3SE3 1 SIGUARD Position Switches

Transcription

1 3SE3 SIGUARD Position Switches Metal-enclosed, with Moulded Cable Description Technical data Description In harsh industrial environments and in installations with limited space, the small 3SE3 6 and 3SE3 8 compact switches are ideal. The switches are already equipped with a moulded cable of m in length and can therefore be installed in the smallest spaces. Both the housing and the head are made of metal and therefore meet the high IP 67 degree of protection. Various heads, in the form of roller plungers, overtravel plungers and roller cranks, are available. They can either be fitted with slowaction contacts or snap-action contacts. The NC contact complies in each case with the requirements for positive opening according to IEC The 3SE3 position switch with moulded cable is available in different sizes: The 3SE3 8 switch series has a 3 mm housing to the EU standard with drilled holes at a spacing of mm. The housing of the 3SE 6 series is 4 mm wide in accordance with the requirements of the US market with drilled holes at a spacing of 5 mm. Technical data Speed to 5 mm/s Switching frequency 3/minute Rated insulation voltage U i 5 V Conventional thermal current I th A Pollution degree Class 3 Ambient temperature -35 C to +85 C Mechanical endurance 6 operations Electrical endurance 5 operations Contact opening x.5 mm Connecting cable ( m) V5F-5 x.75 mm² (8 AWG); bn-bu: S, bk-bk: NC, ye/gy: V Degree of protection IP 67 contacts Degree of protection IP 67 3SE3.-C 3SE3.-D Actuator Enclosure with mm 3SE3 position switches with snap-action contacts number 3SE3 position switches with slow-action contacts number Overtravel plunger 3 3SE3 8-C 3SE3 8-C.3 4 3SE3 6-C 3SE3 6-C.33 (with M thread fixing) 3 3SE3 8-CJ 3SE3 8-CJ.3 4 3SE3 6-CJ 3SE3 6-CJ.34 Roller plunger 3 3SE3 8-D 3SE3 8-D.3 approx. kg 3SE3.-G 4 3SE3 6-D 3SE3 6-D.34 (with M thread fixing) 3 3SE3 8-DJ 3SE3 8-DJ.3 4 3SE3 6-DJ 3SE3 6-DJ.35 Roller crank 3 3SE3 8-G 3SE3 8-G SE3 6-G 3SE3 6-G.38 Contacts and travel Switch block Internal circuit diagram Terminal designation Nominal travel -line Ref. line acc. to EN 5 4 ** Positive opening acc. to IEC contact closed contact open Snap-action contacts NO + NC 3SE3. C., D. 3SE3. G Safety function according to IEC and DIN VDE 66 Part. Siemens NS K 8/4

2 3SE3, 3SE3 SIGUARD Position Switches Moulded-Plastic/Metal-Enclosed, with Separate Actuator Description. Application Safety position switches (limit switches) with separate are used where the position of doors, covers or safety screens must be monitored for safety reasons. For example, they are used together with 3TK8 backup combination units, up to safety category 4. Design The compact position switch can only be operated with the matching triple-coded. Simple overruling by hand or auxiliary devices is impossible. Positive opening The switch can be used in safety circuits due to the positive opening of the NC and positive closing of the NO contacts by pulling the. The position switch must not be used as an end stop. The with actuation from the side can be turned through 4 9. It cannot be interchanged with s of the standards switches. Contact reliability The moving contacts are designed as double break contacts (for 3SE...-8, as single break contacts). This increases the contact reliability even when the switch has to be operated with low voltages and currents, e. g. DC 5 V/ ma. The switching point of the snap action contacts is independent of the switching corrosion: Mounting dimensions when using the switch as a safety position switch is as follows: mm (moulded-plastic), 3 mm (metal-enclosed), or the switch has to be locked with a pin or has a stop fitted. The moulded-plastic safety position switches have mountings in accordance with EN 5 47 and the metalenclosed safety position switches have mountings in accordance with EN 5 4. Our scope of supply includes a SIGUARD position switch with separate outside of the standards but with the conventional points which these forms have. The matching of the economical mounting situation can be done by simply turning the head by 8, whereby each two ways make it possible to have four different operating directions. When used the switch has only one opening so that no external bodies can get into the switch, so that the switch operation is not influenced. The extraction force of the is 3 N or 5 N. The option of an with ball locating for this type allows the extraction force to be increased to N. The switch is available in two housings of the same width but different lengths with NC/ NO or NC. The switch is fitted by using two elongated or round holes (all have a clearance of 4 mm) and can be mounted from the front. Three Pg cable inlets allow different connection directions and wiring methods. Radius SIGUARD position switches with radius s are particularly suitable for rotatable protection devices. The movable actuation key allows even small radii to be approached. Breaking of the due to inaccurate approach is prevented. Approvals The 3SE3 moulded-plastic enclosed safety position switch and the 3SE3 metalenclosed safety position switch have been given an approval test certificate from the BIA (Berufsgenossenschaftliches Institut für Arbeitssicherheit) and the Schweizer Unfallversicherungsanstalt (SUVA). The 3SE3 43 and 3SE3 57 metal-enclosed safety position switches also have been given an approval test certificate from the BIA (Berufsgenossenschaftliches Institut für Arbeitssicherheit). Technical data Rated insulation U i 5 V Short-circuit protection ) DIAZED-fused Utilization category gl/gg 6 A, Characteristic quick response: A Mechanical endurance > 6 make-break operations Electrical endurance > 6 make-break operations with 3RH, 3RT 6, 3RT 7, 3RT 4 to 3RT 6 (3TH4, 3TF4 to 3TF43) contactors for AC-5 duty.5 6 make-break operations when interrupting I e / AC-5 at 3 V for DC-3 duty With DC, the contact endurance depends not only on the breaking current but also on the voltage, the circuit inductance and the speed of switching. No generally valid information can be given. Rated operational voltage U e AC 5 V, over AC 38 V only equal potential Conventional free-air thermal current I th A Rated operational current I e AC 4 to 6 Hz DC U e I e /AC- I e /AC-5 U e I e / DC- I e / DC-3 V A A V A A Cable entry 3SE3 Pg 3.5 3SE3 Pg 3.5 3SE3 57, 3SE Pg Ambient temperature 3SE3-3 to +85 C 3SE3-4 to +85 C Degree of protection