, -pin male. For suitable female connectors, including pre-wired versions, see accessories on page /. -pin Delphi (Packard) Metri-Pack series. () For other types of electrical connections, consult the Sensor Competency Center. () Sold in lots of, minimum quantity. () For other types of fl uid connections, consult the Sensor Competency Center. () For other types of output, consult the Sensor Competency Center. Output curve XMLK P Connector wiring: -wire technique ( ma) Is (ma) DIN M Packard Input + A + Output C B + % % P (psi) / This document provided by Barr-Thorp Electric Co., Inc. --

32 Electronic pressure sensors XMLK pressure transmitters, psi version With analog output V Sizes to psi ( to. ) transmitters type XMLK, PSI version, DIN A, M or Packard connector () DIN A connector M connector Packard connector range psi (. ) psi (. ) psi (. ) psi (. ) Selection transmitters XMLK, DIN A connector Sold in packs of: XMLKPC XMLKPC XMLKPC XMLKPC bulk () XMLKPCTQ XMLKPCTQ XMLKPCTQ XMLKPCTQ transmitters XMLK, M connector Sold in packs of: XMLKPD XMLKPD XMLKPD XMLKPD bulk () XMLKPDTQ XMLKPDTQ XMLKPDTQ XMLKPDTQ transmitters XMLK, Packard connector Sold in packs of: XMLKPP XMLKPP XMLKPP XMLKPP Fluid connection () bulk () XMLKPPTQ XMLKPPTQ XMLKPPTQ XMLKPPTQ /"- NPT male Weight, kg (lb). (.). (.). (.). (.) Additional specifications not shown under general specifications Rated supply voltage V Voltage limits Output () Current consumption. V V, -wire technique < ma Maximum permissible accidental pressure psi (. ) psi (. ) psi (. ) psi ( ) Destruction pressure psi (. ) psi ( ) psi ( ) psi ( ) Electrical connection DIN A connector EN --A (male). For suitable female connector see accessories on page /. M connector Packard connector M, -pin male. For suitable female connectors, including pre-wired versions, see accessories on page /. -pin Delphi (Packard) Metri-Pack series. () For other types of electrical connections, consult the Sensor Competency Center. () Sold in lots of, minimum quantity. () For other types of fl uid connections, consult the Sensor Competency Center. () For other types of output, consult the Sensor Competency Center. Output curve XMLK P Connector wiring: -wire technique ( V) Us (V) % % P (psi) DIN M Packard + Input + Output C + A B This document provided by Barr-Thorp Electric Co., Inc. -- /

33 Accessories and Wiring Electronic pressure sensors XMLK pressure transmitters For control circuits Connection accessories Description Type Reference Weight kg (lb) M female connector, metal clamping ring () Straight XZCCFDMB. (.) Elbowed XZCCFCMB. (.) XZ CCFDMB XZ CCFCMB DIN A female connector () XZCCFCPB. (.) XZ CCFCPB Description Pre-wired M, straight female connectors Pre-wired M, elbowed female connectors Cable Length Reference Weight kg (lb) m XZCPL. (.) m XZCPL. (.) m XZCPL. (.) m XZCPL. (.) m XZCPL. (.) m XZCPL. (.) XZ CPL XZ CPL () Connector with screw terminal connections. Connector wiring (pressure sensor connector pin view) transmitters XMLK -wire technique ( ma) DIN M Packard Input + Output A + Output C B Input + -wire technique ( V) DIN M Packard + Input + Output Output C + A B Input / This document provided by Barr-Thorp Electric Co., Inc. --

34 Ø. Ø G / /- NPT Ø. Ø G / /- NPT Ø. Ø G / /- NPT Dimensions Electronic pressure sensors XMLK pressure transmitters For control circuits Dimensions XMLK, DIN connector NPT G / A (male). SW. Ø. (±,) XMLK, M connector NPT G / A (male) SW. Ø. (±,) XMLK, Packard connector NPT G / A (male). Ø. (±,) Dimensions = mm / in. This document provided by Barr-Thorp Electric Co., Inc. -- /

35 Introduction Electronic pressure sensors XMLF pressure sensors For control circuits Output Output Menu Enter Bar Psi Introduction XMLF electronic pressure sensors are used for pressure control of hydraulic oils, fresh water, sea water, air, and corrosive uids, between - and (-. and psi). Simplifying setup XMLF electronic pressure sensors are characterized by their ceramic pressure measuring cell. Large -digit display indicating the programming codes, parameter values, or measured pressure. LED indicating the selected unit of measurement ( or psi). LED indicating the status of the pressure switch output(s). Ergonomic keys for con guring the product via the pull-down menu. Excellent resistance to overpressure. Memorization and ability to display the pressure peaks within the installation. Three menus enable the user to do the following: - con gure (PROG menu) the various functions of the unit (access to all the parameters of the product) - perform (USER menu) diagnostic operations and, for pressure switches, to set the switching point pressure values - read (READ menu) all the con guration details, together with the values set in the PROG and USER menus Functions transmitters XMLF D have a ma or V analog output. In addition to having a manual diagnostic function (see below), they also incorporate a remote diagnostic function: a digital input connected to a PLC, for example, enables remote activation of the sensor s test function. When the sensor is operating correctly, the analog output must, when testing, be close to % of the sensor size ( ma or V). Universal sensors XMLF D are pressure switches with an adjustable differential, for regulation between thresholds, featuring a solid-state output (con gurable for NPN or PNP, and for NO or NC), and a ma or V analog output. They incorporate the manual diagnostic function (see below). switches XMLF D are dual stage switches, with adjustable differential for each threshold, featuring solid-state outputs (con gurable for NPN or PNP, and for NO or NC). They incorporate the manual diagnostic function (see below). switches XMLF E for AC control are switches with adjustable differential, for regulation between thresholds, featuring a. A, AC relay output (con gurable for NO or NC). They incorporate the manual diagnostic function (see below). XMLF sensors feature: Various configurable functions For the display: - pressure unit of measurement ( or psi), - response time (slow: display refreshes in increments of % of the unit size; normal: display refreshes in increments of.% of the unit size; or fast: display refreshes every ms). For the analog output: - response time (adjustable from to ms, in increments of ms), - maximum pressure of the output curve (adjustable from to % of the unit size). For each solid-state output: - PNP or NPN logic, - NO or NC output, - time delay on trip and on reset (adjustable from to s, in increments of s), - response time (adjustable from to ms, in increments of ms). For the AC relay output models: - NO or NC contact, - time delay on trip and on reset (adjustable from to s, in increments of s), - response time (adjustable from to ms, in increments of ms). Manual diagnostic function enabling: - checking the correct operation of sensor - reading the value of the maximum pressure peak that has occurred since the last reset to zero, as well as deleting this value for a fresh reset. / This document provided by Barr-Thorp Electric Co., Inc. --

36 General Overview (continued) Electronic pressure sensors For control circuits Features of XMLF pressure sensors XMLF pressure sensors (see page / ) feature numerous possibilities for con guring the display (response time, choice of or psi units), the analog output signal operation (maximum signal output adjustable between % and % of the unit size), the solid-state output operation (PNP or NPN, NO or NC, time delay on opening or on closing, response time), and the status signaling (see below). A diagnostic function enables veri cation at any time of the sensor s correct operation (see below), and also provides information regarding pressure peak values. Self-test function (calibration shunt) XMLF pressure sensors incorporate a diagnostic function that can be used at any time to check the correct operation of the unit. An internal system enables automatic monitoring of the sensor circuits, including the ceramic pressure measuring load cell. For all models, this function is manually activated and the result of the test is indicated on the display (DONE or ERR). For pressure transmitters, this function can also be remotely activated via a digital input connected to a PLC, which enables automatic veri cation without operator intervention. In this case, the self-test also generates an analog output signal equivalent to % of the sensor s size ( ma or V), which in turn can be veri ed by the PLC. The unit should be replaced if the difference between the signal transmitted and the standard theoretical value is too great. Operational status signaling XMLF pressure and vacuum switches feature status LED indicators for the digital outputs. Indication can be con gured for two modes: - Hysteresis mode: the indicator illuminates when the output is activated (output off for NC con guration or output on for NO con guration). - Window mode: the indicator illuminates when the measured pressure is between the high and low setpoint values. Selection of switch size Size is selected according to the maximum pressure of the system to be controlled. Adherence to pressure Select a size where the nominal pressure is higher than the maximum pressure of the controlled system. Precision, repeat accuracy The precision and repeat accuracy are expressed as a percentage of the measuring range. Better detection is achieved when the sensor size is close to that of the maximum pressure of the controlled system. As general rule, avoid working toward the bottom limit of the measuring range. Minimum differential of a pressure or vacuum switch The minimum differential for each switch size is a percentage of its operating range: % for XMLE, and % for XMLF. Selection example for a pressure switch Maximum pressure of the system = High Setpoint (PH)= Low Setpoint (PB)= alternatives: XML ( ) or XML ( ) Advantages: XML : maximum repeat accuracy and precision XML : withstand of overpressure. This document provided by Barr-Thorp Electric Co., Inc. -- /

37 Specifi cations Electronic pressure sensors XMLF pressure sensors For control circuits Environmental specifications Conformity to standards, IEC/EN -, IEC/EN --, EN, EN, EN --, EN --////// Product certifications Protective treatment UL, CSA Standard version TC Ambient air temperature For operation DC models: - to + C (- to F) AC models: - to + C (- to F) Fluids or products controlled Hydraulic oils, air, fresh water, sea water, corrosive uids from - to + C ( to F) Component materials in contact with fluid Stainless steel uid entry type AISI, Viton gasket Ceramic pressure measuring cell Operating position All positions Vibration resistance gn ( Hz) and gn ( Hz), conforming to IEC -- Shock resistance gn, conforming to IEC -- Electrical protection Protected against reverse polarity, short-circuit, overload, and miswiring Resistance to electromagnetic Electrostatic discharges Standard EN -- contact kv, air kv interference Radiated electromagnetic Standard EN -- V/m elds Fast transients Standard EN -- kv Surges Standard EN -- (AC) kv, (DC). kv Conducted disturbances, Standard EN -- V induced by radio frequency elds Degree of protection IP conforming to IEC/EN, NEMA /// Operating rate Output response time < Hz Adjustable from to ms, in increments of ms Service life In millions of operating > cycles Drift Of the zero point < ±.% of the measuring range/ C Of the sensitivity < ±.% of the measuring range/ C Precision Analog output.% of the measuring range, output offset < mv Digital output.% of the measuring range Repeat accuracy.% of the measuring range Display response time Adjustable; options: - slow (% of the unit size), - normal (.% of the unit size), or - fast (refreshed every ms) Fluid connection Electrical connection G / A (BSP female) conforming to NF E - and ISO, / NPT, or SAE /-UNF female, depending on the model M connector or SAE /-UN connector, depending on the model / This document provided by Barr-Thorp Electric Co., Inc. --

38 Specifi cations Electronic pressure sensors XMLF pressure sensors For control circuits Interpretation of the Catalog Number XMLF XMLF D Configurable Rated pressure Code psi M -. to to. to to to. to to to to to to to - to to. to to to to to to to to to to Electrical Connection D: M DC only E: /- UNA AC only Output NOTE: Use this table only to interpret the catalog number. Some combinations are not available. N/A : : : : : : DC Analog ma, shunt calibration DC Analog ma, digital single stage DC Analog V, shunt calibration DC Analog V, digital single stage DC digital dual stage AC Relay V Fluid Connection : /" BSP female : /" NPTF female : SAE /- UNF female This document provided by Barr-Thorp Electric Co., Inc. -- /

39 Electronic pressure sensors XMLF pressure sensors Size: (. psi) Type transmitters Universal sensors with adjustable differential. Solid-state and analog outputs Adjustable range of switching point (PB) (). to (-. to -. psi) Analog output ma V ma V Catalog Numbers Fluid connection () / BSP female XMLFMD XMLFMD XMLFMD XMLFMD / NPT female XMLFMD XMLFMD XMLFMD XMLFMD Weight, g (oz) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (add to PB to give PH) Maximum permissible accidental pressure Destructive pressure Rated supply voltage Voltage limits Current consumption Min. at low and high setting. (. psi) Max. at low setting. (. psi) (. psi) (. psi) V V ma Output Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity ma Analog output ma or V, depending on the model. Maximum signal level adjustable between -. and. (-. and. psi) Electrical connection M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Curves Analog output curve Vacuum sensor operating curves ma - V -, -, -, -, ma - V -, PH ma - V - -, -,, - PB Vacuum Maximum differential Minimum differential Adjustable value / This document provided by Barr-Thorp Electric Co., Inc. --

40 Electronic pressure sensors XMLF pressure sensors Size: (. psi) Type Vacuum switches with adjustable differential and relay output Dual stage adjustable vacuum switches with solid-state outputs Adjustable range of switching point(s) (PB or PB and PB) () Catalog Numbers Fluid connection (). to (. to. psi) / BSP female XMLFME XMLFMD / NPT female XMLFME XMLFMD Weight, g (oz) (.) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (add to: PB to get PH Max. at low setting PB & PB to get PH & PH) Maximum permissible accidental pressure Destructive pressure Min. at low and high setting. (. psi) For each stage:. (. psi) (. psi) (. psi) min. at low and high setting:. (. psi) max. at low setting:. (. psi) Rated supply voltage V V Voltage limits V V Current consumption ma ma Output Relay Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity. A, AC-, C ( V /. A) ma Electrical connection SAE /-UN, -pin male connector. For suitable female pre-wired connectors, see page / M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Vacuum switch operating curves (Curve for each stage for dual stage vacuum switches) Vacuum switches with relay output Dual stage vacuum switches -, -, -, -, Maximum differential Minimum differential -, - PH PB Vacuum PH PB PH PB Vacuum Adjustable value Adjustable value This document provided by Barr-Thorp Electric Co., Inc. -- /

41 Electronic pressure sensors XMLF pressure sensors Size: (. psi) Type transmitters Universal sensors with adjustable differential. Solid-state and analog outputs () Adjustable range of switching point (PH) (). (.. psi) Analog output ma V ma V Catalog Numbers Fluid connection () / BSP female XMLFD XMLFD XMLFD XMLFD / NPT female XMLFD XMLFD XMLFD XMLFD Weight, g (oz) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from PH to get PB) Min. at low and high setting. (. psi) Max. at high setting. (. psi) Maximum permissible accidental pressure ( psi) Destructive pressure ( psi) Rated supply voltage V Voltage limits V Current consumption ma Output Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity ma Analog output ma or V, depending on the model. Maximum signal level adjustable between. and. (. and. psi) Electrical connection M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / Curves Analog output curve () sensors with adjustable differential for regulation between thresholds. Solid-state and analog outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. sensor operating curves ma - V ma - V, PH PB ma - V,,,,,,, Maximum differential Minimum differential Adjustable value / This document provided by Barr-Thorp Electric Co., Inc. --

42 Electronic pressure sensors XMLF pressure sensors Size: (. psi) Type switches with adjustable differential and relay output () Dual stage adjustable pressure switches with solid-state outputs () Adjustable range of switching point(s) (PH or PH and PH) () Catalog Numbers Fluid connection (). (.. psi) / BSP female XMLFE XMLFD / NPT female XMLFE XMLFD Weight, g (oz) (.) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from: Max. at high setting PH to give PB PH & PH to get PB & PB) Maximum permissible accidental pressure Destructive pressure Min. at low and high setting. (. psi) For each stage:. (. psi) ( psi) ( psi) min. at low and high setting:. (. psi) max. at high setting:. (. psi) Rated supply voltage V V Voltage limits V V Current consumption ma ma Output Relay Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity. A, AC-, C ( V /. A) ma Electrical connection SAE /-UN, -pin male connector. For suitable female pre-wired connectors,see page / M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / () switches with adjustable differential for regulation between thresholds. Relay output. () switches with adjustable stages and adjustable differential for each threshold. Solid-state outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. switch operating curves (Curve for each stage for dual stage pressure switches) switches with relay output Dual stage pressure switches, PH PB PH PB PH PB,,,, Maximum differential Minimum differential Adjustable value Adjustable value This document provided by Barr-Thorp Electric Co., Inc. -- /

43 Electronic pressure sensors XMLF pressure sensors Size:. (. psi) Type transmitters Universal sensors with adjustable differential. Solid-state and analog outputs () Adjustable range of switching point (PH) ().. (.. psi) Analog output ma V ma V Catalog Numbers Fluid connection () / BSP female XMLFD XMLFD XMLFD XMLFD / NPT female XMLFD XMLFD XMLFD XMLFD Weight, g (oz) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from PH to give PB) Min. at low and high setting. (. psi) Max. at high setting. (. psi) Maximum permissible accidental pressure ( psi) Destructive pressure (. psi) Rated supply voltage V Voltage limits V Current consumption ma Output Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity ma Analog output ma or V, depending on the model. Maximum signal level adjustable between. and. (. and. psi) Electrical connection M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / Curves Analog output curve () sensors with adjustable differential for regulation between thresholds. Solid-state and analog outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. sensor operating curves ma - V ma - V, PH PB ma - V,,,,,, Maximum differential Minimum differential Adjustable value / This document provided by Barr-Thorp Electric Co., Inc. --

44 Electronic pressure sensors XMLF pressure sensors Size:. (. psi) Type switches with adjustable differential and relay output () Dual stage adjustable pressure switches with solid-state outputs () Adjustable range of switching point(s) (PH or PH and PH) () Catalog Numbers Fluid connection ().. (.. psi) / BSP female XMLFE XMLFD / NPT female XMLFE XMLFD Weight, g (oz) (.) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from: Max. at high setting PH to get PB PH & PH to get PB & PB) Maximum permissible accidental pressure Destructive pressure Min. at low and high setting. (. psi) For each stage:. (. psi) ( psi) (. psi) min. at low and high setting:. (. psi) max. at high setting:. (. psi) Rated supply voltage V V Voltage limits V V Current consumption ma ma Output Relay Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity. A, AC-, C ( V /. A) ma Electrical connection SAE /-UN, -pin male connector. For suitable female pre-wired connectors, see page / M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / () switches with adjustable differential for regulation between thresholds. Relay output. () switches with adjustable stages and adjustable differential for each threshold. Solid-state outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. switch operating curves (Curve for each stage for dual stage pressure switches) switches with relay output Dual stage pressure switches, PH PB PH PB PH PB,,, Maximum differential Minimum differential Adjustable value Adjustable value This document provided by Barr-Thorp Electric Co., Inc. -- /

45 Electronic pressure sensors XMLF pressure sensors Size: ( psi) Type transmitters Universal sensors with adjustable differential. Solid-state and analog outputs () Adjustable range of switching point (PH) (). (. psi) Analog output ma V ma V Catalog Numbers Fluid connection () / BSP female XMLFD XMLFD XMLFD XMLFD / NPT female XMLFD XMLFD XMLFD XMLFD SAE /-UNF female XMLFD Weight, g (oz) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from PH to give PB) Min. at low and high setting. (. psi) Max. at high setting. (. psi) Maximum permissible accidental pressure ( psi) Destructive pressure ( psi) Rated supply voltage V Voltage limits V Current consumption ma Output Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity ma Analog output ma or V, depending on the model. Maximum signal level adjustable between. and. (. and. psi) Electrical connection M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / Curves Analog output curve () sensors with adjustable differential for regulation between thresholds. Solid-state and analog outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. sensor operating curves ma - V PH ma - V ma - V,,,,, Maximum differential Minimum differential PB Adjustable value / This document provided by Barr-Thorp Electric Co., Inc. --

46 Electronic pressure sensors XMLF pressure sensors Size: ( psi) Type switches with adjustable differential and relay output () Dual stage adjustable pressure switches with solid-state outputs () Adjustable range of switching point(s) (PH or PH and PH) () Catalog Numbers Fluid connection (). (. psi) / BSP female XMLFE XMLFD / NPT female XMLFE XMLFD SAE /-UNF female XMLFE XMLFD Weight, g (oz) (.) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from: Max. at high setting PH to get PB PH & PH to get PB & PB) Maximum permissible accidental pressure Destructive pressure Min. at low and high setting. (. psi) For each stage:. (. psi) ( psi) ( psi) min. at low and high setting:. (. psi) max. at high setting:. (. psi) Rated supply voltage V V Voltage limits V V Current consumption ma ma Output Relay Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity. A, AC-, C ( V /. A) ma Electrical connection SAE /-UN, -pin male connector. For suitable female pre-wired connectors, see page / M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / () switches with adjustable differential for regulation between thresholds. Relay output. () switches with adjustable stages and adjustable differential for each threshold. Solid-state outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. switch operating curves (Curve for each stage for dual stage pressure switches) switches with relay output Dual stage pressure switches PH PH PB, PB PH PB,, Maximum differential Minimum differential Adjustable value Adjustable value This document provided by Barr-Thorp Electric Co., Inc. -- /

47 Electronic pressure sensors XMLF pressure sensors Size: ( psi) Type transmitters Universal sensors with adjustable differential. Solid-state and analog outputs () Adjustable range of switching point (PH) (). (. psi) Analog output ma V ma V Catalog Numbers Fluid connection () / BSP female XMLFD XMLFD XMLFD XMLFD / NPT female XMLFD XMLFD XMLFD XMLFD SAE /-UNF female XMLFD Weight, g (oz) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from PH to give PB) Min. at low and high setting. (. psi) Max. at high setting. (. psi) Maximum permissible accidental pressure ( psi) Destructive pressure ( psi) Rated supply voltage V Voltage limits V Current consumption ma Output Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity ma Analog output ma or V, depending on the model. Maximum signal level adjustable between and ( and psi) Electrical connection M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / Curves Analog output curve () sensors with adjustable differential for regulation between thresholds. Solid-state and analog outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. sensor operating curves ma - V PH ma - V, ma - V,, PB Maximum differential Minimum differential Adjustable value / This document provided by Barr-Thorp Electric Co., Inc. --

48 Electronic pressure sensors XMLF pressure sensors Size: ( psi) Type switches with adjustable differential and relay output () Dual stage adjustable pressure switches with solid-state outputs () Adjustable range of switching point(s) (PH or PH and PH) () Catalog Numbers Fluid connection (). (. psi) / BSP female XMLFE XMLFD / NPT female XMLFE XMLFD Weight, g (oz) (.) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from: Max. at high setting PH to get PB PH & PH to get PB & PB) Maximum permissible accidental pressure Destructive pressure Min. at low and high setting. (. psi) For each stage:. (. psi) ( psi) ( psi) min. at low and high setting:. (. psi) max. at high setting:. (. psi) Rated supply voltage V V Voltage limits V V Current consumption ma ma Output Relay Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity. A, AC-, C ( V /. A) ma Electrical connection SAE /-UN, -pin male connector. For suitable female pre-wired connectors, see page / M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / () switches with adjustable differential for regulation between thresholds. Relay output. () switches with adjustable stages and adjustable differential for each threshold. Solid-state outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. switch operating curves (Curve for each stage for dual stage pressure switches) switches with relay output Dual stage pressure switches PH PB PH PB PH PB,,, Maximum differential Minimum differential Adjustable value Adjustable value This document provided by Barr-Thorp Electric Co., Inc. -- /

49 Electronic pressure sensors XMLF pressure sensors Size: (. psi) Type transmitters Universal sensors with adjustable differential. Solid-state and analog outputs () Adjustable range of switching point (PH) () (. psi) Analog output ma V ma V Catalog Numbers Fluid connection () / BSP female XMLFD XMLFD XMLFD XMLFD / NPT female XMLFD XMLFD XMLFD XMLFD Weight, g (oz) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from PH to give PB) Min. at low and high setting. (. psi) Max. at high setting. (. psi) Maximum permissible accidental pressure ( psi) Destructive pressure ( psi) Rated supply voltage V Voltage limits V Current consumption ma Output Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity ma Analog output ma or V, depending on the model. Maximum signal level adjustable between. and. (. and. psi) Electrical connection M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / Curves Analog output curve () sensors with adjustable differential for regulation between thresholds. Solid-state and analog outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. sensor operating curves ma - V ma - V PH PB ma - V,,,, Maximum differential Minimum differential Adjustable value / This document provided by Barr-Thorp Electric Co., Inc. --

50 Electronic pressure sensors XMLF pressure sensors Size: (. psi) Type switches with adjustable differential and relay output () Dual stage adjustable pressure switches with solid-state outputs () Adjustable range of switching point(s) (PH or PH and PH) () Catalog Numbers Fluid connection () (. psi) / BSP female XMLFE XMLFD / NPT female XMLFE XMLFD Weight, g (oz) (.) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from: Max. at high setting PH to get PB PH & PH to get PB & PB) Maximum permissible accidental pressure Destructive pressure Min. at low and high setting. (. psi) For each stage:. (. psi) ( psi) ( psi) min. at low and high setting:. (. psi) max. at high setting:. (. psi) Rated supply voltage V V Voltage limits V V Current consumption ma ma Output Relay Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity. A, AC-, C ( V /. A) ma Electrical connection SAE /-UN, -pin male connector. For suitable female pre-wired connectors, see page / M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / () switches with adjustable differential for regulation between thresholds. Relay output. () switches with adjustable stages and adjustable differential for each threshold. Solid-state outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. switch operating curves (Curve for each stage for dual stage pressure switches) switches with relay output Dual stage pressure switches PH PB PH PB PH PB,, Maximum differential Minimum differential Adjustable value Adjustable value This document provided by Barr-Thorp Electric Co., Inc. -- /

51 Electronic pressure sensors XMLF pressure sensors Size: ( psi) Type transmitters Universal sensors with adjustable differential. Solid-state and analog outputs () Adjustable range of switching point (PH) (). (. psi) Analog output ma V ma V Catalog Numbers Fluid connection () / BSP female XMLFD XMLFD XMLFD XMLFD / NPT female XMLFD XMLFD XMLFD XMLFD Weight, g (oz) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from PH to give PB) Min. at low and high setting. (. psi) Max. at high setting ( psi) Maximum permissible accidental pressure ( psi) Destructive pressure ( psi) Rated supply voltage V Voltage limits V Current consumption ma Output Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity ma Analog output ma or V, depending on the model. Maximum signal level adjustable between and ( and psi) Electrical connection M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / Curves Analog output curve () sensors with adjustable differential for regulation between thresholds. Solid-state and analog outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. sensor operating curves ma - V ma - V PH PB ma - V,, Maximum differential Minimum differential Adjustable value / This document provided by Barr-Thorp Electric Co., Inc. --

52 Electronic pressure sensors XMLF pressure sensors Size: ( psi) Type switches with adjustable differential and relay output () Dual stage adjustable pressure switches with solid-state outputs () Adjustable range of switching point(s) (PH or PH and PH) () Catalog Numbers Fluid connection (). (. psi) / BSP female XMLFE XMLFD / NPT female XMLFE XMLFD Weight, g (oz) (.) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from: Max. at high setting PH to get PB PH & PH to get PB & PB) Maximum permissible accidental pressure Destructive pressure Min. at low and high setting. (. psi) For each stage: ( psi) ( psi) ( psi) min. at low and high setting:. (. psi) max. at high setting: ( psi) Rated supply voltage V V Voltage limits V V Current consumption ma ma Output Relay Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity. A, AC-, C ( V /. A) ma Electrical connection SAE /-UN, -pin male connector. For suitable female pre-wired connectors, see page / M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / () switches with adjustable differential for regulation between thresholds. Relay output. () switches with adjustable stages and adjustable differential for each threshold. Solid-state outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. switch operating curves (Curve for each stage for dual stage pressure switches) switches with relay output Dual stage pressure switches PH PB PH PB PH PB,, Maximum differential Minimum differential Adjustable value Adjustable value This document provided by Barr-Thorp Electric Co., Inc. -- /

53 Electronic pressure sensors XMLF pressure sensors Size: ( psi) Type transmitters Universal sensors with adjustable differential. Solid-state and analog outputs () Adjustable range of switching point (PH) (). (. psi) Analog output ma V ma V Catalog Numbers Fluid connection () / BSP female XMLFD XMLFD XMLFD XMLFD / NPT female XMLFD XMLFD XMLFD XMLFD SAE /-UNF female XMLFD Weight, g (oz) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from PH to give PB) Min. at low and high setting. (. psi) Max. at high setting. (. psi) Maximum permissible accidental pressure ( psi) Destructive pressure ( psi) Rated supply voltage V Voltage limits V Current consumption ma Output Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity ma Analog output ma or V, depending on the model. Maximum signal level adjustable between. and. (. and. psi) Electrical connection M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / () sensors with adjustable differential for regulation between thresholds. Solid-state and analog outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. Curves Analog output curve sensor operating curves ma - V PH ma - V PB ma - V,,,,, Maximum differential Minimum differential Adjustable value / This document provided by Barr-Thorp Electric Co., Inc. --

54 Electronic pressure sensors XMLF pressure sensors Size: ( psi) Type switches with adjustable differential and relay output () Dual stage adjustable pressure switches with solid-state outputs () Adjustable range of switching point(s) (PH or PH and PH) (). (. psi) Catalog Numbers Fluid connection () / BSP female XMLFE XMLFD / NPT female XMLFE XMLFD SAE /-UNF female XMLFD Weight, g (oz) (.) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from: Max. at high setting PH to get PB PH & PH to get PB & PB) Maximum permissible accidental pressure Destructive pressure Min. at low and high setting. (. psi) For each stage:. (. psi) ( psi) ( psi) min. at low and high setting:. (. psi) max. at high setting:. (. psi) Rated supply voltage V V Voltage limits V V Current consumption ma ma Output Relay Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity. A, AC-, C ( V /. A) ma Electrical connection SAE /-UN, -pin male connector. For suitable female pre-wired connectors, see page / M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / () switches with adjustable differential for regulation between thresholds. Relay output. () switches with adjustable stages and adjustable differential for each threshold. Solid-state outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. switch operating curves (Curve for each stage for dual stage pressure switches) switches with relay output Dual stage pressure switches PH PH PB PB PH PB,,, Maximum differential Minimum differential Adjustable value Adjustable value This document provided by Barr-Thorp Electric Co., Inc. -- /

55 Electronic pressure sensors XMLF pressure sensors Size: ( psi) Type transmitters Universal sensors with adjustable differential. Solid-state and analog outputs () Adjustable range of switching point (PH) () ( psi) Analog output ma V ma V Catalog Numbers Fluid connection () / BSP female XMLFD XMLFD XMLFD XMLFD / NPT female XMLFD XMLFD XMLFD XMLFD Weight, g (oz) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from PH to give PB) Min. at low and high setting (. psi) Max. at high setting (. psi) Maximum permissible accidental pressure ( psi) Destructive pressure ( psi) Rated supply voltage V Voltage limits V Current consumption ma Output Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity ma Analog output ma or V, depending on the model. Maximum signal level adjustable between and (. and. psi) Electrical connection M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / Curves Analog output curve () sensors with adjustable differential for regulation between thresholds. Solid-state and analog outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. sensor operating curves ma - V PH ma - V ma - V Maximum differential Minimum differential PB Adjustable value / This document provided by Barr-Thorp Electric Co., Inc. --

56 Electronic pressure sensors XMLF pressure sensors Size: ( psi) Type switches with adjustable differential and relay output () Dual stage adjustable pressure switches with solid-state outputs () Adjustable range of switching point(s) (PH or PH and PH) () Catalog Numbers Fluid connection () ( psi) / BSP female XMLFE XMLFD / NPT female XMLFE XMLFD Weight, g (oz) (.) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from: Max. at high setting PH to get PB PH & PH to get PB & PB) Maximum permissible accidental pressure Destructive pressure Min. at low and high setting (. psi) For each stage: (. psi) ( psi) ( psi) min. at low and high setting: (. psi) max. at high setting: (. psi) Rated supply voltage V V Voltage limits V V Current consumption ma ma Output Relay Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity. A, AC-, C ( V /. A) ma Electrical connection SAE /-UN, -pin male connector. For suitable female pre-wired connectors, see page / M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / () switches with adjustable differential for regulation between thresholds. Relay output. () switches with adjustable stages and adjustable differential for each threshold. Solid-state outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. switch operating curves (Curve for each stage for dual stage pressure switches) switches with relay output Dual stage pressure switches PH PH PB PB PH PB Maximum differential Minimum differential Adjustable value Adjustable value This document provided by Barr-Thorp Electric Co., Inc. -- /

57 Electronic pressure sensors XMLF pressure sensors Size: ( psi) Type transmitters Universal sensors with adjustable differential. Solid-state and analog outputs () Adjustable range of switching point (PH) (). (. psi) Analog output ma V ma V Catalog Numbers Fluid connection () / BSP female XMLFD XMLFD XMLFD XMLFD / NPT female XMLFD XMLFD XMLFD XMLFD Weight, g (oz) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from PH to give PB) Min. at low and high setting. (. psi) Max. at high setting ( psi) Maximum permissible occasional surge pressure ( psi) Destructive pressure (, psi) Rated supply voltage V Voltage limits V Current consumption ma Output Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity ma Analog output ma or V, depending on the model. Maximum signal level adjustable between and ( and psi) Electrical connection M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / Curves Analog output curve () sensors with adjustable differential for regulation between thresholds. Solid-state and analog outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. sensor operating curves ma - V ma - V PH PB, ma - V, Maximum differential Minimum differential Adjustable value / This document provided by Barr-Thorp Electric Co., Inc. --

58 Electronic pressure sensors XMLF pressure sensors Size: ( psi) Type switches with adjustable differential and relay output () Dual stage adjustable pressure switches with solid-state outputs () Adjustable range of switching point(s) (PH or PH and PH) (). (. psi) Catalog Numbers Fluid connection () / BSP female XMLFE XMLFD / NPT female XMLFE XMLFD SAE /-UNF female XMLFD Weight, g (oz) (.) (.) Additional specifications not shown under general speci cations (page / ) Possible differential Min. at low and high setting. (. psi) For each stage: (subtract from: Max. at high setting ( psi) min. at low and high setting:. (. psi) PH to get PB max. at high setting: ( psi) PH & PH to get PB & PB) Maximum permissible accidental pressure ( psi) Destructive pressure (, psi) Rated supply voltage V V Voltage limits V V Current consumption ma ma Output Relay Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity. A, AC-, C ( V /. A) ma Electrical connection SAE /-UN, -pin male connector. For suitable female pre-wired connectors, see page / M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / () switches with adjustable differential for regulation between thresholds. Relay output. () switches with adjustable stages and adjustable differential for each threshold. Solid-state outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. switch operating curves (Curve for each stage for dual stage pressure switches) switches with relay output Dual stage pressure switches PH PH PB PB PH PB,, Maximum differential Minimum differential Adjustable value Adjustable value This document provided by Barr-Thorp Electric Co., Inc. -- /

59 Electronic pressure sensors XMLF pressure sensors Size: ( psi) Type transmitters Universal sensors with adjustable differential. Solid-state and analog outputs () Adjustable range of switching point (PH) () ( psi) Analog output ma V ma V Catalog Numbers Fluid connection () / BSP female XMLFD XMLFD XMLFD XMLFD / NPT female XMLFD XMLFD XMLFD XMLFD SAE /-UNF female XMLFD Weight, g (oz) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from PH to give PB) Min. at low and high setting. (. psi) Max. at high setting. (. psi) Maximum permissible accidental pressure (, psi) Destructive pressure (, psi) Rated supply voltage V Voltage limits V Current consumption ma Output Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity ma Analog output ma or V, depending on the model. Maximum signal level adjustable between and ( and psi) Electrical connection M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / Curves Analog output curve () sensors with adjustable differential for regulation between thresholds. Solid-state and analog outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. sensor operating curves ma - V PH ma - V ma - V,, PB Maximum differential Minimum differential Adjustable value / This document provided by Barr-Thorp Electric Co., Inc. --

60 Electronic pressure sensors XMLF pressure sensors Size: ( psi) Type switches with adjustable differential and relay output () Dual stage adjustable pressure switches with solid-state outputs () Adjustable range of switching point(s) (PH or PH and PH) () Catalog Numbers Fluid connection () ( psi) / BSP female XMLFE XMLFD / NPT female XMLFE XMLFD SAE /-UNF female XMLFD Weight, g (oz) (.) (.) Additional specifications not shown under general speci cations (page / ) Possible differential Min. at low and high setting. (. psi) For each stage: (subtract from: Max. at high setting. (. psi) Min. at low and high setting:. (. psi) PH to get PB Max. at high setting:. (. psi) PH & PH to get PB & PB) Maximum permissible accidental pressure (, psi) Destructive pressure (, psi) Rated supply voltage V V Voltage limits V V Current consumption ma ma Output Relay Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity. A, AC-, C ( V /. A) ma Electrical connection SAE /-UN, -pin male connector. For suitable female pre-wired connectors, see page / M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / () switches with adjustable differential for regulation between thresholds. Relay output. () switches with adjustable stages and adjustable differential for each threshold. Solid-state outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. switch operating curves (Curve for each stage for dual stage pressure switches) switches with relay output Dual stage pressure switches PH PH PB PB PH PB,, Maximum differential Minimum differential Adjustable value Adjustable value This document provided by Barr-Thorp Electric Co., Inc. -- /

61 Electronic pressure sensors XMLF pressure sensors Size: ( psi) Type transmitters Universal sensors with adjustable differential. Solid-state and analog outputs () Adjustable range of switching point (PH) () ( psi) Analog output ma V ma V Catalog Numbers Fluid connection () / BSP female XMLFD XMLFD XMLFD XMLFD / NPT female XMLFD XMLFD XMLFD XMLFD SAE /-UNF female XMLFD XMLFD Weight, g (oz) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from PH to give PB) Min. at low and high setting ( psi) Max. at high setting ( psi) Maximum permissible accidental pressure (, psi) Destructive pressure (, psi) Rated supply voltage V Voltage limits V Current consumption ma Output Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity ma Analog output ma or V, depending on the model. Maximum signal level adjustable between and ( and psi) Electrical connection M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / Curves Analog output curve () sensors with adjustable differential for regulation between thresholds. Solid-state and analog outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. sensor operating curves ma - V PH ma - V PB ma - V Maximum differential Minimum differential Adjustable value / This document provided by Barr-Thorp Electric Co., Inc. --

62 Electronic pressure sensors XMLF pressure sensors Size: ( psi) Type switches with adjustable differential and relay output () Dual stage adjustable pressure switches with solid-state outputs () Adjustable range of switching point(s) (PH or PH and PH) () ( psi) Catalog Numbers Fluid connection () / BSP female XMLFE XMLFD / NPT female XMLFE XMLFD SAE /-UNF female XMLFD Weight, g (oz) (.) (.) Additional specifications not shown under general speci cations (page / ) Possible differential Min. at low and high setting ( psi) For each stage: (subtract from: Max. at high setting ( psi) min. at low and high setting: ( psi) PH to get PB max. at high setting: ( psi) PH & PH to get PB & PB) Maximum permissible accidental pressure (, psi) Destructive pressure (, psi) Rated supply voltage V V Voltage limits V V Current consumption ma ma Output Relay Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity. A, AC-, C ( V /. A) ma Electrical connection SAE /-UN, -pin male connector. For suitable female pre-wired connectors, see page / M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / () switches with adjustable differential for regulation between thresholds. Relay output. () switches with adjustable stages and adjustable differential for each threshold. Solid-state outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. switch operating curves (Curve for each stage for dual stage pressure switches) switches with relay output Dual stage pressure switches PH PH PB PB PH PB Maximum differential Minimum differential Adjustable value Adjustable value This document provided by Barr-Thorp Electric Co., Inc. -- /

63 Electronic pressure sensors XMLF pressure sensors Size: ( psi) Type transmitters Universal sensors with adjustable differential. Solid-state and analog outputs () Adjustable range of switching point (PH) () ( psi) Analog output ma V ma V Catalog Numbers Fluid connection () / BSP female XMLFD XMLFD XMLFD XMLFD / NPT female XMLFD XMLFD XMLFD XMLFD Weight, g (oz) (.) Additional specifications not shown under general speci cations (page / ) Possible differential (subtract from PH to give PB) Min. at low and high setting ( psi) Max. at high setting ( psi) Maximum permissible accidental pressure (, psi) Destructive pressure (, psi) Rated supply voltage V Voltage limits V Current consumption ma Output Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity ma Analog output ma or V, depending on the model. Maximum signal level adjustable between and ( and psi) Electrical connection M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / Curves Analog output curve () sensors with adjustable differential for regulation between thresholds. Solid-state and analog outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. sensor operating curves ma - V ma - V PH PB ma - V Maximum differential Minimum differential Adjustable value / This document provided by Barr-Thorp Electric Co., Inc. --

64 Electronic pressure sensors XMLF pressure sensors Size: ( psi) Type switches with adjustable differential and relay output () Dual stage adjustable pressure switches with solid-state outputs () Adjustable range of switching point(s) (PH or PH and PH) () ( psi) Catalog Numbers Fluid connection () / BSP female XMLFE XMLFD / NPT female XMLFE XMLFD Weight, g (oz) (.) (.) Additional specifications not shown under general speci cations (page / ) Possible differential Min. at low and high setting ( psi) For each stage: (subtract from: Max. at high setting ( psi) min. at low and high setting: ( psi) PH to get PB max. at high setting: ( psi) PH & PH to get PB & PB) Maximum permissible accidental pressure (, psi) Destructive pressure (, psi) Rated supply voltage V V Voltage limits V V Current consumption ma ma Output Relay Programmable, NPN or PNP, and NO or NC delay Adjustable time delay on trip and on reset from to s, in increments of s Switching capacity. A, AC-, C ( V /. A) ma Electrical connection SAE /-UN, -pin male connector. For suitable female pre-wired connectors, see page / M, -pin male connector. For suitable female connectors, including pre-wired versions, see page / () switches with adjustable differential for regulation between thresholds. Relay output. () switches with adjustable stages and adjustable differential for each threshold. Solid-state outputs. () Fluids controlled: hydraulic oils, fresh water, sea water, air, corrosive fl uids, from - to + C ( to F). Component materials of units in contact with the fl uid: see page /. switch operating curves (Curve for each stage for dual stage pressure switches) switches with relay output Dual stage pressure switches PH PH PB PB PH PB Maximum differential Minimum differential Adjustable value Adjustable value This document provided by Barr-Thorp Electric Co., Inc. -- /

65 Accessories and Replacement Parts Electronic pressure sensors XMLF pressure sensors For circuit controls XMLZL XMLZL XZCPL XZCPL XZCRC XMLZL XMLZL XZCPL XZCCFDMV XZCRC Catalog Numbers Replacement parts Description Catalog number Weight g (oz) Transparent cover with legends XMLZL (.) Sealing gasket All sizes (XMLF) XMLZL (.) Accessories Description Catalog number Weight g (oz) Fixing bracket XMLZL (.) Cooler for versions with / BSP fluid connection () Usage temperature: C ( F) max. for the uid, C ( F) for the ambient air Connectors Description Pre-wired M, straight, female connectors (Black PVR) Pre-wired M, straight, female connectors (Yellow PVC) Pre-wired M,, female connectors Pre-wired / UN, straight, female connectors M straight, female connector () M M jumper cables with straight male connector, for splitter box Length of cable m (ft) XMLZL (.) Catalog number Weight g (oz) (.) XZCPL (.) (.) XZCPL (.) (.) XZCPL (.) (.) XSZCDY (.) (.) XSZCDY (.) (.) XSZCDY (.) (.) XZCPL (.) (.) XZCPL (.) (.) XZCPL (.) (.) XZCPL (.) (.) XZCPL (.) (.) XZCPL (.) XZCCFDMV (.) Straight female connector (.) XZCRC (.) (.) XZCRC (.) female connector (.) XZCRC (.) (.) XZCRC (.) () Connector incorporating IDCs (insulation displacement connectors) for quick, direct, in-line connection to cable without a screwdriver or soldering iron. () Available with other fl uid connections (/ NPT and SAE /- UNF). Connections (pressure sensor connector pin view) XMLF D, F D XMLF D, F D XMLF D XMLF E Calibration shunt + Analog output Solid-state output + Analog output st stage solid-state output + nd stage solid-state output Relay output / This document provided by Barr-Thorp Electric Co., Inc. --

66 Dimensions and Wiring Electronic pressure sensors XMLF pressure sensors For circuit controls Dimensions, mm (in.) XMLZL XMLF D G/ G/ M x (.) (.) (.) (.) (.) XMLZL XMLZL () Female fl uid entry XMLF D : G / A (BSP) XMLF D : / NPT XMLF D : SAE /-UNF XMLF E (.) (.) (.) (.) (.). (.). (.) (.) Ø. (.). (.) (.) Ø. (.) (.). (.) (.) () (.) (.) (.) (.) (.) /" UN (.). (.) (.) (.) Ø (.) Ø (.) (.) (.) () () Female fl uid entry XMLF E : G / A (BSP) XMLF E : / NPT XMLF E : SAE /-UNF (.) (.) (.) (.) This document provided by Barr-Thorp Electric Co., Inc. -- /

67 ;;; Introduction Electronic pressure sensors XMLE pressure transmitters and pressure switches Introduction XMLE pressure switches and pressure transmitters are characterized by their ceramic pressure measuring cell. Threaded uid entry. Sealing gaskets. Measuring load cell (ceramic technology). Electronic card. Electrical connector. Adjustment potentiometer for switching point PH (rising pressure). Only applicable to pressure switches. Adjustment potentiometer for switching point PB (falling pressure). Only applicable to pressure switches. Operating principle switches XMLE incorporate a solid-state NPN or PNP NC output. Two potentiometers enable the setting of the PH (rising pressure) and PB (falling pressure) switching points. transmitters XMLE provide a ma analog output which is proportional to the measuring range. A digital display unit can be plugged in directly between the male and female DIN A connectors. Simple, unrestricted positioning of the display unit + sensor + connector is possible (can be rotated through ). The display can be adjusted to enable reading from any direction ( orientation both vertically and horizontally). / This document provided by Barr-Thorp Electric Co., Inc. --

68 Specifi cations Electronic pressure sensors XMLE pressure transmitters and pressure switches Specifications Conformity to standards!, EN, EN Product certifications UL, CSA Protective treatment Ambient air temperature Fluids or products controlled Component materials in contact with fluid Operating position Vibration resistance Shock resistance Electrical protection Standard version TC For operation: - to + C ( to F) Hydraulic oils, air, fresh water, sea water, corrosive uids from - to + C ( to F) Stainless steel uid entry type AISI, Viton gasket Ceramic pressure measuring cell All positions gn ( Hz) and gn ( Hz) gn Protected against reverse polarity, short-circuit, and overload Degree of protection IP conforming to IEC/EN Operating rate Response time Service life Hz < ms > million operating cycles Drift Precision Zero point: < ±.% of the measuring range/ C Sensitivity: < ± % of the measuring range/ C < ±.% of the measuring range Fluid connection / NPT (male) conforming to NF E -, ISO Electrical connection DIN A or M connector Interpretation of the Catalog Number XMLE XMLE U D Units without Rated pressure display, mm dia. Code psi M -. to to. to to. to to to to - to to to to to to to to Solid state, without scale Electrical connection C: DIN A D: M Q: Integrated quick connect NOTE: Use this table only to interpret the catalog number. Some combinations are not available. Output : Analog : Solid state, NPN : Solid state, PNP Fluid connection : G / A (BSP male) : /" NPT male : /" NPTF female : /- UNF male This document provided by Barr-Thorp Electric Co., Inc. -- /

69 Electronic pressure sensors XMLE pressure transmitters without display () Sizes to (. to. psi) Type With analog output, fluid connection / NPT male range to ( to -. psi) to ( to. psi) Electrical connector type DIN A M DIN A M Catalog Numbers Fluids controlled () Hydraulic oils, fresh water, sea water, air, corrosive uids, from - to + C ( to F) XMLEMUC XMLEMUD XMLEUC XMLEUD Weight, g (oz) (.) (.) (.) (.) Additional specifications not shown under general speci cations (page / ) Maximum permissible accidental pressure (. psi) ( psi) Destructive pressure ( psi) (. psi) Rated supply voltage V" Voltage limits V# Output Current consumption Electrical connection Output curves Is (ma) Analog, ma, -wire < ma XMLE$ $ $ UC% : DIN A, -pin male connector. For suitable female connector, see page /. XMLE$ $ $ UD% : M, -pin male connector. For suitable female pre-wired connector, see page /. () Optional digital display for sensor, see page /. () Component materials of units in contact with the fl uid: see page /. Is (ma) - -, -, -, -, P () Other versions,,,, P () For other uid connections (such as G / A BSP male or / NPTF female), refer to Interpretation of the Catalog Number on page /, or consult the Sensors Competency Center. / This document provided by Barr-Thorp Electric Co., Inc. --

70 With analog output, fluid connection / NPT male ( psi) (. psi) DIN A M DIN A M Catalog Numbers XMLEUC XMLEUD XMLEUC XMLEUD (.) (.) (.) (.) Additional specifications not shown under general speci cations (page / ) ( psi) ( psi) ( psi) (. psi) V" V# Analog, ma, -wire < ma XMLE$ $ $ UC: DIN A, -pin male connector. For suitable female connector, see page /. XMLE$ $ $ UD% : M, -pin male connector. For suitable female pre-wired connector, see page /. Output curves Is (ma) Is (ma) P () P () This document provided by Barr-Thorp Electric Co., Inc. -- /

71 Electronic pressure sensors XMLE pressure transmitters without display () Sizes to ( to psi) Type With analog output, fluid connection / NPT male range ( psi) ( psi) Electrical connector type DIN A M DIN A M Catalog Numbers Fluids controlled () Hydraulic oils, fresh water, sea water, air, corrosive uids, from - to + C ( to F) XMLEUC XMLEUD XMLEUC XMLEUD Weight, g (oz) (.) (.) (.) (.) Additional specifications not shown under general speci cations (page / ) Maximum permissible accidental pressure ( psi) ( psi) Destructive pressure ( psi) ( psi) Rated supply voltage V" Voltage limits V# Output Current consumption Electrical connection Output curves Is (ma) Analog, ma, -wire < ma XMLE$ $ $ UC% : DIN A, -pin male connector. For suitable female connector, see page /. XMLE$ $ $ UD% : M, -pin male connector. For suitable female pre-wired connector, see page /. () Optional digital display for sensor, see page /. () Component materials of units in contact with the fl uid: see page /. Is (ma) P () P () Other versions For other uid connections (such as G / A BSP male or / NPTF female), refer to Interpretation of the Catalog Number on page /, or consult the Sensors Competency Center. / This document provided by Barr-Thorp Electric Co., Inc. --

72 With analog output, fluid connection / NPT male ( psi) ( psi) DIN A M DIN A M Catalog Numbers XMLEUC XMLEUD XMLEUC XMLEUD (.) (.) (.) (.) Additional specifications not shown under general speci cations (page / ) ( psi) ( psi) ( psi) ( psi) V" V# Analog, ma, -wire < ma XMLE$ $ $ UC: DIN A, -pin male connector. For suitable female connector, see page /. XMLE$ $ $ UD% : M, -pin male connector. For suitable female pre-wired connector, see page /. Output curves Is (ma) Is (ma) P () P () This document provided by Barr-Thorp Electric Co., Inc. -- /

73 Selection and Type Electronic pressure sensors XMLE pressure transmitters without display () for regulation between thresholds Sizes - to (-. to. psi) With solid-state output, fluid connection / NPT male Adjustable range of switching point (PH) () (). to (-. to. psi). to (. to. psi) Electrical connector type DIN A M DIN A M Catalog Numbers Fluids controlled () Hydraulic oils, fresh water, sea water, air, corrosive uids, from - to + C ( to F) Type of output NPN XMLEMUC XMLEMUD XMLEUC XMLEUD PNP XMLEMUC XMLEMUD XMLEUC XMLEUD Weight, g (oz) (.) (.) (.) (.) Additional specifications not shown under general speci cations (page / ) $ $ $ $ Possible differential Min. at low setting. (. psi). (. psi) Min. at high setting. (. psi). (. psi) Max. at high setting. (. psi) (max. differential at low setting). (. psi) Maximum permissible accidental pressure (. psi) ( psi) Destructive pressure ( psi) (. psi) Rated supply voltage V" Voltage limits V# Output Solid-state, NPN or PNP, NC Switching capacity ma Current consumption < ma Electrical connection XMLE$ UC$ : DIN A, -pin male connector. For suitable female connector, see page /. XMLE$ UD$ : M, -pin male connector. For suitable female pre-wired connector, see page /.. () Optional digital display for pressure switch, see page /. () For vacuum switches (size - ): adjustable range of switching point (PB) on falling pressure. () Component materials of units in contact with the fl uid: see page /. Operating curves Other versions -, -, -, -, -, -, -, -, -, -,,,,, -, -,,, Maximum differential Minimum differential For other uid connections (such as G / A BSP male or / NPTF female), refer to Interpretation of the Catalog Number on page /, or consult the Sensors Competency Center.,,,, / This document provided by Barr-Thorp Electric Co., Inc. --

74 With solid-state output, fluid connection / NPT male. (. psi). (.. psi) DIN A M DIN A M Catalog Numbers XMLEUC XMLEUD XMLEUC XMLEUD XMLEUC XMLEUD XMLEUC XMLEUD (.) (.) (.) (.) Additional specifications not shown under general speci cations (page / ). (. psi). (. psi). (. psi). (. psi). (. psi). (. psi) ( psi) ( psi) ( psi) (. psi) V" V# Solid-state, NPN or PNP, NC ma < ma XMLE$ $ $ UC$ : DIN A, -pin male connector. For suitable female connector, see page /. XMLE$ $ $ UD$ : M, -pin male connector. For suitable female pre-wired connector, see page /. Operating curves,, Maximum differential Minimum differential,,,, This document provided by Barr-Thorp Electric Co., Inc. -- /

75 Selection and Type Electronic pressure sensors XMLE pressure transmitters without display () for regulation between thresholds Sizes to ( to psi) With solid-state output, fluid connection / NPT male Adjustable range of switching point (PH) (). (. psi) (. psi) Electrical connector type DIN A M DIN A M Catalog Numbers Fluids controlled () Hydraulic oils, fresh water, sea water, air, corrosive uids, from - to + C ( to F) Type of output NPN XMLEUC XMLEUD XMLEUC XMLEUD PNP XMLEUC XMLEUD XMLEUC XMLEUD Weight, g (oz) (.) (.) (.) (.) Additional specifications not shown under general speci cations (page / ) $ $ $ $ Possible differential Min. at low setting. (. psi) ( psi) Min. at high setting. (. psi) ( psi) Max. at high setting (. psi) (. psi) Maximum permissible accidental pressure ( psi) ( psi) Destructive pressure ( psi) ( psi) Rated supply voltage V" Voltage limits V# Output Solid-state, NPN or PNP, NC Switching capacity ma Current consumption < ma Electrical connection XMLE$ UC$ : DIN A, -pin male connector. For suitable female connector, see page /. XMLE$ UD$ : M, -pin male connector. For suitable female pre-wired connector, see page /. () Optional digital display for pressure switch, see page /. () Component materials of units in contact with the fl uid: see page /. Operating curves Other versions,, Maximum differential Minimum differential For other uid connections (such as G / A BSP male or / NPTF female), refer to Interpretation of the Catalog Number on page /, or consult the Sensors Competency Center. / This document provided by Barr-Thorp Electric Co., Inc. --

76 With solid-state output, fluid connection / NPT male. (. psi) ( psi) DIN A M DIN A M Catalog Numbers XMLEUC XMLEUD XMLEUC XMLEUD XMLEUC XMLEUD XMLEUC XMLEUD (.) (.) (.) (.) Additional specifications not shown under general speci cations (page / ) (. psi) ( psi) (. psi) ( psi). (. psi) ( psi) ( psi) ( psi) ( psi) ( psi) V" V# Solid-state, NPN or PNP, NC ma < ma XMLE$ $ $ UC$ : DIN A, -pin male connector. For suitable female connector, see page /. XMLE$ $ $ UD$ : M, -pin male connector. For suitable female pre-wired connector, see page /. Operating curves,, Maximum differential Minimum differential This document provided by Barr-Thorp Electric Co., Inc. -- /

77 Accessories Electronic pressure sensors XMLE pressure transmitters and pressure switches Accessories Description Digital displays for analog pressure sensors Sensor Catalog number Weight size g (oz) - to XMLEZM (.) to XMLEZ (.) to XMLEZ (.) to XMLEZ (.) XMLEZ& & & & to XMLEZ (.) to XMLEZ (.) XZCCFCPB Connection accessories Description to XMLEZ (.) to XMLEZ (.) Length of cable m (ft) Catalog number Weight g (oz) Female DIN A connector XZCCFCPB (.) DIN A, straight M male jumper cables for splitter boxes (.) XZCRK (.) XZCPL& Pre-wired M, straight, female connectors (Black PVR) (.) XZCRK (.) (.) XZCPL (.) (.) XZCPL (.) XZCPL& Pre-wired M, straight, female connectors (Yellow PVC) () (.) XZCPL (.) (.) XSZCDY (.) (.) XSZCDY (.) XZCPL& (.) XSZCDY (.) Pre-wired M,, female connectors (.) XZCPL (.) (.) XZCPL (.) (.) XZCPL (.) () Note that the yellow PVC cables have a gray wire attached to pin ground, whereas the black PVR cables have a yellow/green wire attached to pin ground. / This document provided by Barr-Thorp Electric Co., Inc. --

78 Dimensions and Wiring Electronic pressure sensors XMLE pressure transmitters and pressure switches Ø (.) Dimensions, mm (in.) XMLE$ $ $ UC, XMLUC Ø (.) (.) a (.) (.) XMLE$ $ $ UD Ø (.) Ø (.) (.) a (.) (.) XMLE a () XMLE a () M,,, (.) M,,, (.),, (.),, (.) Ø: / NPT male Ø: / NPT male Digital displays XMLEZ' ' ' (.) (.) (.) (.) a + (.) () For dimension a, see table above. Wiring Ø (.). (.) transmitters () Electronic pressure switches () XMLE' ' ' UC XMLE' ' ' UD% XMLE' ' ' UC XMLE' ' ' UD Ð + YG /BUÊ /BN Jumper cables, DIN A, straight M male Ð + XZCRDK% XMLE' ' ' UC XMLE' ' ' UD Ð + YG /BUÊ /WH /BNÊÊ Ð + ÊÊ Ð + YG /BUÊ /WH /BNÊÊ Ð + () sensor connector pin view () switch connector pin view This document provided by Barr-Thorp Electric Co., Inc. -- /

79 ( ( ( ( ( ( ( Introduction Electromechanical pressure and vacuum switches Introduction XMLA XMLB, C XMLD XML pressure and vacuum switches for control circuits are used to control the pressure of hydraulic oils, fresh water, sea water, air, steam, corrosive uids, or viscous products, up to psi ( ). ( XMLA pressure and vacuum switches have a xed differential and are for detection of a single threshold. They incorporate a C/O single-pole contact. XMLB pressure and vacuum switches have an adjustable differential and are for regulation between two thresholds. They incorporate a C/O single-pole contact. XMLC pressure and vacuum switches have an adjustable differential and are for regulation between two thresholds. They incorporate two C/O single-pole contacts. XMLD pressure and vacuum switches are dual-stage switches, each stage with a xed differential, and are for detection at each threshold. They incorporate two C/O single-pole contacts (one per stage). Setting XMLA: and vacuum switches with fixed differential ( Operating point PH is set by adjusting the red screw (). Operating point PB is not adjustable. The difference between the trip and reset points of the contact is the inherent differential of the switch (contact differential, friction, etc.). XMLB and XMLC: and vacuum switches with adjustable differential When setting the pressure and vacuum switches, rst adjust the operating point on rising pressure (PH), then the operating point on falling pressure (PB). ( Operating point PH is set by adjusting the red screw (). Operating point PB is set by adjusting the green screw (). XMLD: Dual-stage pressure and vacuum switches with fixed differential for each threshold Operating point on rising pressure of stage and stage First stage operating point on rising pressure (PH) is set by adjusting the red screw (). Second stage operating point on rising pressure (PH) is set by adjusting the blue screw (). Operating point on falling pressure The operating points on falling pressure (PB and PB) are not adjustable. The difference between the trip and reset points of each contact is the inherent differential of the switch (such as contact differential or friction). / This document provided by Barr-Thorp Electric Co., Inc. --

80 * +,,,, Introduction (continued) Electromechanical pressure and vacuum switches Environmental specifications Conformity to standards ), IEC/EN --, UL, CSA C- n Product certifications Protective treatment UL, CSA, CCC, BV, LROS, RINA, GL, DNV, VIT-SEPRO Standard version TC. Special version TH Ambient air temperature, F ( C) For operation: to + ( to +). Storage: to + ( to +) Fluids or products controlled Hydraulic oils, air, fresh water, sea water, F ( to C), depending on model Steam, corrosive uids, viscous products, F ( to C), depending on model Materials Case: zinc alloy. Component materials in contact with uid: see pages?? Operating position Vibration resistance Shock resistance All positions gn (... Hz) conforming to IEC -- except XML L, XML and XMLBM : gn gn conforming to IEC -- except XML L, XML and XMLBM : gn Electric shock protection Class I conforming to IEC, IEC and NF C - Degree of protection Operating rate (operating cycles/minute) Repeat accuracy < % Screw terminal models: IP conforming to IEC/EN Connector models: IP conforming to IEC/EN Piston version switches: up to cycles/minute for temperatures greater than F ( C) Diaphragm version switches: up to cycles/minute for temperatures greater than F ( C), G / (BSP female) conforming to NF E -, ISO connection () / NPTF female PT / (JIS B). Electrical Connection () for screw terminal models / NPT electrical connections ISO M x. tapped entry DIN Pg. (n ) tapped entry Connector models, either M or DIN A: consult the Sensor Competency Center. () See page /, Interpretation of the Catalog Number for XML Devices, for more information on specifying the electrical and pressure connections. Contact block specifications Rated operational specifications Rated insulation voltage AC-; B (Ue = V, Ie =. A - Ue = V, Ie = A) DC-; R (Ue = V, Ie =. A) conforming to IEC -- Appendix A, EN -- Ui = V conforming to IEC/EN - Ui = V conforming to UL, CSA C- n Rated impulse withstand voltage U imp = kv conforming to IEC/EN - Type of contacts Silver tipped contacts XMLA and XMLB: C/O single-pole contact ( terminal), snap action XMLC: C/O single-pole contacts ( terminal), simultaneous, snap action XMLD: C/O single-pole contacts ( terminal), staggered, snap action Resistance across terminals (mω) < conforming to NF C - method A or IEC - category Terminal referencing Conforming to CENELEC EN Short-circuit protection A cartridge fuse type gg (gl) Connection Screw clamp terminals. Clamping capacity, min: x. mm, max: x. mm Electrical durability Conforming to IEC/EN -- Appendix C Utilization categories AC- and DC- Operating rate: operating cycles/ hour Load factor:. XMLA and XMLB AC supply * / Hz Inductive circuit, lthe = A Millions of operating cycles.. V V Ithe V... Current in A DC supply + Power broken in W for million operating cycles XMLC and XMLD AC supply * / Hz Inductive circuit, lthe = A DC supply + Power broken in W for million operating cycles Voltage V Voltage V W Millions of operating cycles. V V / V Ithe. V. Current in A W This document provided by Barr-Thorp Electric Co., Inc. -- /

81 Introduction (continued) Electromechanical pressure and vacuum switches Fixed differential switches have a single adjustable setting point (either PH or PB). The differential between the high and low points (PH PB) depends on the construction of the switch. It is not adjustable. Adjustable differential switches have setting points for both the high point (PH) and the low point (PB). Both of these points can be independently adjusted. Function and vacuum switches control or regulate pressure or vacuum levels in hydraulic or pneumatic systems. They transform the pressure change into a digital electrical signal when the preset operating points are reached. Switches for control circuits Switches with control-duty rated electrical contacts, designed for control of contactors, relays, power valves, PLC inputs, etc. Switches for power circuits Switches with power electrical contacts (,, or pole) designed for direct switching of single-phase or three-phase motors (pumps, compressors, etc.). switch operating principle Fixed Differential: Detection of a Single Threshold Adjustable value --- Non adjustable value PH = High point (on rising pressure) PB = Low point (on falling pressure) Example: Contact schematics of XMLA Adjustable Differential: Regulation between Two Thresholds PH PB PH PB Fixed differential Adjustable spread Adjustable value PH = High point (on rising pressure) PB = Low point (on falling pressure) Example: Contact schematics of XMLB PH PB PH PB Dual-Stage: Detection of Two Thresholds Dual-stage switches allow two distinct levels of control to be monitored with one device. Each stage allows detection of a single threshold with a single setting point ( xed differential). Both these points can be independently adjusted. However, for both stages, the differential between the high point and the low point (PH PB and PH PB) is xed and depends on the construction of the switch. Fixed differential Fixed differential Adjustable differential Adjustable value --- Non adjustable value PH = High point (on rising pressure) PB = Low point (on falling pressure) Example: Contact schematics of XMLD Fixed differential Adjustable differential PH PH PB / This document provided by Barr-Thorp Electric Co., Inc. --

82 Introduction (continued) Electromechanical pressure and vacuum switches Vacuum switch operating principle Detection of a single threshold The switches for detection of a single threshold ( xed differential) have a single adjustable setting point (PH). The differential between the high and low points (PH PB) depends on the inherent characteristics of the switch. It is not adjustable. Vacuum Adjustable value --- Non adjustable value Example: Contact schematics of XMLA PH PH = High point Fixed differential PB = Low point PB Regulation between two thresholds The switches for regulation between two thresholds (adjustable differential) have both a high point setting (PH) and a low point setting (PB). Both of these points can be independently adjusted. Example: Contact schematics of XMLB PH Adjustable spread Adjustable value PH = High point PB = Low point PB Vacuum PH PB PH PB Vacuum Detection of two thresholds The dual-stage switches, for detection at each threshold, have an adjustable high point setting for each stage (PH and PH). Both of these points can be independently adjusted. For both stages, the differential between the high point and the low point (PH PB and PH PB) depends on the inherent characteristics of the switch. It is not adjustable. Fixed differential Fixed differential Adjustable differential Adjustable value --- Non adjustable value PH = High point PB = Low point Maximum allowable accidental pressure Example: Contact schematics of XMLD The maximum accidental pressure of XML switches is equal to at least. times the switch size. If accidental overpressures occur and their duration is less than milliseconds, the pressure damping device incorporated in the XML switches (sizes and greater) reduces the effect. This document provided by Barr-Thorp Electric Co., Inc. -- /

83 Introduction (continued) Electromechanical pressure and vacuum switches Application range of pressure and vacuum switches types XML, XMA and XMX, for control circuits On standard loads: Continuous duty, frequent switching. Insulation voltage limit V () () Inductive loads Heating limit (lth) () () I ma ma ma ma ma A. A A A A A () Standard PLC input, type switches Application range () Standard PLC input, type () Switching capacity conforming to IEC --, utilization category AC-, DC- B V. A R V. A () Switching capacity conforming to IEC --, utilization category AC-, DC- B V A R V. A PLC: Programmable Logic Controller XMLA, XMLB, XMLC, XMLD XMLE, XMLF, XMLG On small loads: The use of electromechanical pressure and vacuum switches with programmable logic controllers is becoming more prevalent. On small loads, the switches maintain a failure rate of less than for million operating cycles. Results may vary depending on application. / This document provided by Barr-Thorp Electric Co., Inc. --

84 - - - * Introduction (continued) Electromechanical pressure and vacuum switches Selecting the switch size After establishing the type of switch required for the application (single threshold detection or regulation between two thresholds), the selection of its size depends on the following criteria: the differential: difference between the high point (PH) and the low point (PB), the maximum pressure allowable per cycle, repeat accuracy, precision and minimum drift. Selecting a fixed differential pressure switch for detecting a single threshold Main criterion: minimum differential Example: for a selected high point (PH) of, XMLA Differential =. Select an XMLA (the lowest size) XMLA Differential = Main criterion: tolerance to overpressures Example: for a selected high point (PH) of,, XMLA Differential = XMLA Allowable accidental overpressure = Select an XMLA (the highest size) XMLA Allowable accidental overpressure = Main criterion: repeat accuracy, precision and minimum drift Example: for a selected high point (PH) of XMLA Adjustable from,, XMLA Adjustable from. As a general rule, avoid working at the upper or lower limits of the operating range. Converting Units of Select an XMLA * * psi kg/cm atm mm Hg (Torr) mm H O Pa psi =..... kg/cm =.... =.... atm =.... mm Hg = (Torr).. x -. x -. x -.. mm H O=. x Pa =. x -. x - -. x -. x -. Example: =. psi = Pa This document provided by Barr-Thorp Electric Co., Inc. -- /

85 Introduction (continued) Electromechanical pressure and vacuum switches Operating Curves: Fixed Differential, Detecting a Single Threshold Adjustment range of the high point Operating point on rising pressure (PH) + + Maxi Mini PH Adjustment range of high point (PH) Low point (PB) range De ned by the difference between the minimum and maximum high point (PH) setting values. For a high set point (PH), the lower point (PB) is xed and cannot be adjusted. For a low set point (PB), the higher point (PH) is xed and cannot be adjusted. The upper pressure setting at which the pressure or vacuum switch actuates the contacts on rising pressure. Adjustable throughout the range on rising pressure. Operating point on falling pressure (PB) + PH The pressure at which the switch contact changes state on falling pressure. The lower point (PB) is not adjustable and is entirely dependent on the high point setting (PH) and the inherent differential of the switch. PB Differential + PH PH PB PB PB PH PB = inherent differential The difference between the operating point on rising pressure (PH) and the operating point on falling pressure (PB). This point is not adjustable, so the value of the differential is xed. It is the inherent differential of the switch (contact differential, friction, etc.). Example PH PB Operating point on rising pressure (PH) is (set value at which the contact changes state on rising pressure). The operating point on falling pressure (PB) is ( xed value at which the contact returns to its original state). Conclusion: the differential is =. PB / This document provided by Barr-Thorp Electric Co., Inc. --

86 Introduction (continued) Electromechanical pressure and vacuum switches Operating Curves: Adjustable Differential, Regulating between Two Thresholds Adjustment range of the high point + Maxi Mini Adjustment range of high point (PH) De ned by the difference between the minimum and maximum high point (PH) setting values. Operating point on rising pressure (PH) + PH Low point (PB) range Falling pressure The upper pressure setting at which the pressure or vacuum switch actuates the contacts on rising pressure. Adjustable throughout the range on rising pressure. Operating point on falling pressure (PB) + PH The pressure at which the switch contact changes state on falling pressure. The adjustable differential enables the independent setting of the lower point (PB). Differential + PB" PB' PH PB" PB' PH PB" PH PB' PB' PB" Low point < High point PH PB = inherent differential PH PB = minimum differential The difference between the operating point on rising pressure (PH) and the operating point on falling pressure (PB). Note: the low point can be set at any value between PB and PB. Example Maximum differential Minimum differential PB' PH PB' PB" PB" Operating point on rising pressure (PH) is (set value at which the contact changes state on rising pressure). The operating point on falling pressure (PB) ranges from and (set value at which the contact returns to its original state). Conclusion: the maximum differential is =, the minimum differential is =. This document provided by Barr-Thorp Electric Co., Inc. -- /

87 Introduction (continued) Electromechanical pressure and vacuum switches Operating Curves: Dual-Stage, Fixed Differential, Detection at Each Threshold (switching on rising pressure) Adjustment ranges of the operating points PH and PH on rising pressure + Adjustment range of high point (PH) De ned by the difference between the minimum and maximum high point setting values of each stage (PH and PH). Operating point PH on rising pressure + PH Adjustment range of high point PH Rising pressure The upper pressure setting at which the pressure or vacuum switch actuates contact on rising pressure. Adjustable throughout the range on rising pressure. Operating point PH on rising pressure + PH The upper pressure setting at which the pressure or vacuum switch actuates contact on rising pressure. Spread + PH" PH' PH PH" PH PH" PH PH' PH' PH" PH < PH PH PH = maximum spread PH PH = minimum spread The difference between operating points PH and PH on rising pressure. Note: operating point PH can be set at any value between PH and PH. PH' Example: Determining operating points on rising pressure for the two stages Maximum spread Minimum spread PH' PH, PH' PH" PH" Second stage operating point on rising pressure (PH) = (set value at which contact changes state on rising pressure). First stage operating point (PH) can be set between. and on rising pressure. Conclusion: the maximum spread is:. =., the minimum spread is: =. / This document provided by Barr-Thorp Electric Co., Inc. --

88 Introduction (continued) Electromechanical pressure and vacuum switches Operating Curves: Dual-Stage, Fixed Differential, Detection at Each Threshold (switching on rising pressure) Adjustment range of high point (PH or PH) Operating point on rising pressure (PH or PH) + + Maxi Mini PH Adjustment range of high point Low point (PB) range De ned by the difference between the minimum and maximum high point (PH or PH) setting values for each stage. For a high set point (PH or PH), the lower point (PB or PB) is xed and cannot be adjusted. For a low set point (PB or PB), the higher point (PH or PH) is xed and cannot be adjusted. The upper pressure setting at which the pressure or vacuum switch actuates the contact, for each stage, on rising pressure. Adjustable throughout the range on rising pressure. Operating point on falling pressure (PB or PB) + PH The pressure at which the switch contact changes state, for each stage, on falling pressure. The lower point (PB) is not adjustable and is entirely dependent on the high point setting (PH) and the inherent differential of the switch. Differential + PB PH PH PB PB PB PH PB = inherent differential The difference between the operating point on rising pressure (PH) and the operating point on falling pressure (PB), for each stage. This point is not adjustable, so the value of the differential is xed. It is the inherent differential of the switch (contact differential, friction, etc.) for each of its two stages. Example: stage = segment EF stage = segment GH Maximum spread Minimum spread PH G E PB PB H F For stage (segment GH): Operating point on rising pressure (PH) is (set value at which contact changes state on rising pressure). The operating point on falling pressure (PB) is ( xed value at which contact returns to its original state). Conclusion: for stage, the differential is: =. Repeat the same procedure for stage (segment EF). This document provided by Barr-Thorp Electric Co., Inc. -- /

89 Introduction (continued) Electromechanical pressure and vacuum switches Interpretation of the Catalog Number for XML Devices Interpreting the Catalog Number (Example: XMLAAS) Designation Nautilus Switch Nonadjustable differential, single pole Adjustable differential, single pole Type Adjustable differential, double pole Nonadjustable differential, double pole Operating range (psi) Input fluid Display XML A A S Catalog Number to. ( to.) L to. ( to.) L to. ( to.) Overpressure. (.) S to. (. to.) M to. (. to.) M. to. (. to.) M. to (. to.) M to ( to.) to. ( to.) to. ( to.) Overpressure. (.) S to ( to ) to ( to ) Overpressure. (.) S to ( to ) to ( to ) Overpressure. (.) S to ( to ) to ( to ) Overpressure. (.) S to ( to.) to ( to ) to ( to ) to ( to ) to ( to ) to ( to ) Diaphragm type Hydraulic oils, air, fresh, or sea water, F ( C) A Hydraulic oils, air, fresh, or sea water, F ( C) B Corrosive uid C Viscous products P Hydraulic oils or air, F ( C) R Fresh or sea water, F ( C) S Vacuum type with diaphragm Hydraulic oils, air, fresh or sea water, F ( C) V Hydraulic oils, air, fresh or sea water, F ( C) T Piston type Hydraulic oils or air, F ( C) D Fresh or sea water, F ( C) E Corrosive uid, F ( C) N Not provided Provided Threaded hole DIN connector M threaded connector (Micro Change type) S Electrical C Connection D Contact type Dry contact European G / (BSP female) Electrical Type (Pg.) G / (BSP female) Electrical ISO M Entry type U.S.A. / in. NPTF Electrical / in. NPT Japan PT / (JIS B) Electrical / in. PF (JIS B) Options May indicate factory setting XML A B C D / This document provided by Barr-Thorp Electric Co., Inc. --

90 Specifi cations Electromechanical pressure and vacuum switches Size: (. psi) Fixed differential, for detection of a single threshold Switches with C/O single-pole contact connection / NPT or / BSP XMLA Vacuum Switches With setting scale Without setting scale Adjustable Range of Operating Point (PB) (). to (. to. psi) Electrical Connection Terminals DIN connector Terminals DIN connector Catalog Numbers () Fluids Controlled For materials in contact with uid, see page /. Hydraulic oils, fresh water, sea water, air, up to F ( C) Hydraulic oils, fresh water, sea water, air, corrosive uids, up to F ( C) XMLAMVS XMLAMVC XMLAMVS XMLAMVC XMLAMTS XMLAMTC XMLAMTS XMLAMTC Weight, lb (kg). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (add to PB to get PH) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models. (. psi), ±. (±. psi). (. psi), ±. (±. psi) (. psi) (. psi) ( psi) / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Vacuum Switch Style Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLAMVS becomes XMLAMVS). Operating Curves Connection PH PB Vacuum Adjustable value --- Non adjustable value Terminal model Connector model Vacuum switch connector pin view and Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. This document provided by Barr-Thorp Electric Co., Inc. -- /

91 Electromechanical pressure and vacuum switches Size: (. psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contact connection / NPT or / BSP Vacuum switches type XMLB With setting scale Without setting scale Adjustable Range of Operating Point (PB) (). to (. to. psi) Electrical Connection Terminals DIN connector Terminals DIN connector Catalog Numbers () Fluids Controlled For materials in contact with uid, see page /. Hydraulic oils, fresh water, sea water, air, up to F ( C) Hydraulic oils, fresh water, sea water, air, corrosive uids, up to F ( C) XMLBMVS XMLBMVC XMLBMVS XMLBMVC XMLBMTS XMLBMTC XMLBMTS XMLBMTC Weight, lb (kg). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (add to PB to get PH) Maximum Allowable Destruction Min. at low setting Min. at high setting Max. at high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models. (. psi), ±. (±. psi). (. psi), ±. (±. psi). (. psi) (. psi) (. psi) ( psi) / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Vacuum Switch Style Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLBMVS becomes XMLBMVS). Operating Curves Connection Other Versions Maximum differential Minimum differential Adjustable value PH PB Vacuum For switches with alternative tapped cable entries, consult the Sensor Competency Center. Terminal model Connector model Vacuum switch connector pin view and / This document provided by Barr-Thorp Electric Co., Inc. --

92 Electromechanical pressure and vacuum switches Size: (. psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contacts connection / NPT or / BSP Vacuum switches type XMLC With setting scale Adjustable Range of Operating Point (PB) () Electrical Connection Catalog Numbers () Fluids Controlled For materials in contact with uid, see page /. Hydraulic oils, fresh water, sea water, air, up to F ( C) Hydraulic oils, fresh water, sea water, air, corrosive uids, up to F ( C). to (. to. psi) Terminals XMLCMVS XMLCMTS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (add to PB to get PH) Maximum Allowable Destruction Min. at low setting Min. at high setting Max. at high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Vacuum Switch Style. (. psi), ±. (±. psi).. (. psi), ±. (±. psi).. (. psi) (. psi) (. psi) ( psi) / NPT, x. mm² minimum, x. mm² maximum. Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLCMVS becomes XMLCMVS). Operating Curves Connection Other Versions Maximum differential Minimum differential Adjustable value PH PB Vacuum For switches with alternative tapped cable entries, consult the Sensor Competency Center. Terminal model This document provided by Barr-Thorp Electric Co., Inc. -- /

93 Electromechanical pressure and vacuum switches Size: (. psi) Dual-stage, fixed differential, for detection at each threshold Switches with C/O single-pole contacts (one per stage) connection / NPT or / BSP Vacuum switches type XMLD Without setting scale Adjustable Range of Operating Points () Spread between the Two Stages (PB PB) Electrical Connection Catalog Numbers () Fluids Controlled For materials in contact with uid, see page /. nd stage operating point (PB) st stage operating point (PB) Hydraulic oils, fresh water, sea water, air, up to F ( C) Hydraulic oils, fresh water, sea water, air, corrosive uids, up to F ( C). to (. to. psi). to. (. to. psi). to. (. to. psi) Terminals XMLDMVS XMLDMTS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (add to PB/PB to get PH/PH) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Vacuum Switch Style. (. psi), ±. (±. psi). (. psi), ±. (±. psi) (. psi) (. psi) ( psi) / NPT, x. mm² minimum, x. mm² maximum. Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLDMVS becomes XMLDMVS). Operating Curves High setting trip points of contacts and Inherent Differential of contacts and PH setting (falling pressure) Connection: Terminal model PH setting (falling pressure) Maximum differential Minimum differential Contact (stage ) Contact (stage ) EF Contact (stage ) GH Contact (stage ) - -. F H E -. G PH PB PH PB Vacuum Adjustable value --- Non adjustable value Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. / This document provided by Barr-Thorp Electric Co., Inc. --

94 Electromechanical pressure and vacuum switches Size: m (. psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contact connection / NPT or / BSP Vacuum switches type XMLB With setting scale Adjustable Range of Operating Point (PB) () Electrical Connection Catalog Numbers () Fluids Controlled For materials in contact with uid, see page /. Hydraulic oils, air, up to F ( C) Fresh water, sea water, corrosive uids, up to F ( C) to m (. to. psi) Terminals XMLBMRS XMLBMSS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (add to PB to get PH) Maximum Allowable Destruction Min. at low setting Min. at high setting Max. at high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Vacuum Switch Style m (. psi), ± m (±. psi) m (. psi), ± m (±. psi) m (. psi) (. psi) ( psi). (. psi) / NPT, x. mm² minimum, x. mm² maximum. Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLBMRS becomes XMLBMRS). Operating Curves Connection m Other Versions m Maximum differential Minimum differential PH PB Vacuum Adjustable value For switches with alternative tapped cable entries, consult the Sensor Competency Center. Terminal model This document provided by Barr-Thorp Electric Co., Inc. -- /

95 Electromechanical pressure and vacuum switches Size m (. psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLB With setting scale Without setting scale Adjustable Range of Operating Point (PH) () Electrical Connection Catalog Numbers () Fluids Controlled For materials in contact with uid, see page /. Hydraulic oils, air, up to F ( C) Fresh water, sea water, corrosive uids, up to F ( C). m (.. psi) Terminals XMLBLRS XMLBLSS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Min. at low setting Possible Differential Min. at high setting (subtract from PH to get PB) Max. at high setting Maximum Allowable Destruction Per cycle Accidental Cable Entry and Wire Size for Terminal Models Switch Style XMLBLRS XMLBLSS. m (. psi),. m, +. m (. psi, +. psi). m (. psi), ±. m, (±. psi) m (. psi). m (. psi). m (. psi) m (. psi) / NPT, x. mm² minimum, x. mm² maximum. Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLBLRS becomes XMLBLRS). Operating Curves Connection: Terminal model m,, Other Versions m Maximum differential Minimum differential PH PB Adjustable value For switches with DIN A connector or alternative tapped cable entries, consult the Sensor Competency Center. / This document provided by Barr-Thorp Electric Co., Inc. --

96 Electromechanical pressure and vacuum switches Size (. psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contact connection / NPT or / BSP Vacu- Switches, Type XMLB With setting scale Without setting scale Adjustable Range of Operating Point (PH) (). to (. to. psi) Electrical Connection Terminals DIN connector Terminals DIN connector Catalog Numbers () Fluids Controlled For materials in contact with uid, see page /. Hydraulic oils, fresh water, sea water, air, up to F ( C) Hydraulic oils, fresh water, sea water, air, up to F ( C) XMLBMAS XMLBMAC XMLBMAS XMLBMAC XMLBMBS XMLBMBC XMLBMBS XMLBMBC Corrosive uids, up to F ( C) XMLBMCS XMLBMCC XMLBMCS XMLBMCC Viscous products, up to F ( C) (G¼ pressure connection) XMLBMPS XMLBMPC XMLBMPS XMLBMPC Weight, lb (kg). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Destruction Min. at low setting Min. at high setting Max. at high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models. (. psi), ±. (±. psi). (. psi), ±. (±. psi) ( psi). (. psi). (. psi) (. psi) / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Vacu- Switch Style Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLBMAS becomes XMLBMAS). Operating Curves Connection, -, - -, Maximum differential Minimum differential Adjustable value PH PB PH PB PH PB Vacuum Terminal model Connector model Vacu-pressure switch pin view and Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. This document provided by Barr-Thorp Electric Co., Inc. -- /

97 Electromechanical pressure and vacuum switches Size (. psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contacts connection / NPT or / BSP Vacu-pressure Switches, Type XMLC With setting scale Adjustable Range of Operating Point (PH) () Electrical Connection Catalog Numbers () Fluids Controlled For materials in contact with uid, see page /. Hydraulic oils, fresh water, sea water, air, up to F ( C) Hydraulic oils, fresh water, sea water, air, up to F ( C) Corrosive uids, up to F ( C). to (. to. psi) Terminals XMLCMAS XMLCMBS XMLCMCS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Destruction Min. at low setting Min. at high setting Max. at high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Vacu- Switch Style. (. psi), ±. (±. psi). (. psi), ±. (±. psi) ( psi). (. psi). (. psi) (. psi) / NPT, x. mm² minimum, x. mm² maximum. Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLCMAS becomes XMLCMAS). Operating Curves Connection Other Versions. Maximum differential Minimum differential Adjustable value PH PB PH PB PH PB Vacuum For switches with alternative tapped cable entries, consult the Sensor Competency Center. Terminal model Connector model Vacu-pressure switch pin view and / This document provided by Barr-Thorp Electric Co., Inc. --

98 Electromechanical pressure and vacuum switches Size m (. psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLB With setting scale With setting scale ( psi) overpressure Adjustable Range of Operating Point (PH) () m (.. psi) m (.. psi) Electrical Connection Terminals DIN connector Terminals Catalog Numbers () Fluids Controlled For materials in contact with uid, see page /. Hydraulic oils, air, up to F ( C) Fresh water, sea water, corrosive uids, up to F ( C) Viscous products, up to F ( C) (G¼ pressure connection) XMLBLRS XMLBLRC XMLBSRS XMLBLSS XMLBLSC XMLBLPS XMLBLPC Weight, lb (kg). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Min. at low setting m (. psi), m, + m (. psi, +. psi) m (. psi), m, + m (. psi, +. psi) Min. at high setting m (. psi), ± m (±. psi) m (. psi), ± m (±. psi) Max. at high setting m (. psi) m (. psi) Per cycle. (. psi) ( psi) Accidental. (. psi). (. psi) Destruction. (. psi). (. psi) Cable Entry and Wire Size for Terminal Models / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLBLRS becomes XMLBLRS). Operating Curves Connection m PH PB Terminal model Connector model switch connector pin view m Other Versions Adjustable value Maximum differential Minimum differential For switches with alternative tapped cable entries, consult the Sensor Competency Center. and This document provided by Barr-Thorp Electric Co., Inc. -- /

99 Electromechanical pressure and vacuum switches Size m (. psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLB Without setting scale Adjustable Range of Operating Point (PH) () m (.. psi) Electrical Connection Terminals DIN connector Catalog Numbers () Fluids Controlled For materials in contact with uid, see page /. Hydraulic oils, air, up to F ( C) Fresh water, sea water, corrosive uids, up to F ( C) Viscous products, up to F ( C) (G¼ pressure connection) XMLBLRS XMLBLSS XMLBLPS XMLBLRC XMLBLSC XMLBLPC Weight, lb (kg). (.). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Destruction Min. at low setting Min. at high setting Max. at high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models m (. psi), m, + m (. psi, +. psi) m (. psi), ± m (±. psi) m (. psi). (. psi). (. psi). (. psi) / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLBLRS becomes XMLBLRS). Operating Curves Connection m Other Versions m Maximum differential Minimum differential PH PB Adjustable value For switches with alternative tapped cable entries, consult the Sensor Competency Center. Terminal model Connector model switch connector pin view and / This document provided by Barr-Thorp Electric Co., Inc. --

100 Electromechanical pressure and vacuum switches Size m (. psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contacts connection / NPT or / BSP Switches, Type XMLC With setting scale With setting scale ( psi) overpressure Adjustable Range of Operating Point (PH) () Electrical Connection Catalog Numbers () Fluids Controlled For materials in contact with uid, see page /. Hydraulic oils, air, up to F ( C) Fresh water, sea water, corrosive uids, up to F ( C) m (.. psi) m (.. psi) Terminals XMLCLRS XMLCLSS XMLCSRS Weight, lb (kg). (.). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Min. at low setting m (. psi), ± m (±. psi) m (. psi), ± m (±. psi) Min. at high setting m (. psi), ± m (±. psi) m (. psi), ± m (±. psi) Max. at high setting m (. psi) m (. psi) Per cycle. (. psi) ( psi) Accidental. (. psi). (. psi) Destruction. (. psi). (. psi) Cable Entry and Wire Size for Terminal Models Switch Style / NPT, x. mm² minimum, x. mm² maximum. Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLCLRS becomes XMLCLRS). Operating Curves Connection m Other Versions m Maximum differential Minimum differential PH PB Adjustable value For switches with alternative tapped cable entries, consult the Sensor Competency Center. Terminal model This document provided by Barr-Thorp Electric Co., Inc. -- /

101 Electromechanical pressure and vacuum switches Size m (. psi) Dual-stage, fixed differential, for detection at each threshold Switches with C/O single-pole contacts (one per stage) connection / NPT or / BSP Switches, Type XMLD Without setting scale Adjustable Range of Each Operating Point () nd stage operating point (PH) st stage operating point (PH) Spread between the Two Stages (PH PH) Electrical Connection Catalog Numbers () Fluids Controlled For materials in contact with uid, see page /. Hydraulic oils, air, up to F ( C) Fresh water, sea water, corrosive uids, up to F ( C) m (.. psi) m (.. psi) m (.. psi) Terminals XMLDLRS XMLDLSS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH/PH to get PB/PB) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Switch Style m (. psi), ± m (±. psi) m (. psi), ± m (±. psi). (. psi). (. psi). (. psi) / NPT, x. mm² minimum, x. mm² maximum. Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLDLRS becomes XMLDLRS). Operating Curves High setting trip points of contacts and Inherent differential of contacts and PH setting (falling pressure) m m PH setting (falling pressure) Maximum differential Minimum differential m G E m EF Contact (stage ) GH Contact (stage ) F H PH PB PH PB Adjustable value --- Non adjustable value Connection Terminal model Contact (stage ) Contact (stage ) Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. / This document provided by Barr-Thorp Electric Co., Inc. --

102 Electromechanical pressure and vacuum switches Size (. psi) Fixed differential, for detection of a single threshold Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLA With setting scale Without setting scale Adjustable Range of Operating Point (PH) (). (.. psi) Electrical Connection Terminals DIN connector Terminals DIN connector Catalog Numbers () Fluids Controlled For materials in contact with uid, see page /. Hydraulic oils, air, up to F ( C) Fresh water, sea water, corrosive uids, up to F ( C) XMLARS XMLARC XMLARS XMLARC XMLASS XMLASC XMLASS XMLASC Weight, lb (kg). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential At low setting (subtract from PH to get PB) At high setting Maximum Allowable Destruction Per cycle Accidental Cable Entry and Wire Size for Terminal Models. (. psi), ±. (±. psi). (. psi), ±. (±. psi). (. psi). (. psi). (. psi) / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLARS becomes XMLARS). Operating Curves Connection, PH PB Terminal model, Connector model switch connector pin view,,,,, Other Versions,,,, Adjustable value --- Non adjustable value For switches with alternative tapped cable entries, consult the Sensor Competency Center. and This document provided by Barr-Thorp Electric Co., Inc. -- /

103 Electromechanical pressure and vacuum switches Size (. psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLB With setting scale Without setting scale Adjustable Range of Operating Point (PH) (). (.. psi) Electrical Connection Terminals DIN connector Terminals DIN connector Catalog Numbers () Fluids Controlled () Hydraulic oils, air, up to F ( C) Fresh water, sea water, corrosive uids, up to F ( C) Viscous products, up to F ( C) (G¼ pressure connection) XMLBRS XMLBRC XMLBRS XMLBRC XMLBSS XMLBSC XMLBSS XMLBSC XMLBPS XMLBPC XMLBPS XMLBPC Weight, lb (kg). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Destruction Min. at low setting Min. at high setting Max. at high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models. (. psi), ± m (±. psi). (. psi), ± m (±. psi). (. psi). (. psi). (. psi). (. psi) / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLBRS becomes XMLBRS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection Other Versions..... Maximum differential Minimum differential Adjustable value PH PB For switches with alternative tapped cable entries, consult the Sensor Competency Center. Terminal model Connector model switch connector pin view and / This document provided by Barr-Thorp Electric Co., Inc. --

104 Electromechanical pressure and vacuum switches Size (. psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contacts connection / NPT or / BSP Switches, Type XMLC With setting scale Adjustable Range of Operating Point (PH) () Electrical Connection Catalog Numbers () Fluids Controlled () Hydraulic oils, air, up to F ( C) Fresh water, sea water, corrosive uids, up to F ( C). (.. psi) Terminals XMLCRS XMLCSS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Destruction Min. at low setting Min. at high setting Max. at high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Switch Style. (. psi), ±. (±. psi). (. psi), ±. (±. psi). (. psi). (. psi). (. psi). (. psi) / NPT, x. mm² minimum, x. mm² maximum. Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLCRS becomes XMLCRS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection... Maximum differential Minimum differential Adjustable value PH PB Terminal model... Other Versions.... For switches with alternative tapped cable entries, consult the Sensor Competency Center. This document provided by Barr-Thorp Electric Co., Inc. -- /

105 Electromechanical pressure and vacuum switches Size (. psi) Dual-stage, fixed differential, for detection at each threshold Switches with C/O single-pole contacts (one per stage) connection / NPT or / BSP Switches, Type XMLD Without setting scale Adjustable Range of Each Operating Point () nd stage operating point (PH) st stage operating point (PH) Spread between the Two Stages (PH PH) Electrical Connection Catalog Numbers () Fluids Controlled () Hydraulic oils, air, up to F ( C) Fresh water, sea water, corrosive uids, up to F ( C). (.. psi).. (.. psi).. (.. psi) Terminals XMLDRS XMLDSS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH/PH to get PB/PB) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Switch Style. (. psi), ±. (±. psi). (. psi), ±. (±. psi). (. psi). (. psi). (. psi) / NPT, x. mm² minimum, x. mm² maximum. Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLDRS becomes XMLDRS). () Component materials of units in contact with the uid, see page /. Operating Curves High setting trip points of contacts and Inherent differential of contacts and PH setting (rising pressure) Maximum differential Minimum differential Other Versions..... PH setting (rising pressure) G. E... EF Contact (stage ) GH Contact (stage ).. For switches with alternative tapped cable entries, consult the Sensor Competency Center... F H PH PB PH PB Adjustable value --- Non adjustable value Connection: Terminal model Contact (stage ) Contact (stage ) / This document provided by Barr-Thorp Electric Co., Inc. --

106 Electromechanical pressure and vacuum switches Size. (. psi) Fixed differential, for detection of a single threshold Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLA With setting scale Without setting scale Adjustable Range of Operating Point (PH) ().. (.. psi) Electrical Connection Terminals DIN connector Terminals DIN connector Catalog Numbers () Fluids Controlled () Hydraulic oils, fresh water, sea water, air, up to F ( C) Hydraulic oils, fresh water, sea water, air, up to F ( C) Corrosive uids, up to F ( C) XMLAAS XMLAAC XMLAAS XMLAAC XMLABS XMLABC XMLABS XMLABC XMLACS XMLACC XMLACS XMLACC Weight, lb (kg). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH to get PB) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models. (. psi), ±. (±. psi). (. psi), ±. (±. psi) (. psi) (. psi) ( psi) / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLAAS becomes XMLAAS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection. PH PB Terminal Model Connector model.. Other Versions. Adjustable value --- Non adjustable value switch connector pin view For switches with alternative tapped cable entries, consult the Sensor Competency Center. and This document provided by Barr-Thorp Electric Co., Inc. -- /

107 Electromechanical pressure and vacuum switches Size. (. psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLB With setting scale Without setting scale With setting scale ( psi) overpressure Adjustable Range of Operating Point (PH) ().. (.. psi) Electrical Connection Terminals DIN connector Terminals DIN connector Terminals Catalog Numbers () Fluids Controlled () Hydraulic oils, fresh water, sea water, air, up to F ( C) Hydraulic oils, fresh water, sea water, air, up to F ( C) Hydraulic oils, fresh water, air, up to F ( C) Corrosive uids, up to F ( C) XMLBAS XMLBAC XMLBAS XMLBAC XMLBBS XMLBBC XMLBBS XMLBBC XMLBSBS XMLBCS XMLBCC XMLBCS XMLBCC Weight, lb (kg). (.). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Min. at low setting. (. psi),. m, +. m (. psi, +. psi). (. psi),. m, +. m (. psi, +. psi) Min. at high setting. (. psi), ±. m (±. psi). (. psi), ±. m (±. psi) Max. at high setting. (. psi). ( psi) Per cycle (. psi) ( psi) Accidental (. psi). (. psi) Destruction ( psi). (. psi) Cable Entry and Wire Size for Terminal Models / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLBLRS becomes XMLBLRS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection Maximum differential. Minimum differential Terminal model PH. PB Adjustable value Connector model switch connector pin view and.. Other Versions. For switches with alternative tapped cable entries, consult the Sensor Competency Center. / This document provided by Barr-Thorp Electric Co., Inc. --

108 Electromechanical pressure and vacuum switches Size. (. psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contacts connection / NPT or / BSP Switches, Type XMLC With setting scale With setting scale ( psi) overpressure Adjustable Range of Operating Point (PH) () Electrical Connection Catalog Numbers () Fluids Controlled () Hydraulic oils, fresh water, air, up to F ( C) Hydraulic oils, fresh water, sea water, air, up to F ( C) Corrosive uids, up to F ( C).. (.. psi) Terminals XMLCSBS XMLCBS XMLCCS Weight, lb (kg). (.). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Min. at low setting. (. psi), ±. (±. psi). (. psi), ±. (±. psi) Min. at high setting. (. psi), ±. (±. psi). (. psi), ±. (±. psi) Max. at high setting ( psi). (. psi) Per cycle (. psi) ( psi) Accidental (. psi). (. psi) Destruction ( psi). (. psi) Cable Entry and Wire Size for Terminal Models Switch Style / NPT, x. mm² minimum, x. mm² maximum. Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLCBS becomes XMLCBS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection. PH Maximum differential Minimum differential PB.... Adjustable value Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. This document provided by Barr-Thorp Electric Co., Inc. -- /

109 Electromechanical pressure and vacuum switches Size. (. psi) Dual-stage, fixed differential, for detection at each threshold Switches with C/O single-pole contacts (one per stage) connection / NPT or / BSP Switches, Type XMLD Without setting scale Adjustable Range of Each Operating Point () nd stage operating point (PH) st stage operating point (PH) Spread between the Two Stages (PH PH) Electrical Connection Catalog Numbers () Fluids Controlled () Hydraulic oils, fresh water, sea water, air, up to F ( C) Corrosive uids, up to F ( C).. (.. psi).. (.. psi).. (.. psi) Terminals XMLDBS XMLDCS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH/PH to get PB/PB) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Switch Style. (. psi), ±. (±. psi). (. psi), ±. (±. psi) (. psi) (. psi) ( psi) / NPT, x. mm² minimum, x. mm² maximum. Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLDBS becomes XMLDBS). () Component materials of units in contact with the uid, see page /. Operating Curves High setting trip points of contacts and Inherent differential of contacts and PH setting (rising pressure).... Maximum differential Minimum differential. PH setting (rising pressure).... G E. EF Contact (stage ) GH Contact (stage ) F H.. PH PB PH PB Adjustable value --- Non adjustable value Connection: Terminal model Contact (stage ) Contact (stage ) Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. / This document provided by Barr-Thorp Electric Co., Inc. --

110 Electromechanical pressure and vacuum switches Size ( psi) Fixed differential, for detection of a single threshold Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLA With setting scale Without setting scale Adjustable Range of Operating Point (PH) (). (. psi) Electrical Connection Terminals DIN connector Terminals DIN connector Catalog Numbers () Fluids Controlled () Hydraulic oils, fresh water, sea water, air, up to F ( C) Hydraulic oils, fresh water, sea water, air, up to F ( C) Corrosive uids, up to F ( C) Viscous products, up to F ( C) (G¼ pressure connection) XMLAAS XMLAAC XMLAAS XMLAAC XMLABS XMLABC XMLABS XMLABC XMLACS XMLACC XMLACS XMLACC XMLAPS XMLAPC XMLAPS XMLAPC Weight, lb (kg). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH to get PB) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models. (. psi), ±. (±. psi). (. psi), ±. (±. psi) (. psi) (. psi) ( psi) / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLAAS becomes XMLAAS). () Component materials of units in contact with the uid, see page /. Operation curves Connection... PH PB Adjustable value --- Non adjustable value Terminal model Connector model switch connector pin view and Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. This document provided by Barr-Thorp Electric Co., Inc. -- /

111 Electromechanical pressure and vacuum switches Size ( psi) Adjustable differential, for regulation between thresholds Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLB With setting scale Without setting scale With setting scale ( psi) overpressure Adjustable Range of Operating Point (PH) (). (. psi) Electrical Connection Terminals DIN connector Terminals DIN connector Terminals Catalog Numbers () Fluids Controlled () Hydraulic oils, fresh water, sea water, air, up to F ( C) Hydraulic oils, fresh water, sea water, air, up to F ( C) Hydraulic oils, freshwater, air, up to F ( C) Corrosive uids, up to F ( C) XMLBAS XMLBAC XMLBAS XMLBAC XMLBBS XMLBBC XMLBBS XMLBBC XMLBSBS XMLBCS XMLBCC XMLBCS XMLBCC Weight, lb (kg). (.). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Min. at low setting. (. psi), ±. (±. psi). (. psi), ±. (±. psi) Min. at high setting. (. psi),., +. (. psi, +. psi). (. psi),., +. (. psi, +. psi) Max. at high setting. (. psi). (. psi) Per cycle (. psi) ( psi) Accidental (. psi). (. psi) Destruction ( psi). (. psi) Cable Entry and Wire Size for Terminal Models / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLBAS becomes XMLBAS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection Terminal model PH.... Other Versions PB Adjustable value Maximum differential Minimum differential For switches with alternative tapped cable entries, consult the Sensor Competency Center. Connector model switch connector pin view and / This document provided by Barr-Thorp Electric Co., Inc. --

112 Electromechanical pressure and vacuum switches Size ( psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contacts connection / NPT or / BSP Switches, Type XMLC With setting scale With setting scale ( psi) overpressure Adjustable Range of Operating Point (PH) () Electrical Connection Catalog Numbers () Fluids Controlled () Hydraulic oils, fresh water, air, up to F ( C) Hydraulic oils, fresh water, sea water, air, up to F ( C) Corrosive uids, up to F ( C). (. psi) Terminals XMLCSBS XMLCBS XMLCCS Weight, lb (kg). (.). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Min. at low setting. (. psi), ±. (±. psi). (. psi), ±. (±. psi) Min. at high setting. (. psi), ±. (±. psi). (. psi), ±. (±. psi) Max. at high setting. (. psi). (. psi) Per cycle (. psi) ( psi) Accidental (. psi). (. psi) Destruction ( psi). (. psi) Cable Entry and Wire Size for Terminal Models Switch Style / NPT, x. mm² minimum, x. mm² maximum. Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLCBS becomes XMLCBS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection PH Terminal model Maximum differential Minimum differential PB.... Adjustable value Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. This document provided by Barr-Thorp Electric Co., Inc. -- /

113 Electromechanical pressure and vacuum switches Size ( psi) Dual-stage, fixed differential, for detection at each threshold Switches with C/O single-pole contacts (one per stage) connection / NPT or / BSP Switches, Type XMLD Without setting scale Adjustable Range of Each Operating Point () nd stage operating point (PH) st stage operating point (PH) Spread between the Two Stages (PH PH) Electrical Connection Catalog Numbers () Fluids Controlled () Hydraulic oils, fresh water, sea water, air, up to F ( C) Corrosive uids, up to F ( C). (. psi).. (.. psi).. (.. psi) Terminals XMLDBS XMLDCS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH/PH to get PB/PB) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Switch Style. (. psi), ±. (±. psi). (. psi), ±. (±. psi) (. psi) (. psi) ( psi) / NPT, x. mm² minimum, x. mm² maximum. Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLDBS becomes XMLDBS). () Component materials of units in contact with the uid, see page /. Operating Curves High setting trip points of contacts and Inherent differential of contacts and PH setting (rising pressure)..... PH setting (rising pressure) Maximum differential Minimum differential EF Contact (stage ) GH Contact (stage ).. G. E... F H PH PB PH PB Adjustable value --- Non adjustable value Connection: Terminal model Contact (stage ) Contact (stage ) Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. / This document provided by Barr-Thorp Electric Co., Inc. --

114 Electromechanical pressure and vacuum switches Size ( psi) Fixed differential, for detection of a single threshold Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLA With setting scale Without setting scale Adjustable Range of Operating Point (PH) (). (. psi) Electrical Connection Terminals DIN connector Terminals DIN connector Catalog Numbers () Fluids Controlled () Hydraulic oils, fresh water, sea water, air, up to F ( C) Hydraulic oils, fresh water, sea water, air, up to F ( C) Corrosive uids, up to F ( C) Viscous products, up to F ( C) (G¼ pressure connection) XMLAAS XMLAAC XMLAAS XMLAAC XMLABS XMLABC XMLABS XMLABC XMLACS XMLACC XMLACS XMLACC XMLAPS XMLAPC XMLAPS XMLAPC Weight, lb (kg). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH to get PB) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models. (. psi), ±. (±. psi). (. psi), ±. (±. psi). (. psi). (. psi) (. psi) / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLAAS becomes XMLAAS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection... PH PB Adjustable value --- Non adjustable value Terminal model Connector model switch connector pin view and Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. This document provided by Barr-Thorp Electric Co., Inc. -- /

115 Electromechanical pressure and vacuum switches Size ( psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLB With setting scale Without setting scale With setting scale ( psi) overpressure Adjustable Range of Operating Point (PH) (). (. psi) Electrical Connection Terminals DIN connector Terminals DIN connector Terminals Catalog Numbers () Hydraulic oils, fresh water, sea water, air, up to F ( C) XMLBAS XMLBAC XMLBAS XMLBAC Hydraulic oils, fresh water, air, up to F ( C) XMLBSAS Hydraulic oils, fresh water, air, Fluids Controlled XMLBBS XMLBBC XMLBBS XMLBBC up to F ( C) () Corrosive uids, up to F XMLBCS XMLBCC XMLBCS XMLBCC ( C) Viscous products, up to F ( C) XMLBPS XMLBPC XMLBPS XMLBPC (G¼ pressure connection) Weight, lb (kg). (.). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations). (. psi), Min. at low setting. (. psi), ±. (±. psi). ±. (±. psi). Possible Differential. (. psi), (subtract from PH Min. at high setting. (. psi),., +. (. psi, +. psi)., +. to get PB) (. psi, +. psi) Max. at high setting. (. psi). (. psi) Maximum Allowable Per cycle. (. psi) ( psi) Accidental. (. psi). (. psi) Destruction (. psi). (. psi) Cable Entry and Wire Size for Terminal Models / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLBAS becomes XMLBAS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection Terminal model PH.. Other Versions Maximum differential Minimum differential Adjustable value. For switches with alternative tapped cable entries, consult the Sensor Competency Center. PB Connector model switch connector pin view and / This document provided by Barr-Thorp Electric Co., Inc. --

116 Electromechanical pressure and vacuum switches Size ( psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contacts connection / NPT or / BSP Switches, Type XMLC With setting scale With setting scale ( psi) overpressure Adjustable Range of Operating Point (PH) () Electrical Connection Catalog Numbers () Fluids Controlled () Hydraulic oils, fresh water, air, up to F ( C) Hydraulic oils, fresh water, sea water, air, up to F ( C) Corrosive uids, up to F ( C). (. psi) Terminals XMLCSAS XMLCBS XMLCCS Weight, lb (kg). (.). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Min. at low setting. (. psi), ±. (±. psi). (. psi), ±. (±. psi) Min. at high setting. (. psi), ±. (±. psi). (. psi), ±. (±. psi) Max. at high setting ( psi). (. psi) Per cycle. (. psi) ( psi) Accidental. (. psi). (. psi) Destruction (. psi). (. psi) Cable Entry and Wire Size for Terminal Models Switch Style / NPT, x. mm² minimum, x. mm² maximum. Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLCBS becomes XMLCBS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection Maximum differential Minimum differential PH Terminal model PB... Adjustable value Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. This document provided by Barr-Thorp Electric Co., Inc. -- /

117 Electromechanical pressure and vacuum switches Size ( psi) Dual-stage, fixed differential, for detection at each threshold Switches with C/O single-pole contacts (one per stage) connection / NPT or / BSP Switches, Type XMLD Without setting scale Adjustable Range of Each Operating Point () nd stage operating point (PH). (. psi) st stage operating point (PH) Spread between the Two Stages (PH PH) Electrical Connection Catalog Numbers () Fluids Controlled () Hydraulic oils, fresh water, sea water, air, up to F ( C) Corrosive uids, up to F ( C).. (.. psi).. (.. psi) Terminals XMLDBS XMLDCS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH/PH to get PB/PB) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Switch Style. (. psi), ±. (±. psi). (. psi), ±. (±. psi). (. psi). (. psi) (. psi) / NPT, x. mm² minimum, x. mm² maximum. Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLDBS becomes XMLDBS). () Component materials of units in contact with the uid, see page /. Operating Curves High setting trip points of contacts and Inherent differential of contacts and PH setting (rising pressure)... Maximum differential Minimum differential.. PH setting (rising pressure).. G. E.. EF Contact (stage ) GH Contact (stage ) F H.. PH PB PH PB Adjustable value --- Non adjustable value Connection Terminal model Contact (stage ) Contact (stage ) Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. / This document provided by Barr-Thorp Electric Co., Inc. --

118 Electromechanical pressure and vacuum switches Size ( psi) Fixed differential, for detection of a single threshold Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLA With setting scale Without setting scale Adjustable Range of Operating Point (PH) () (. psi) Electrical Connection Terminals DIN connector Terminals DIN connector Catalog Numbers () Fluids Controlled () Hydraulic oils, fresh water, sea water, air, up to F ( C) Hydraulic oils, fresh water, sea water, air, up to F ( C) Corrosive uids, up to F ( C) Viscous products, up to F ( C) (G¼ pressure connection) XMLAAS XMLAAC XMLAAS XMLAAC XMLABS XMLABC XMLABS XMLABC XMLACS XMLACC XMLACS XMLACC XMLAPS XMLAPC XMLAPS XMLAPC Weight, lb (kg). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH to get PB) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models. (. psi), ±. (±. psi) (. psi), ±. (±. psi) (. psi) (. psi) ( psi) / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLAAS becomes XMLAAS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection PH PB Terminal model Connector model switch connector pin view. Adjustable value --- Non adjustable value and Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. This document provided by Barr-Thorp Electric Co., Inc. -- /

119 Electromechanical pressure and vacuum switches Size ( psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLB With setting scale Without setting scale With setting scale ( psi) overpressure Adjustable Range of Operating Point (PH) (). (. psi) Electrical Connection Terminals DIN connector Terminals DIN connector Terminals Catalog Numbers () Hydraulic oils, fresh water, sea XMLBAS XMLBAC XMLBAS XMLBAC water, air, up to F ( C) Hydraulic oils, fresh water, air, up to F ( C) XMLBSAS Hydraulic oils, fresh water, air, Fluids Controlled XMLBBS XMLBBC XMLBBS XMLBBC up to F ( C) () Corrosive uids, up to F XMLBCS XMLBCC XMLBCS XMLBCC ( C) Viscous products, up to F ( C) XMLBPS XMLBPC XMLBPS XMLBPC (G¼ pressure connection) Weight, lb (kg). (.). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential Min. at low setting (. psi), ±. (±. psi). (. psi), ±. (±. psi) (subtract from PH. (. psi), Min. at high setting. (. psi), ±. (±. psi) to get PB) ±. (±. psi) Max. at high setting (. psi). (. psi) Maximum Allowable Per cycle (. psi) ( psi) Accidental (. psi). (. psi) Destruction ( psi). (. psi) Cable Entry and Wire Size for Terminal Models / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLBAS becomes XMLBAS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection Maximum differential Minimum differential Terminal model PH... Other Versions PB Adjustable value Connector model switch connector pin view and For switches with alternative tapped cable entries, consult the Sensor Competency Center. / This document provided by Barr-Thorp Electric Co., Inc. --

120 Electromechanical pressure and vacuum switches Size ( psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contacts connection / NPT or / BSP Switches, Type XMLC With setting scale With setting scale ( psi) overpressure Adjustable Range of Operating Point (PH) () Electrical Connection Catalog Numbers () Fluids Controlled () Hydraulic oils, fresh water, air, up to F ( C) Hydraulic oils, fresh water, sea water, air, up to F ( C) Corrosive uids, up to F ( C). (. psi) Terminals XMLCSAS XMLCBS XMLCCS Weight, lb (kg). (.). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Min. at low setting. (. psi), ±. (±. psi). (. psi), ±. (±. psi) Min. at high setting (. psi), ±. (±. psi). (. psi), ±. (±. psi) Max. at high setting (. psi). (. psi) Per cycle (. psi) ( psi) Accidental (. psi). (. psi) Destruction ( psi). (. psi) Cable Entry and Wire Size for Terminal Models Switch Style / NPT, x. mm² minimum, x. mm² maximum. Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLCBS becomes XMLCBS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection.. Other Versions Maximum differential Minimum differential PH PB Adjustable value Terminal model For switches with alternative tapped cable entries, consult the Sensor Competency Center. This document provided by Barr-Thorp Electric Co., Inc. -- /

121 Electromechanical pressure and vacuum switches Size ( psi) Dual-stage, fixed differential, for detection at each threshold Switches with C/O single-pole contacts (one per stage) connection / NPT or / BSP Switches, Type XMLD Without setting scale Adjustable Range of Each Operating Point () nd stage operating point (PH) st stage operating point (PH) Spread between the Two Stages (PH PH) Electrical Connection Catalog Numbers () Fluids Controlled () Hydraulic oils, fresh water, sea water, air, up to F ( C). (. psi).. (.. psi).. (.. psi) Terminals XMLDBS Corrosive uids, up to F ( C) XMLDCS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH/PH to get PB/PB) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Switch Style. (. psi), ±. (±. psi). (. psi), ±. (±. psi) (. psi) (. psi) ( psi) / NPT, x. mm² minimum, x. mm² maximum. Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLDBS becomes XMLDBS). () Component materials of units in contact with the uid, see page /. Operating Curves High setting trip points of contacts and Inherent differential of contacts and PH setting (rising pressure)..... PH setting (rising pressure) Other Versions Maximum differential Minimum differential. EF Contact (stage ) GH Contact (stage ) For switches with alternative tapped cable entries, consult the Sensor Competency Center.. G. E.... F H PH PB PH PB Adjustable value --- Non adjustable value Connection Terminal model Contact (stage ) Contact (stage ) / This document provided by Barr-Thorp Electric Co., Inc. --

122 Electromechanical pressure and vacuum switches Size (. psi) Fixed differential, for detection of a single threshold Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLA With setting scale Without setting scale Adjustable Range of Operating Point (PH) (). (.. psi) Electrical Connection Terminals DIN connector Terminals DIN connector Catalog Numbers () Fluids Controlled () Hydraulic oils, fresh water, sea water, air, up to F ( C) Hydraulic oils, fresh water, sea water, air, up to F ( C) Corrosive uids, up to F ( C) Viscous products, up to F ( C) (G¼ pressure connection) XMLAAS XMLAAC XMLAAS XMLAAC XMLABS XMLABC XMLABS XMLABC XMLACS XMLACC XMLACS XMLACC XMLAPS XMLAPC XMLAPS XMLAPC Weight, lb (kg). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH to get PB) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models. (. psi), ±. (±. psi). (. psi), ±. (±. psi) (. psi) ( psi) ( psi) / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLAAS becomes XMLAAS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection PH PB Terminal model Connector model switch connector pin view... Adjustable value --- Non adjustable value and Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. This document provided by Barr-Thorp Electric Co., Inc. -- /

123 Electromechanical pressure and vacuum switches Size (. psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLB With setting scale Without setting scale Adjustable Range of Operating Point (PH) (). (.. psi) Electrical Connection Terminals DIN connector Terminals DIN connector Catalog Numbers () Fluids Controlled () Hydraulic oils, fresh water, sea water, air, up to F ( C) Hydraulic oils, fresh water, sea water, air, up to F ( C) Corrosive uids, up to F ( C) Viscous products, up to F ( C) (G¼ pressure connection) XMLBAS XMLBAC XMLBAS XMLBAC XMLBBS XMLBBC XMLBBS XMLBBC XMLBCS XMLBCC XMLBCS XMLBCC XMLBPS XMLBPC XMLBPS XMLBPC Weight, lb (kg). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Destruction Min. at low setting Min. at high setting Max. at high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models. (. psi),., +. (. psi, +. psi). (. psi),., +. (. psi, +. psi) ( psi) (. psi) ( psi) ( psi) / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLBAS becomes XMLBAS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection... Other Versions PH PB Adjustable value Maximum differential Minimum differential For switches with alternative tapped cable entries, consult the Sensor Competency Center. Terminal model Connector model switch connector pin view and / This document provided by Barr-Thorp Electric Co., Inc. --

124 Electromechanical pressure and vacuum switches Size (. psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contacts connection / NPT or / BSP Switches, Type XMLC With setting scale Adjustable Range of Operating Point (PH) () Electrical Connection Catalog Numbers () Fluids Controlled () Hydraulic oils, fresh water, sea water, air, up to F ( C) Corrosive uids, up to F ( C). (.. psi) Terminals XMLCBS XMLCCS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Destruction Min. at low setting Min. at high setting Max. at high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Switch Style (. psi), ±. (±. psi). (. psi), ±. (±. psi) ( psi) (. psi) ( psi) ( psi) / NPT, x. mm² minimum, x. mm² maximum. Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLCBS becomes XMLCBS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection Maximum differential Minimum differential PH PB Terminal model. Adjustable value.. Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. This document provided by Barr-Thorp Electric Co., Inc. -- /

125 Electromechanical pressure and vacuum switches Size (. psi) Dual-stage, fixed differential, for detection at each threshold Switches with C/O single-pole contacts (one per stage) connection / NPT or / BSP Switches, Type XMLD Without setting scale Adjustable Range of Each Operating Point () nd stage operating point (PH). (.. psi) st stage operating point (PH) Spread between the Two Stages (PH PH) Electrical Connection Catalog Numbers () Fluids Controlled () Hydraulic oils, fresh water, sea water, air, up to F ( C) Corrosive uids, up to F ( C).. (.. psi).. (.. psi) Terminals XMLDBS XMLDCS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH/PH to get PB/PB) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Switch Style. (. psi), ±. (±. psi). (. psi), ±. (±. psi) (. psi) ( psi) ( psi) / NPT, x. mm² minimum, x. mm² maximum. Diaphragm () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLDBS becomes XMLDBS). () Component materials of units in contact with the uid, see page /. Operating Curves High setting trip points of contacts and Inherent differential of contacts and PH setting (rising pressure).. F H PH PB PH PB.... PH setting (rising pressure) Maximum differential Minimum differential EF Contact (stage ) GH Contact (stage ) Adjustable value --- Non adjustable value Connection Terminal model Contact (stage ) Contact (stage ). G. E.... Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. / This document provided by Barr-Thorp Electric Co., Inc. --

126 Electromechanical pressure and vacuum switches Size ( psi) Fixed differential, for detection of a single threshold Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLA With setting scale Without setting scale Adjustable Range of Operating Point (PH) () (. psi) Electrical Connection Terminals DIN connector Terminals DIN connector Catalog Numbers () Fluids Controlled () Hydraulic oils, up to F ( C) Fresh water, sea water, up to F ( C) Corrosive uids, air, up to F ( C) XMLADS XMLADC XMLADS XMLADC XMLAES XMLAEC XMLAES XMLAEC XMLANS XMLANC XMLANS XMLANC Weight, lb (kg). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH to get PB) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models (. psi), ± (±. psi). (. psi), ± (±. psi) ( psi) ( psi) ( psi) / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLADS becomes XMLADS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection. Other Versions Piston PH PB Adjustable value --- Non adjustable value For switches with alternative tapped cable entries, consult the Sensor Competency Center. Terminal model Connector model switch connector pin view and This document provided by Barr-Thorp Electric Co., Inc. -- /

127 Electromechanical pressure and vacuum switches Size ( psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLB With setting scale Without setting scale Adjustable Range of Operating Point (PH) () (. psi) Electrical Connection Terminals DIN connector Terminals DIN connector Catalog Numbers () Fluids Controlled () Hydraulic oils, up to F ( C) Fresh water, sea water, up to F ( C) Corrosive uids, air, up to F ( C) XMLBDS XMLBDC XMLBDS XMLBDC XMLBES XMLBEC XMLBES XMLBEC XMLBNS XMLBNC XMLBNS XMLBNC Weight, lb (kg). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Destruction Min. at low setting Min. at high setting Max. at high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models. (. psi),., +. (. psi, +. psi). (. psi),., +. (. psi, +. psi) ( psi) ( psi) ( psi) ( psi) / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLBDS becomes XMLBDS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection Other Versions.. Maximum differential Minimum differential Piston PH PB Adjustable value Terminal model Connector model switch connector pin view For switches with alternative tapped cable entries, consult the Sensor Competency Center. and / This document provided by Barr-Thorp Electric Co., Inc. --

128 Electromechanical pressure and vacuum switches Size ( psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contacts connection / NPT or / BSP Switches, Type XMLC With setting scale Adjustable Range of Operating Point (PH) () Electrical Connection Catalog Numbers () Fluids Controlled () Hydraulic oils, up to F ( C) Fresh water, sea water, up to F ( C) Corrosive uids, up to F ( C) (. psi) Terminals XMLCDS XMLCES XMLCNS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Destruction Min. at low setting Min. at high setting Max. at high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Switch Style. (. psi), ±. (±. psi). (. psi), ±. (±. psi) ( psi) ( psi) ( psi) ( psi) / NPT, x. mm² minimum, x. mm² maximum. () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLCDS becomes XMLCDS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection.. Other Versions Maximum differential Minimum differential Piston PH PB Adjustable value For switches with alternative tapped cable entries, consult the Sensor Competency Center. Terminal model This document provided by Barr-Thorp Electric Co., Inc. -- /

129 Electromechanical pressure and vacuum switches Size ( psi) Dual-stage, fixed differential, for detection at each threshold Switches with C/O single-pole contacts (one per stage) connection / NPT or / BSP Switches, Type XMLD Without setting scale Adjustable Range of Each Operating Point () nd stage operating point (PH) st stage operating point (PH) Spread between the Two Stages (PH PH) Electrical Connection Catalog Numbers () Fluids Controlled () Hydraulic oils, up to F ( C) Fresh water, sea water, up to F ( C) Corrosive uids, air, up to F ( C). (. psi).. (.. psi). (. psi) Terminals XMLDDS XMLDES XMLDNS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH/PH to get PB/PB) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Switch Style (. psi), ±. (±. psi). (. psi), ± (± psi) ( psi) ( psi) ( psi) / NPT, x. mm² minimum, x. mm² maximum. () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLDDS becomes XMLDDS). () Component materials of units in contact with the uid, see pages /. Operating Curves Piston High setting trip points of contacts and Inherent differential of contacts and PH setting (rising pressure).... PH setting (rising pressure) differential Minimum differential Maximum. G E.... Terminal model.. EF Contact (stage ) GH Contact (stage ) H F PH PB PH PB Adjustable value --- Non adjustable value Connection Contact (stage ) Contact (stage ) Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. / This document provided by Barr-Thorp Electric Co., Inc. --

130 Electromechanical pressure and vacuum switches Size ( psi) Fixed differential, for detection of a single threshold Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLA With setting scale Without setting scale Adjustable Range of Operating Point (PH) () ( psi) Electrical Connection Terminals DIN connector Terminals DIN connector Catalog Numbers () Fluids Controlled () Hydraulic oils, up to F ( C) Fresh water, sea water, up to F ( C) Corrosive uids, air, up to F ( C) XMLADS XMLADC XMLADS XMLADC XMLAES XMLAEC XMLAES XMLAEC XMLANS XMLANC XMLANS XMLANC Weight, lb (kg). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH to get PB) Maximum Allowable Destruction Mechanical life At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models. (. psi), ± (±. psi) ( psi), ± (±. psi) ( psi) ( psi) (, psi) x operating cycles / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLADS becomes XMLADS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection. Other Versions Piston PH PB Adjustable value --- Non adjustable value Terminal model Connector model switch connector pin view For switches with alternative tapped cable entries, consult the Sensor Competency Center. and This document provided by Barr-Thorp Electric Co., Inc. -- /

131 Electromechanical pressure and vacuum switches Size ( psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLB With setting scale Without setting scale Adjustable Range of Operating Point (PH) () ( psi) Electrical Connection Terminals DIN connector Terminals DIN connector Catalog Numbers () Fluids Controlled () Hydraulic oils, up to F ( C) Fresh water, sea water, up to F ( C) Corrosive uids, air, up to F ( C) XMLBDS XMLBDC XMLBDS XMLBDC XMLBES XMLBEC XMLBES XMLBEC XMLBNS XMLBNC XMLBNS XMLBNC Weight, lb (kg). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Destruction Min. at low setting Min. at high setting Max. at high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models. (. psi),., +. (. psi, +. psi). (. psi),., +. (. psi, +. psi) ( psi) ( psi) ( psi) (, psi) / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLBDS becomes XMLBDS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection Other Versions.. Maximum differential Minimum differential Piston PH PB Adjustable value Terminal model Connector model switch connector pin view For switches with alternative tapped cable entries, consult the Sensor Competency Center. and / This document provided by Barr-Thorp Electric Co., Inc. --

132 Electromechanical pressure and vacuum switches Size ( psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contacts connection / NPT or / BSP Switches, Type XMLC With setting scale Adjustable Range of Operating Point (PH) () Electrical Connection Catalog Numbers () ( psi) Terminals Hydraulic oils, up to F ( C) XMLCDS Fluids Controlled () Fresh water, sea water, up to F ( C) Corrosive uids, up to F ( C) XMLCES XMLCNS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Destruction Mechanical life Min. at low setting Min. at high setting Max. at high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Switch Style (. psi), ±. (±. psi) (. psi), ±. (±. psi) ( psi) ( psi) ( psi) (, psi) x operating cycles / NPT, x. mm² minimum, x. mm² maximum. () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLCDS becomes XMLCDS). () Component materials of units in contact with the uid, see page /. Operating Curves Connection Maximum differential Minimum differential Piston PH PB Terminal model Adjustable value Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. This document provided by Barr-Thorp Electric Co., Inc. -- /

133 Electromechanical pressure and vacuum switches Size ( psi) Dual-stage, fixed differential, for detection at each threshold Switches with C/O single-pole contacts (one per stage) connection / NPT or / BSP Switches, Type XMLD Without setting scale Adjustable Range of Each Operating Point () nd stage operating point (PH) st stage operating point (PH) Spread between the Two Stages (PH PH) Electrical Connection Catalog Numbers () Fluids Controlled () Hydraulic oils, up to F ( C) Fresh water, sea water, up to F ( C). (. psi). (. psi) (. psi) Terminals XMLDDS XMLDES Corrosive uids, air, up to F ( C) XMLDNS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH/PH to get PB/PB) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Switch Style. (. psi), ±. (±. psi) ( psi), ± (±. psi) ( psi) ( psi) (, psi) / NPT, x. mm² minimum, x. mm² maximum. () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLDDS becomes XMLDDS). () Component materials of units in contact with the uid, see page /. Operating Curves Piston High setting trip points of contacts and Inherent differential of contacts and PH setting (rising pressure)... PH setting (rising pressure) Maximum differential Minimum differential. G. E.. EF Contact (stage ) GH Contact (stage ) F H PH PB PH PB Adjustable value --- Non adjustable value Connection Terminal model Contact (stage ) Contact (stage ) Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. / This document provided by Barr-Thorp Electric Co., Inc. --

134 Electromechanical pressure and vacuum switches Size ( psi) Fixed differential, for detection of a single threshold Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLA With setting scale Without setting scale Adjustable Range of Operating Point (PH) () ( psi) Electrical Connection Terminals DIN connector Terminals DIN connector Catalog Numbers () Fluids Controlled () () Hydraulic oils, up to F ( C) Fresh water, sea water, up to F ( C) Corrosive uids, air, up to F ( C) XMLADS XMLADC XMLADS XMLADC XMLAES XMLAEC XMLAES XMLAEC XMLANS XMLANC XMLANS XMLANC Weight, lb (kg). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH to get PB) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models. (. psi), ± (±. psi) (. psi), ± (± psi) (. psi) (. psi) (, psi) / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLADS becomes XMLADS). () Component materials of units in contact with the uid, see page /. () Only for control of group uids, in accordance with directive //EEC. Operating Curves. Other Versions Piston PH PB Adjustable value --- Non adjustable value Connection Terminal model Connector model switch connector pin view For switches with alternative tapped cable entries, consult the Sensor Competency Center. and This document provided by Barr-Thorp Electric Co., Inc. -- /

135 Electromechanical pressure and vacuum switches Size ( psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLB With setting scale Without setting scale Adjustable Range of Operating Point (PH) () ( psi) Electrical Connection Terminals DIN connector Terminals DIN connector Catalog Numbers () Fluids Controlled () () Hydraulic oils, up to F ( C) XMLBDS XMLBDC XMLBDS XMLBDC Fresh water, sea water, up to F ( C) Corrosive uids, air, up to F ( C) XMLBES XMLBEC XMLBES XMLBEC XMLBNS XMLBNC XMLBNS XMLBNC Weight, lb (kg). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Destruction Min. at low setting Min. at high setting Max. at high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models. (. psi),., +. (. psi, +. psi) (. psi),, + (. psi, + psi) ( psi) (. psi) (. psi) (, psi) / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLBDS becomes XMLBDS). () Component materials of units in contact with the uid, see page /. () Only for control of group uids, in accordance with directive //EEC. Operating Curves. Other Versions Maximum differential Minimum differential Piston PH PB Adjustable value For switches with alternative tapped cable entries, consult the Sensor Competency Center. Connection Terminal model Connector model switch connector pin view and / This document provided by Barr-Thorp Electric Co., Inc. --

136 Electromechanical pressure and vacuum switches Size ( psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contacts connection / NPT or / BSP Switches, Type XMLC With setting scale Adjustable Range of Operating Point (PH) () Electrical Connection Catalog Numbers () Fluids Controlled () () Hydraulic oils, up to F ( C) Fresh water, sea water, up to F ( C) Corrosive uids, air, up to F ( C) ( psi) Terminals XMLCDS XMLCES XMLCNS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Destruction Mechanical life Min. at low setting Min. at high setting Max. at high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Switch Style ( psi), ±. (±. psi) (. psi), ±. (±. psi) ( psi) (. psi) (. psi) (, psi) x operating cycles / NPT, x. mm² minimum, x. mm² maximum. () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLCDS becomes XMLCDS). () Component materials of units in contact with the uid, see page /. () Only for control of group uids, in accordance with directive //EEC. Operating Curves Maximum differential Minimum differential Piston PH PB Connection Terminal model Adjustable value Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. This document provided by Barr-Thorp Electric Co., Inc. -- /

137 Electromechanical pressure and vacuum switches Size ( psi) Dual-stage, fixed differential, for detection at each threshold Switches with C/O single-pole contacts (one per stage) connection / NPT or / BSP Switches, Type XMLD Without setting scale Adjustable Range of Each Operating Point () nd stage operating point (PH) st stage operating point (PH) Spread between the Two Stages (PH PH) Electrical Connection Catalog Numbers () Fluids Controlled () () Hydraulic oils, up to F ( C) Fresh water, sea water, up to F ( C) Corrosive uids, air, up to F ( C) ( psi) (.. psi) (.. psi) Terminals XMLDDS XMLDES XMLDNS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH/PH to get PB/PB) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models (. psi), ±. (±. psi) ( psi), ± (±. psi) (. psi) (. psi) (, psi) / NPT, x. mm² minimum, x. mm² maximum. () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLDDS becomes XMLDDS). () Component materials of units in contact with the uid, see page /. () Only for control of group uids, in accordance with directive //EEC. Operating Curves Switch Style PH setting (rising pressure) PH setting (rising pressure) Maximum differential Minimum differential Other Versions Piston G E EF Contact (stage ) GH Contact (stage ) For switches with alternative tapped cable entries, consult the Sensor Competency Center. H F PH PB PH PB Adjustable value --- Non adjustable value Connection Terminal model Contact (stage ) Contact (stage ) / This document provided by Barr-Thorp Electric Co., Inc. --

138 Electromechanical pressure and vacuum switches Size ( psi) Fixed differential, for detection of a single threshold Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLA With setting scale Without setting scale Adjustable Range of Operating Point (PH) () ( psi) Electrical Connection Terminals DIN connector Terminals DIN connector Catalog Numbers () Fluids Controlled () () Hydraulic oils, up to F ( C) Fresh water, sea water, up to F ( C) Corrosive uids, air, up to F ( C) XMLADS XMLADC XMLADS XMLADC XMLAES XMLAEC XMLAES XMLAEC XMLANS XMLANC XMLANS XMLANC Weight, lb (kg). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH to get PB) Maximum Allowable Destruction Mechanical life At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models ( psi), ± (± psi) (. psi), ± (± psi) (. psi) (,. psi) (, psi) x operating cycles / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLADS becomes XMLADS). () Component materials of units in contact with the uid, see page /. () Only for control of group uids, in accordance with directive //EEC. Operating Curves Piston PH PB Terminal model Connector model switch connector pin view Adjustable value --- Non adjustable value and Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. This document provided by Barr-Thorp Electric Co., Inc. -- /

139 Electromechanical pressure and vacuum switches Size ( psi) Adjustable differential, for regulation between two thresholds Switches with C/O single-pole contact connection / NPT or / BSP Switches, Type XMLB With setting scale Without setting scale Adjustable Range of Operating Point (PH) () ( psi) Electrical Connection Terminals DIN connector Terminals DIN connector Catalog Numbers () Fluids Controlled () () Hydraulic oils, up to F ( C) Fresh water, sea water, up to F ( C) Corrosive uids, air, up to F ( C) XMLBDS XMLBDC XMLBDS XMLBDC XMLBES XMLBEC XMLBES XMLBEC XMLBNS XMLBNC XMLBNS XMLBNC Weight, lb (kg). (.). (.). (.). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Destruction Min. at low setting Min. at high setting Max. at high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models (. psi),., +. (. psi, +. psi). (. psi),., +. (. psi, +. psi) ( psi) (. psi) (,. psi) (, psi) / NPT, x. mm² minimum, x. mm² maximum. Connector Type for Connector Models DIN A, -pin male. For suitable female connector, see page /. Switch Style () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLBDS becomes XMLBDS). () Component materials of units in contact with the uid, see page /. () Only for control of group uids, in accordance with directive //EEC. Operating Curves Other Versions. Maximum differential Minimum differential Piston PH PB Adjustable value Connection For switches with alternative tapped cable entries, consult the Sensor Competency Center. Terminal model Connector model switch connector pin view and / This document provided by Barr-Thorp Electric Co., Inc. --

140 Electromechanical pressure and vacuum switches Size ( psi) Adjustable differential, for regulation between thresholds Switches with C/O single-pole contacts connection / NPT or / BSP Switches, Type XMLC With setting scale Adjustable Range of Operating Point (PH) () Electrical Connection Catalog Numbers () Fluids Controlled () () Hydraulic oils, up to F ( C) Fresh water, sea water, up to F ( C) Corrosive uids, air, up to F ( C) ( psi) Terminals XMLCDS XMLCES XMLCNS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Possible Differential (subtract from PH to get PB) Maximum Allowable Destruction Min. at low setting Min. at high setting Max. at high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Switch Style (. psi), ±. (±. psi) ( psi), ±. (±. psi) ( psi) (. psi) (,. psi) (, psi) / NPT, x. mm² minimum, x. mm² maximum. () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLCDS becomes XMLCDS). () Component materials of units in contact with the uid, see page /. () Only for control of group uids, in accordance with directive //EEC. Operating Curves Maximum differential Minimum differential Piston PH Connection Terminal model PB Adjustable value Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. This document provided by Barr-Thorp Electric Co., Inc. -- /

141 Electromechanical pressure and vacuum switches Size ( psi) Dual-stage, fixed differential, for detection at each threshold Switches with C/O single-pole contacts (one per stage) connection / NPT or / BSP Switches, Type XMLD Without setting scale Adjustable Range of Each Operating Point () Spread between the Two Stages (PH PH) Electrical Connection Catalog Numbers () Fluids Controlled () () nd stage operating point (PH) st stage operating point (PH) (. psi) (. psi) ( psi) Terminals Hydraulic oils, up to F ( C) XMLDDS Fresh water, sea water, up to F ( C) Corrosive uids, air, up to F ( C) XMLDES XMLDNS Weight, lb (kg). (.) Supplementary Specifications (not shown under general speci cations) Inherent Differential (subtract from PH/PH to get PB/PB) Maximum Allowable Destruction At low setting At high setting Per cycle Accidental Cable Entry and Wire Size for Terminal Models Switch Style (. psi), ± (±. psi) (. psi), ± (± psi) (. psi) (,. psi) (, psi) / NPT, x. mm² minimum, x. mm² maximum. () For entry tapped for PG. conduit/cable entry, replace S with S (example: XMLDDS becomes XMLDDS). () Component materials of units in contact with the uid, see page /. () Only for control of group uids, in accordance with directive //EEC. Operating Curves Piston High setting trip points of contacts and Inherent differential of contacts and bh PH setting (rising pressure). Maximum differential Minimum differential PH setting (rising pressure) G E EF Contact (stage ) GH Contact (stage ) H F PH PB PH PB Adjustable value --- Non adjustable value Connection Terminal model Contact Contact (stage ) (stage ) Other Versions For switches with alternative tapped cable entries, consult the Sensor Competency Center. / This document provided by Barr-Thorp Electric Co., Inc. --

142 Electromechanical pressure and vacuum switches Accessories Accessories for Switches and Vacuum Switches Description Rear fixing bracket for vibrations > gn Additional top support bracket for vibrations > gn Knurled adjustment knob, Ø mm ts over adjustment screw(s) to facilitate setting Fixing plate for replacing an XMJA or XMGB switch by an XML switch Lead sealable protective cover to prevent unauthorized access to adjustment screws and xing screw of switch cover Lead sealable protective cover to deter unauthorized access to the adjustment screws Indicator modules and associated covers, LEDs (orange and green) Without setting scale With setting scale Hydraulic block for base mounting directly onto uid manifold Specific characteristics For use with switches XML L XML XMLAM XML M XMLA XML to XML Catalog number Weight lb (kg) XMLZL. (.) XMLZL. (.) All models XMLZL. (.) XMLAM XML M XMLA XML to XML XMLA XMLB XMLZL. (.) XMLZL. (.) All models XMLZL. (.) / Vac/Vdc XMLA/B XMLZZ. (.) / Vac XMLA/B XMLZZ. (.) / Vac/Vdc / Vac XMLA XMLZA. (.) XMLB XMLZB. (.) XMLA XMLZA. (.) XMLB XMLZB. (.) All models XMLZL. (.) Female connector, DIN A XML C XZCCFCPB. (.) Jumper cables, DIN A - M, straight, male for splitter boxes (for connections, see catalog CT) L = m XML C XZCRK. (.) L = m XML C XZCRK. (.) Adapter, G / G / male/female All models XMLZL. (.) Renewal Parts Description Specific characteristics For use with switches Catalog number Weight lb (kg) Sealing gasket For sizes. XMLA/B/C/D XMLZL. (.) Diaphragms XML S XMLZL. (.) XML S XMLZL. (.) XML S XMLZL. (.) XZCCFCPB Connector Pinout This document provided by Barr-Thorp Electric Co., Inc. -- /

143 Dimensions Electromechanical pressure and vacuum switches XML L, XML, XML S a Dim.: mm (in.) XMLC/D: (.) XMLA/B: (.) () max: (.) () uid entry, tapped G / (BSP female) () electrical connections entry, tapped M x., Pg., or / NTP XMLBM, XMLBL ().. (.) (.) = (.) (.) = () (.) () () (.) (.). (.) (.) c () () uid entry, tapped G / (BSP female) () electrical connections entry, tapped M x., Pg., or / NTP () elongated holes Ø. x. (. x.) () elongated hole Ø. x. (. x.) c Øa (.) (.) XML Øa c c BM (.). (.). (.) BL (.) (.) (.) L, (.) S, S, S (.) S, S (.) / This document provided by Barr-Thorp Electric Co., Inc. --

144 Dimensions (continued) Electromechanical pressure and vacuum switches XMLAM, XMLBM, XMLCM, XMLA, XML to XMLC/D: (.) XMLA/B: (.) XMLC/D: (.) XMLA/B: (.) () (.) (.) (.) (.). (.) (.) (.) () (.) (.) = = (..) () uid entry, tapped G / (BSP female) () electrical connections entry, tapped M x., Pg., or / NTP XML M, XML, XMLB, XMLC, XMLD XMLC/D: (.) XMLA/B:. (.) Ø: elongated holes, Ø. x. (.) XMLC/D: (.) XMLA/B: (.) Ø. (.) (.) () (.) (.) () (.) (.) (.) = = (..) Ø () uid entry, tapped G / (BSP female) () electrical connections entry, tapped M x., Pg., or / NTP Ø: elongated holes, Ø. x. This document provided by Barr-Thorp Electric Co., Inc. -- /

145 Dimensions (continued) Electromechanical pressure and vacuum switches XMLBLP, XMLBP (.) () (.). (.) () (.) () uid entry, tapped G ¼ (BSP female) () electrical connections entry, tapped M x., Pg., or / NTP XMLBMP, XMLAP, XML P, XML P, XML P (.) (.) (.) (.) (.) (.) () (.) (.) () (.) (.) () uid entry, tapped G ¼ (BSP female) () electrical connections entry, tapped M x., Pg., or / NTP / This document provided by Barr-Thorp Electric Co., Inc. --

146 Materials in Contact with Fluid Electromechanical pressure and vacuum switches Component Materials in Contact with Fluid or vacuum switch catalog number Zinc alloy Stainless steel Brass Steel Nitrile PTFE FPM, FKM Aluminium XMLAMV, XML MV () XMLAMT, XML MT () XMLBMR XMLBMS () XML MA () XML MB () XML MC () XMLBM () XMLBLR XMLBLS () XML LR, XML SR () XML LS () XMLBLP () XML R () XML S () XMLBP () XML A XML B, XML SB XML C () XMLAA XMLAB XMLAC () XMLAP Materials in contact with uid (). (AISI L) (). (AISI L) (). (AISI ) This document provided by Barr-Thorp Electric Co., Inc. -- /

147 Materials in Contact with Fluid (continued) Electromechanical pressure and vacuum switches Component Materials in Contact with Fluid (continued) switch catalog number Zinc alloy Stainless steel Brass Steel Nitrile PTFE FPM, FKM Aluminium XMLBA XML B, XML SB XML C () XML A XML B XML C () XML P, XML SA XML A, XML A XML B, XML B XML C, XML C () XML P, XML P, XML SA XML D, XML D XML E, XML E () XML N, XML N () XML D XML E () XML N () XML D XML E XML N () Materials in contact with uid (). (AISI L) (). (AISI L) (). (AISI ) (). (AISI L) +. (). (AISI L) +. (AISI ) / This document provided by Barr-Thorp Electric Co., Inc. --

148 / / / / / / / / / / / / / / / / / / Introduction G and G Industrial pressure and vacuum switches G pressure switches Introduction The G pressure switches are UL Listed and CSA Certi ed as industrial control equipment. They are used to interface pneumatic or hydraulic systems with electrical control systems by opening or closing electrical contacts in response to pressure changes in the system. They have outstanding repeatability and drift performance. Their ef cient design uses durable, low mass components for excellent performance under heavy duty vibration and shock conditions. The G pressure switches line offers devices with either diaphragm or piston actuators for optimum life, versatility, and speed of operation. A variety of modi cations are available (see page ). Features include the following: High shock resistance High set-point stability Internal or external range adjustment No drain line required Dual numerical range scale (psi and kpa) One or two SPDT double-break contacts Adjustable or xed ( xed) differential Single-stage, dual-stage, or differentialpressure operation The G diaphragm switches range from. psi falling pressure. Buna-N diaphragms and zinc-plated steel anges are standard. Diaphragms of Viton ourocarbon or ethylene propylene are available as well as stainless steel anges. The G piston actuated switches range from, psi falling pressure. They have sealed pistons and can be used on air, water, oil, or any media compatible with the actuator material. The switches come standard with stainless steel pistons and housings, Viton diaphragms and O-ring seals, and Te on retaining rings. Ethylene propylene diaphragms and O-ring seals are also available. The G industrial pressure switches are available as open type or in NEMA Type enclosures. The backplate is steel with a plastic cover. Open devices in pressure ranges up to psi are available with internal- or external-threaded pressure connectors, ideally suiting them for panel mounting. The G machine tool pressure switches with NEMA Type, X, or (IP) cast aluminum enclosures are UL Listed and CSA Certi ed as industrial control equipment. They are also UL Marine Listed for use on vessels greater than ft long where ignition protection is not required. The G machine tool switches are also available in NEMA Type & cast aluminum enclosures. These are UL Listed for use in Class I, Divisions and, Groups C and D, and Class II, Divisions and, Groups E, F, G hazardous locations. Application and General Information pressure switches can generally be used in any application where electrical contacts must open or close in response to a system pressure change, within the electrical and pressure ratings of the switch. switches are used in a wide variety of applications such as the following: compressed air systems HVAC equipment chillers pumping systems machine tools stamping presses automatic grinders welders process equipment molding machines switches typically perform one of the following two functions: Monitoring the pressure in the system. The switch can be used either as an interlock that sequences operations in an automatic system, or to give an audio or visual signal, typically an alarm of an undesired condition, at predetermined pressures. A switch with a fixed differential is generally used in these applications. Controlling the pressure in the system by starting and stopping a pump or a compressor at predetermined pressures. A switch with an adjustable differential is usually needed in these applications. This document provided by Barr-Thorp Electric Co., Inc. -- /

149 Introduction (continued) G and G Industrial pressure and vacuum switches G pressure switches Diaphragm Life The elastomer diaphragms used on G switches can withstand high speed cycling and wide pressure changes. They can tolerate operating speeds up to cycles per minute with no negative impact on the life of the diaphragm. Diaphragm life is affected by pressure medium compatibility. Standard diaphragms on G devices are Buna-N nitrile in zinc-plated steel anges. Also available are Viton uorocarbon and ethylene propylene diaphragms, as well as Type stainless steel anges. The diaphragm can withstand wide pressure changes on each operating cycle. However, the pressure applied to the diaphragm during the normal operating cycle should never exceed the maximum value listed in the Range column in the catalog listing. Regularly cycling the pressure above this value reduces life considerably. If signi cant surges are common, or if pressures are higher than those listed in the Range column, consider using a piston device. Piston Life For long piston life, the pressure medium should be ltered to keep foreign matter such as dirt and chips out of the piston assembly. G sealed piston devices are not recommended for use on dry gas media, since this usage could cause some leakage past the seal. Depending on the gas, the media pressure, and the rate of operation, the amount of leakage could render the switch inoperable. (Note, however, that some weepage of the media is necessary to lubricate the seals. This small amount of weepage does not indicate a problem.) Surges One of the most destructive conditions for a pressure switch is hydraulic surge. A surge is a high rate of rise in pressure, normally of short duration, caused by starting a pump or by opening and closing a valve. Extremely high rates of rise in pressure can be damaging even if they are within the limits of the maximum allowable pressure. To limit the effect of surges, the switch should be mounted as close to an accumulator and as far from the pump or quick acting valve as possible. The G piston actuated switches have a. in. pressure ori ce to help reduce the effects of minor surges. G diaphragm actuated switches have a. in. pressure ori ce. A restrictor with a small ori ce placed in the line between the switch and the pump or valve will further help to protect the switch. Using a surge snubber such as the A or AS will also protect the switch. Vibration Among other things, excessive vibration can cause contact bounce, chatter, or premature contact transfer, especially when system pressure is near the operating point of the switch. Remote mounting of the switch is the best way to avoid problems. Use on Steam Switches should not be applied directly on steam exceeding psig. However, with steam capillary tubing installed between the pressure connection and the switch, steam pressure up to psig can be applied provided this does not exceed the maximum allowable pressure rating of the switch or the maximum temperature rating at the actuator. Refer to the instruction bulletin supplied with the device. Dual-Stage Operation The G dual-stage pressure switches provide two distinct levels of control from one device. These switches are most commonly used where dual functions are required, or in sequencing applications such as alarm-shutdowns. Differential- Operation The G pressure switches for differential-pressure sensing can monitor changes in the difference between two pressures. These unidirectional devices signal that a predetermined pressure difference was reached, resulting from a widening or narrowing of the difference between two pressures. / This document provided by Barr-Thorp Electric Co., Inc. --

150 / / / / Introduction (continued), Technical Overview G and G Industrial pressure and vacuum switches G pressure switches Piston- vs. Diaphragm-Actuated Devices Selecting between piston and diaphragm devices depends on several criteria: / maximum allowable pressure range and differential surges medium (whether hydraulic or pneumatic) Maximum allowable pressures for piston devices are much higher than for diaphragm devices. Most diaphragm devices have a maximum allowable pressure of psi or less, whereas all piston devices have a maximum allowable pressure of, psi or more. Range and differential for diaphragm devices are lower than for piston devices. Many applications call for a low differential, such as psi. This may exclude piston devices, which have a minimum differential of psi or more. Surges are a part of every hydraulic system. While many are small and have only a small effect on the switch, some are signi cant and can potentially destroy a pressure switch. Diaphragm devices are the most sensitive to surges and are most easily damaged. Piston devices are more tolerant of surges and last longer in the same application. Hydraulic systems, which typically use oil-based media, are more demanding applications than pneumatic systems. switches used in hydraulic applications typically experience higher pressures, have wider pressure variations, and produce more surges, since the medium does not compress. Pneumatic systems, which typically use air, place fewer demands on a system, since these applications typically experience lower pressures and the medium can compress, cushioning the effects of surges. Table offers basic guidelines for determining the selection of a piston- versus a diaphragm-operated pressure switch. Piston vs. Diaphragm Maximum allowable pressures High Lower High pressures s Low differentials or pressures Constant Surges Minimal Hydraulic systems Media Pneumatic systems Piston Diaphragm Piston Diaphragm Piston Diaphragm or piston Piston Diaphragm Technical Overview Operating Points (Set Points) switches have two operating points: / Increasing pressure operating point (rising pressure) Decreasing pressure operating point (falling pressure) These operating points are also called the set points of the switch. Differential The differential is the difference in pressure between the rising and falling pressure points. It can be adjustable or xed. Range The range refers to the pressure limits within which the operating points (settings) can be adjusted. The range of the G pressure switch is tied to the decreasing pressure operating point. Adding the differential to the decreasing pressure operating point determines the increasing pressure operating point. This document provided by Barr-Thorp Electric Co., Inc. -- /

151 / / / / Technical Overview (continued) G and G Industrial pressure and vacuum switches G pressure switches Differential Adjustable Differential Maximum Allowable Fixed Differential Maximum Allowable Adjustable Range Rising Adjustable Range Falling Adjustable Differential Maximum Differential Max. Trip Point Min. Trip Point Minimum Differential Reset Point Adjustable Range Rising Adjustable Range Falling Fixed Differential Trip Point Reset Point psi psi Fixed Differential To determine the operating range on rising pressure for a xed differential switch, add the differential to the decreasing pressure operating point. For example, to determine the range on increasing pressure for a GDW switch: / Range on decreasing pressure = to psi Fixed differential =. ±. psi Range on increasing pressure = ±. to ±. psi Adjustable Differential For adjustable differential switches, add the minimum differential to the low end of the range and the maximum differential to the high end of the range. For example, to determine the range on increasing pressure for a GAW: / Range on decreasing pressure = to psi Adjustable differential =. to psi Range on increasing pressure = to During the normal operating cycle, system pressure should never exceed the upper limit of the range when using a diaphragm actuated switch. This greatly reduces the life of the diaphragm. For optimum life, operate the switch in the middle % of the range. Maximum Allowable Maximum allowable pressure is the pressure to which a switch can be subjected without causing a change in operating characteristics, shift in settings, or damage to the device. System pressure surges may occur during machine startup or from valve operation. Surges are not normally detrimental to the life of a switch if the surge is within the maximum allowable pressure rating of the switch. Diaphragm actuated switches should not be subjected to more than surges per day. More frequent surges greatly reduce the life of the diaphragm. / This document provided by Barr-Thorp Electric Co., Inc. --

152 Technical Overview (continued) G and G Industrial pressure and vacuum switches G pressure switches Specifications Environment Environmental Specifications Conformity to standards CE, IEC.., UL, CSA - UL Listed and CSA Certi ed as industrial control Product certifications equipment Protective treatment Marine use: HT (does not apply to GVG) Air, water, hydraulic oils, gases, steam (depending Fluids controlled on the model) Cast aluminum enclosures ( NEMA and Materials GVG are stamped metal enclosure and molded cover) Operating position Operates in all positions Shock resistance g Degree of protection Depends on model Operating rate (operating cycles/ operations/minute max. GVG: minute) operations/minute max. Repeat accuracy ±. to ±.% (does not apply to GVG) ±.% of the adjustable range over million Drift operations connection G/ (BSP) female, / NPTF, or / - NPT / - NPTF, PG., or ISO M (also, / - NPTF available only on NEMA and ). NEMA is Electrical connection / conduit entry, unthreaded. (does not apply to GVG) Contact Arrangement G Machine Tool and Vacuum Switches (except GVG) Type Contact Arrangement Contact Symbol Single Pole Double Throw (SPDT) N.O., N.C. Snap switch contains two double-break contact elements ( N.O. and N.C.) that must be used on circuits of same polarity. Double Pole Double Throw (DPDT) N.O., N.C. Same Polarity Same Polarity Same Polarity Circuit Ratings Snap switch contains two electrically separated sets of contact elements allowing use on circuits of opposite polarity. Each set contains two double-break contact elements ( N.O. and N.C.) that must be used on circuits of same polarity. Contacts SPDT DPDT Voltage (V) AC or Hz DC AC or DC Inductive % Power Factor Resistive % Power Factor Voltage (V) Inductive and Resistive Make Break Make and Make and Break Break Amperes A VA A VA Amperes Single Throw Double Throw Continuous Carrying Amperes () () Vdc rating does not apply. Acceptable Wire Sizes: AWG. Recommended Terminal Clamp Torque: lb-in Not recommended for use on circuits below V, ma. This document provided by Barr-Thorp Electric Co., Inc. -- /

153 Technical Overview (continued) G and G Industrial pressure and vacuum switches G pressure switches Interpreting the Catalog Number (excluding GVG) Designation Classification Actuator Type Differential Type Enclosure, NEMA Type Contacts Range (psi) Switch Vacuum Switch Single-Stage Differential- Dual-Stage Single-Stage Diaphragm, Low Adjustable Diaphragm, High Adjustable Piston Adjustable Diaphragm, Low Fixed Diaphragm, High Fixed Piston Fixed Diaphragm, Low Adjustable Diaphragm, High Adjustable Piston Adjustable Diaphragm, Low Adjustable Diaphragm, High Adjustable Piston Adjustable Diaphragm, Low Adjustable Diaphragm, High Adjustable Piston Adjustable Diaphragm, Low Fixed Diaphragm, High Fixed Piston Fixed G A R Catalog Number G G A B C D E F G H J K L M N P Q R S T G Open O, R, X, W Single-pole, double-throw blank Double-pole, double-throw. Single or Dual Stage, Low. Diaphragm Single or Dual Stage, High Differential-, Low Differential-, High Single or Dual Stage Piston Differential- Vacuum (inhg) Diaphragm Single Stage, Low Options Factory modi cations and accessories Use this table for interpretation only. Some combinations are not available. Range (psi) Contacts Change on Decreasing See tables on pages /, / and /. Actuator Switch Style Range (psi) Fixed Differential Adjustable Differential Code Diaphragm Piston Single or Dual Stage, Low Single or Dual Stage, High Differential-, Low..±...±....±...±....±.. ±. ±.±.. Differential-, High ± Single or Dual Stage ± ± ± Differential- / This document provided by Barr-Thorp Electric Co., Inc. --

154 Specifi cations G and G Industrial pressure and vacuum switches G machine tool pressure switches Selection and Specifications - G Switches GDW G Machine Tool Switches for Single-Stage Operation The G single-stage pressure switches are control circuit rated devices. These switches are used in pneumatic or hydraulic systems on a wide variety of machine and process applications to protect the equipment. They either control or monitor the system pressure. Fixed Differential NEMA Type, X, Enclosure UL Listed and CSA Certified as Industrial Control Equipment Range on Decreasing psig Approximate Differential At Mid Range, psig () Maximum Allowable, psig SPDT Class Type DPDT Diaphragm Actuated Buna-N Nitrile Diaphragm, Zinc Plated Steel Housing.. ±. GDW GDW. ±. GDW GDW.. ±. GDW GDW. ±. GDW GDW. ±. GDW GDW ±. GEW GEW ± GEW GEW Piston Actuated # Stainless Steel Piston. # Stainless Steel Housing, Viton Fluorocarbon Diaphragm and O-ring, Teflon Retaining Ring ± GFW GFW ± GFW GFW ± GFW GFW ± GFW GFW Specifications Fluids Controlled connection Weight (approximate) Voltage Limits Continuous Current Air, water, hydraulic oils, gases, steam (depending on the model) G/ (BSP) female, / NPTF, or / - NPT. For metric threads, add M after the W on all types. lb (. kg) V A Electrical Connections / - NPTF, PG., or ISO M. For metric threads, add M after the W on all types. () Standards/Ratings CE, IEC.., UL, CSA -. UL Marine Listed for use on ships/vessels greater than ft long where ignition protection is not required. Temperature Ratings Minimum Maximum Ambient C ( F) + C (+ F) Diaphragm C ( F) Piston C ( F) Media + C (+ F) All with C ( F) Form Q Operating Curves Contact Blocks Connection Rising Max. Differential Fixed Differential Min. Differential N.O., N.C. N.O., N.C. Same Polarity Same Polarity Same Polarity Form H Red LED Black Form H White Blue Brown Black Form H SPDT snap switches contain two double-break contact elements ( N.O., N.C.) that must be used on circuits of the same polarity. DPDT snap switches contain two electrically separated sets of contact elements allowing use on circuits of opposite polarity. Each set contains two double-break contact elements ( N.O., N.C.) that must be used on circuits of the same polarity. Acceptable Wire Sizes: AWG Recommended Terminal Clamp Torque: lb-in () The differential adds to the range setting and determines the operating point on rising pressure. () To order a Pg. electrical conduit entry and a / - BSP pressure connection, add M to the end of the catalog number, as well as adding M after W for metric threads. For example: GAW = / NPT elec conduit entry GAWM = x. mm electrical conduit entry GAWMM = Pg. electrical conduit entry and /- BSP pressure connection. ORG BLK WHT GRN RED ORG BLK WHT RED GRN This document provided by Barr-Thorp Electric Co., Inc. -- /

155 G and G Industrial pressure and vacuum switches G machine tool pressure switches GDR Fixed Differential NEMA Type & Enclosure, Class I & II, Division &, Groups C, D, E, F, G UL Listed as Industrial Control Equipment Range on Decreasing, psig Approximate Differential At Mid Range psig () Maximum Allowable, psig Class Type SPDT DPDT Diaphragm Actuated Buna-N Nitrile Diaphragm, Zinc Plated Steel Housing.. ±. GDR GDR. ±. GDR GDR.. ± GDR GDR ±. GDR GDR ± GDR GDR ± GER GER ± GER GER Piston Actuated # Stainless Steel Piston. # Stainless Steel Housing, Viton Fluorocarbon Diaphragm and O-ring, Teflon Retaining Ring ± GFR GFR ± GFR GFR ± GFR GFR ± GFR GFR Specifications Fluids Controlled Connection Weight (approximate) Voltage Limits Continuous Current Electrical Connections Standards/Ratings Air, water, hydraulic oils, gases, steam (depending on the model) G/ (BSP) female, / NPTF, or / - NPT lb (. kg) V A / - NPTF, PG., / - NPTF, or ISO M CE, IEC.., UL, CSA -. UL Marine Listed for use on vessels greater than ft long where ignition protection is required. Temperature Ratings Minimum Maximum Ambient C ( F) + C (+ F) Diaphragm C ( F) Media Piston C ( F) + C (+ F) All with Form Q C ( F) Operating Curves Contact Blocks Connection Rising Max. Differential Fixed Differential Min. Differential N.O., N.C N.O., N.C. SPDT snap switches contain two double-break contact elements ( N.O., N.C.) that must be used on circuits of the same polarity. DPDT snap switch contain two electrically separated sets of contact elements allowing use on circuits of opposite polarity. Each set contains two double-break contact elements ( N.O., N.C.) that must be used on circuits of the same polarity. Form H Red LED Black Form H ORG BLK White Blue Brown Black WHT GRN RED Form H ORG BLK Acceptable Wire Sizes: AWG Recommended Terminal Clamp Torque: lb-in () The differential adds to the range setting and determines the operating point on rising pressure. Same Polarity Same Polarity Same Polarity NOTE: When pressure settings of the switches must be factory set (Form Y), and only one setting is identi ed, specify whether this setting is on increasing or decreasing pressure. WHT RED GRN File E CCN NOWT Haz. Loc., G R File LR Class - G W, G O, G G File E CCN NKPZ G W, G O, G G File LR Class - G R File E CCN NTHT Marine Use, G W / This document provided by Barr-Thorp Electric Co., Inc. --

156 G and G Industrial pressure and vacuum switches G machine tool pressure switches GAW Adjustable Differential NEMA Type, X, Enclosure UL Listed and CSA Certified as Industrial Control Equipment Range on Decreasing, psig Adjustable Differential () Approximate at Mid Range Maximum Allowable, psig Class Type SPDT DPDT Diaphragm Actuated Buna-N Nitrile Diaphragm, Zinc Plated Steel Housing.. GAW GAW. GAW GAW.. GAW GAW. GAW GAW. GAW GAW GBW GBW GBW GBW Piston Actuated # Stainless Steel Piston. # Stainless Steel Housing, Viton Fluorocarbon Diaphragm and O-ring, Teflon Retaining Ring GCW GCW GCW GCW GCW GCW GCW GCW Specifications Fluids Controlled Air, water, hydraulic oils, gases, steam (depending on the model) Connection G/ (BSP) female, / NPTF, or / - NPT. For metric threads, add M after the W on all types. () Weight (approximate) lb (. kg) Voltage Limits V Continuous Current A Electrical Connections / - NPTF, PG., or ISO M. For metric threads, add M after the W on all types. Standards/Ratings CE, IEC.., UL, CSA -. UL Marine Listed for use on ships/vessels greater than ft long where ignition protection is not required. Temperature Ratings Minimum Maximum Ambient C ( F) + C (+ F) Diaphragm C ( F) Media Piston C ( F) + C (+ F) All with Form Q C ( F) Operating Curves Contact Blocks Connection Form H N.O., Same Adjustable N.C. Polarity Brown Differential Red White Rising Max. Differential Min. Differential N.O., N.C. SPDT snap switches contain two double-break contact elements ( N.O., N.C.) that must be used on circuits of the same polarity. DPDT snap switch contain two electrically separated sets of contact elements allowing use on circuits of opposite polarity. Each set contains two double-break contact elements ( N.O., N.C.) that must be used on circuits of the same polarity. Same Polarity Same Polarity LED Black Form H ORG BLK Blue Black WHT GRN RED Form H ORG BLK Acceptable Wire Sizes: AWG Recommended Terminal Clamp Torque: lb-in () The differential adds to the range setting and determines the operating point on rising pressure. () To order a Pg. electrical conduit entry and a / - BSP pressure connection, add M to the end of the catalog number, as well as adding M after W for metric threads. For example: GAW = / NPT elec conduit entry GAWM = x. mm electrical conduit entry GAWMM = Pg. electrical conduit entry and /- BSP pressure connection. WHT RED GRN This document provided by Barr-Thorp Electric Co., Inc. -- /

157 G and G Industrial pressure and vacuum switches G machine tool pressure switches GAR Adjustable Differential NEMA Type & Enclosure, Class I & II, Division &, Groups C, D, E, F, G UL Listed as Industrial Control Equipment Range on Decreasing, psig Adjustable Differential () Approximate at Mid Range Maximum Allowable, psig Class Type SPDT DPDT Diaphragm Actuated Buna-N Nitrile Diaphragm, Zinc Plated Steel Housing.. GAR GAR. GAR GAR.. GAR GAR GAR GAR GAR GAR GBR GBR GBR GBR Piston Actuated # Stainless Steel Piston. # Stainless Steel Housing, Viton Fluorocarbon Diaphragm and O-ring, Teflon Retaining Ring GCR GCR GCR GCR GCR GCR GCR GCR Specifications Fluids Controlled Connection Weight (approximate) Voltage Limits Continuous Current Electrical Connections Standards/Ratings Air, water, hydraulic oils, gases, steam (depending on the model) G/ (BSP) female, / NPTF, or / - NPT lb (. kg) V A / - NPTF, PG., / - NPTF, or ISO M CE, IEC.., UL, CSA -. UL Marine Listed for use on vessels greater than ft long where ignition protection is required. Temperature Ratings Minimum Maximum Ambient C ( F) + C (+ F) Diaphragm C ( F) Media Piston C ( F) + C (+ F) All with Form Q C ( F) Operating Curves Contact Blocks Connection Rising Adjustable Differential Max. Differential Min. Differential N.O., N.C. N.O., N.C. Form H Red LED Black Form H White Blue Brown Black Form H ORG BLK SPDT snap switches contain two double-break contact elements ( N.O., N.C.) that must be used on circuits of the same polarity. DPDT snap switch contain two electrically separated sets of contact elements allowing use on circuits of opposite polarity. Each set contains two double-break contact elements ( N.O., N.C.) that must be used on circuits of the same polarity. Acceptable Wire Sizes: AWG Recommended Terminal Clamp Torque: lb-in () The differential adds to the range setting and determines the operating point on rising pressure. Same Polarity Same Polarity Same Polarity ORG BLK WHT GRN RED WHT RED GRN File E CCN NOWT Haz. Loc., G R File LR Class - G W, G O, G G File E CCN NKPZ G W, G O, G G File LR Class - G R File E CCN NTHT Marine Use, G W / This document provided by Barr-Thorp Electric Co., Inc. --

158 G and G Industrial pressure and vacuum switches G pressure switches for differential-pressure operation GJW Differential- Operation switches for differential-pressure operation are used to monitor the change in the difference between two pressures. The G differential-pressure switches are unidirectional devices and are used in applications to signal that a predetermined pressure difference has been reached as a result of a widening or increasing difference between the two pressures. They can also be used in applications to signal that a predetermined pressure difference has been reached as a result of a narrowing or decreasing difference between the two pressures. Adjustable differential NEMA Type, X, Enclosures UL Listed and CSA Certified as Industrial Control Equipment Working Range on decreasing X (upper) actuator Adjustable Difference on Decreasing (Adds to working pressure) Y (lower) actuator Adjustable Differential Actuates on increasing pressure (adds to adjustable difference) Maximum Allowable Class Type SPDT DPDT Diaphragm Actuated Buna-N Nitrile Diaphragm, Zinc Plated Steel Housing.. GGW GGW. GGW GGW GHW GHW Piston Actuated # Stainless Steel Piston. # Stainless Steel Housing, Viton Fluorocarbon Diaphragm and O-ring, Teflon Retaining Ring GJW GJW Specifications Fluids Controlled Connection Weight (approximate) Voltage Limits Continuous Current Electrical Connections Standards/Ratings Air, water, hydraulic oils, gases, steam (depending on the model) G/ (BSP) female, / NPTF, or / - NPT lb (. kg) V A / - NPTF, PG., or ISO M CE, IEC.., UL, CSA -. UL Marine Listed for use on vessels greater than ft long where ignition protection is not required. Temperature Ratings Minimum Maximum Ambient C ( F) + C (+ F) Diaphragm C ( F) Media Piston C ( F) + C (+ F) All with Form Q C ( F) Operating Curves Contact Blocks Connection Rising Adjustable Differential Max. Differential Min. Differential N.O., N.C. N.O., N.C. SPDT snap switches contain two double-break contact elements ( N.O., N.C.) that must be used on circuits of the same polarity. DPDT snap switch contain two electrically separated sets of contact elements allowing use on circuits of opposite polarity. Each set contains two doublebreak contact elements ( N.O., N.C.) that must be used on circuits of the same polarity. Acceptable Wire Sizes: File E File E AWG CCN NKPZ CCN NTHT - Marine Use Same Polarity Same Polarity Same Polarity Form H Red LED Black Form H ORG BLK White Blue Brown Black WHT GRN RED Recommended Terminal Clamp Torque: File LR Class - Form H ORG BLK WHT RED GRN lb-in This document provided by Barr-Thorp Electric Co., Inc. -- /

159 G and G Industrial pressure and vacuum switches G dual-stage pressure switches GKW Dual-Stage Operation The G dual-stage pressure switches are designed for use in applications where two separate pressure operations must be controlled by a single pressure monitoring device. These controls are most commonly used where dual functions are required or in sequencing applications such as alarm shutdowns. The spread between the two stages is adjustable, but the differential between the high (rising) and low (falling) operating points of each stage is xed. Fixed Differential NEMA Type, X, Enclosure UL Listed and CSA Certified as Industrial Control Equipment Range Setting limits between which Stage can be adjusted to operate on decreasing pressure Adjustable Spread Add to the range setting to obtain the decreasing operating point of Stage Fixed Differential Add to the low operating point to obtain the approximate high operating point for each stage Maximum Allowable SPDT Each Stage Stage Stage Type Diaphragm Actuated Buna-N Nitrile Diaphragm, Zinc Plated Steel Housing.. ±.. ±. GKW. ±.. ±. GKW.. ±.. ±. GKW. ±. ± GKW ± ± GKW ± ±. GLW ± ± GLW Piston Actuated # Stainless Steel Piston. # Stainless Steel Housing, Viton Fluorocarbon Diaphragm and O-ring, Teflon Retaining Ring ± ± GMW ± ± GMW ± ± GMW ± ± GMW Specifications Fluids Controlled Connection Weight (approximate) Voltage Limits Continuous Current Electrical Connections Standards/Ratings Air, water, hydraulic oils, gases, steam (depending on the model) G/ (BSP) female, / NPTF, or / - NPT lb (. kg) V A / - NPTF, PG., or ISO M CE, IEC.., UL, CSA -. UL Marine Listed for use on vessels greater than ft long where ignition protection is not required. Temperature Ratings Minimum Maximum Ambient C ( F) + C (+ F) Diaphragm C ( F) Media Piston C ( F) + C (+ F) All with Form Q C ( F) Operating Curves Contact Blocks Rising Max. Differential Fixed Differential Min. Differential N.O., N.C. Same Polarity Acceptable Wire Sizes: AWG Recommended Terminal Clamp Torque: lb-in File E File E CCN NKPZ CCN NTHT - Marine Use File LR Class - / This document provided by Barr-Thorp Electric Co., Inc. --

160 G and G Industrial pressure and vacuum switches G machine tool modi cations and renewal parts Red LED Black ORG BLK Form H ORG BLK WHT RED GRN Form H White Blue Form H Brown Black WHT GRN RED G Machine Tool Modifications Modification Applies To Form Lock on rising pressure, manual reset only Available on GDW, GDWM, GEW, GEWM, GFW, GFWM only E Vac or Vdc neon pilot light Vdc only LED Vdc LED pilot light with green lens SPDT snap switch rated. A at Vdc (minimum differential doubles) Prewired -pin male receptacle Brad Harrison # or interchangeable Crouse-Hinds receptacle at our convenience. For use with Brad Harrison female portable plug #,, or equal Available on all GAW thru GMW and GAWM thru GFWM For pilot light conversion kits: See PC through Class GAW GMW and GAWM GFWM, or Class GAW clear lens red lens clear lens red lens Available on GAR thru GFR, GAW thru GJW, GAWM thru GFWM Available on GAW thru GJW single pole devices only See diagrams at left Micro connector, -pin, for Vdc pilot light G W (single pole only), except GAW and Form B. H External range adjustment with range scale window With knob GAW thru GFW, GAWM thru GFWM, GKW thru GMW K Slotted for screwdriver GAW thru GFW, GAWM thru GFWM, GKW thru GMW K Pg. conduit thread and ¼- BSP pressure connection # stainless steel flange Standard Buna-N Nitrile diaphragm Ethylene propylene diaphragm Viton uorocarbon diaphragm GAW thru GFW, GKW thru GMW GAR, GBR, GDR, GER, GAW, GBW, GDW, GEW, GGW, GHW, GAWM, GBWM, GDWM, GEWM, GKW, GLW Available on all GGW, GHW except GGW-,. Available on all GAR, GBR, GDR, GER, GAW, GBW, GDW, GEW, GAWM, GBWM, GDWM, GEWM, GKW, GLW except Types and GAR, GAW, GBR, GBW, GDR, GDW, GER, GEW, GGW, GHW, GAWM, GBWM, GDWM, GEWM, GKW, GLW Range scale window (standard with Forms K and K) GAW thru GMW, GAWM thru GFWM V Special factory setting specified (If indicating only one special setting, specify whether this setting is on increasing or decreasing pressure.) connection - NPT external thread - NPT external thread, - NPTF internal thread - UNF-B internal thread All G GAR, GAW, GDR, GDW, GGW, GKW Not available in combination with Forms Q, Q, Q GAR, GAW, GDR, GDW, GGW, GKW Not available in combination with Forms Q, Q, Q GAR thru GFR; GAW thru GMW Not available in combination with Forms Q, Q, Q Factory Modifications for Renewal Parts Kits for Class Switches Suffixes for renewal parts kits, see page /. Modification Applies to Parts Kit Type Form SPDT snap switch rated. A at Vdc (minimum differential doubles) # stainless steel flange connection Standard Buna-N Nitrile diaphragm Ethylene propylene diaphragm Viton uorocarbon diaphragm PC PC, PC, Q PC PC, PC, PC, PC, PC, PC - NPT external thread PC Z - NPT external thread, - NPTF internal thread PC - UNF-B internal thread PC,, PC Z Class Accessories for G Switches G G G G G H H or H M Q Q Q Y Z Z Z H Q Q Z Description Stainless steel surge reducer for use on oils, coolants, and hydraulic uids (not recommended for air or water) Type AS This document provided by Barr-Thorp Electric Co., Inc. -- /

161 G and G Industrial pressure and vacuum switches G industrial pressure switches GRG Fixed Differential Open Type or NEMA Type Enclosure UL Listed and CSA Certified as Industrial Control Equipment Range on Decreasing, psig Approximate Differential () At Mid Range, psig Maximum Allowable, psig Diaphragm Actuated Buna-N Nitrile Diaphragm, Zinc Plated Steel Housing Class Type Open Type NEMA Type.. ±. GRO GRG. ±. GRO GRG.. ±. GRO GRG. ± GRO GRG. ± GRO GRG ± GSO GSG ± GSO GSG Piston Actuated # Stainless Steel Piston. # Stainless Steel Housing, Viton Fluorocarbon Diaphragm and O-Ring, Teflon Retaining Ring. ± GTO GTG ± GTO GTG ± GTO GTG ± GTO GTG Specifications Fluids Controlled Connection Air, water, hydraulic oils, gases, steam (depending on the model) G/ (BSP) female, / NPTF, or / - NPT Weight (approximate) Type : lb (. kg); Open:. lb (.) Voltage Limits Continuous Current Electrical Connections V A / conduit entry, unthreaded Standards/Ratings CE, IEC.., UL, CSA - Temperature Ratings Minimum Maximum Ambient C ( F) + C (+ F) Media Diaphragm Piston All with Form Q Operating Curves Rising Max. Differential Fixed Differential Min. Differential C ( F) C ( F) C ( F) Contact Blocks SPDT form C contacts () Determines the operating point on rising pressure. + C (+ F) Acceptable Wire Sizes: AWG Recommended Terminal Clamp Torque: lb-in File E CCN NKPZ File LR Class - / This document provided by Barr-Thorp Electric Co., Inc. --

162 G and G Industrial pressure and vacuum switches G industrial pressure switches GNO GQO GNG Adjustable Differential Open Type or NEMA Type Enclosure UL Listed and CSA Certified as Industrial Control Equipment Range on Decreasing psig Approximate Mid Range () Differential (adds to the decreasing set point) Maximum Allowable psig Class Type Open Type NEMA Type Diaphragm Actuated Buna-N Nitrile Diaphragm, Zinc Plated Steel Housing... GNO GNG.. GNO GNG... GNO GNG.. GNO GNG.. GNO GNG. GPO GPG. GPO GPG Piston Actuated # Stainless Steel Piston. # Stainless Steel Housing, Viton Fluorocarbon Diaphragm and O-Ring, Teflon Retaining Ring. GQO GQG GQO GQG GQO GQG GQO GQG Specifications Fluids Controlled Air, water, hydraulic oils, gases, steam (depending on the model) Connection G/ (BSP) female, / NPTF, or / - NPT Weight (approximate) Type : lb (. kg); Open:. lb (.) Voltage Limits V Continuous Current A Electrical Connections / conduit entry, unthreaded Standards/Ratings CE, IEC.., UL, CSA - Temperature Ratings Minimum Maximum Ambient C ( F) + C (+ F) Diaphragm C ( F) Media Piston C ( F) + C (+ F) All with Form Q C ( F) Operating Curves Contact Blocks SPDT form C contacts Acceptable Wire Sizes: Adjustable Differential AWG Rising Max. Differential Min. Differential () Determines the operating point on rising pressure. Recommended Terminal Clamp Torque: lb-in Available Modifications for G Open Type or NEMA Type Enclosure UL Listed and CSA Certified as Industrial Control Equipment Modification Applies to Form Standard Buna-N Nitrile diaphragm in # stainless steel housing GNG, GNO, GPG, GPO, GRG, GRO, GSG, GSO Q Ethylene propylene diaphragm in # stainless steel housing Viton uorocarbon diaphragm in # stainless steel housing Not available on GNG, GNO, GRG, GRO. Available on all other GNG, GNO, GPG, GPO, GRG, GRO, GSG, GSO GNG, GNO, GPG, GPO, GRG, GRO, GSG, GSO ¼- NPT external thread pressure connection GNG, GNO, GRG, GRO Z ½- NPT external thread, ¼- NPTF internal thread pressure connection. Standard actuator only. - UNF-B internal thread pressure connection GNG, GNO, GRG, GRO GNG, GNO, GPG, GPO, GQG, GQO, GRG, GRO, GSG, GSO, GTG, GTO Q Q Z Z This document provided by Barr-Thorp Electric Co., Inc. -- /

163 G and G Industrial pressure and vacuum switches G vacuum switches Selection and Specifications G Vacuum Switches GAW GAR GAW Switches for Sensitive Control Applications GAW vacuum switches have double throw contacts. Normally open and normally closed circuits allow the use of these controls for standard or reverse action applications. Standard controls can be mounted from the front using the bracket provided. Two mounting screws are required for rm attachment to any smooth, at surface. Allowance must be made for ange projection. Controls with the Form F modification include two mounting feet with / mounting holes on / in. centers. The Range and Differential adjustments are accessed by removing the front cover. Maximum allowable positive pressure: psig. Diaphragms are oil resisting, nitrile butadiene rubber (Buna-N). For electrical ratings and temperature limitations, see table on page /. For dimensions and modi cations, see page /. GAW Vacuum Switch for Control Applications, Diaphragm Actuated Range on Decreasing Vacuum (inhg) Adjustable Differential Adds to Range () (inhg) Class Type NEMA Enclosure Minimum Mid-Range Contact Arrangement Pipe Tap (NPTF), X & Type &.... N.O. N.C. ¼- GAW GAR N.O. N.C. ¼- GAW N/A... N.O. N.C. ¼- GAW GAR N.O. N.C. ¼- GAW N/A Specifications Fluids Controlled Air, water, hydraulic oils, gases, steam (depending on the model) Connection G/ (BSP) female, / NPTF, or / - NPT Weight (approximate) Type, X, and : lb (. kg); Type & : lb (. kg) Voltage Limits V Continuous Current A Electrical Connections / - NPTF, PG., or ISO M (also / - NPTF on NEMA & only) Standards/Ratings CE, IEC.., UL, CSA - Temperature Ratings Minimum Maximum Ambient C ( F) + C (+ F) Diaphragm C ( F) Media Piston C ( F) + C (+ F) All with Form Q C ( F) Operating Curves Contact Blocks Connection Form H Rising Adjustable Differential Max. Differential Min. Differential N.O., N.C. N.O., N.C. SPDT snap switches contain two double-break contact elements ( N.O., N.C.) that must be used on circuits of the same polarity. DPDT snap switch contain two electrically separated sets of contact elements allowing use on circuits of opposite polarity. Each set contains two double-break contact elements ( N.O., N.C.) that must be used on circuits of the same polarity. Same Polarity Same Polarity Same Polarity Red LED Black Form H ORG BLK White Blue Brown Black WHT GRN RED Form H ORG BLK Acceptable Wire Sizes: AWG Recommended Terminal Clamp Torque: lb-in () Add the Differential to the Range to obtain the operating point on increasing vacuum (within vacuum limitations). The differential increases linearly over the range. The minimum differential doubles with NEMA Type & enclosures. WHT RED GRN File E Haz Loc File E File E CCN NOWT (GAR) CCN NKPZ (GAW) CCN NTHT Marine Use (GAW) File LR Class Type GAW only File LR Type GAR only (NEMA and Haz. Loc.) / This document provided by Barr-Thorp Electric Co., Inc. --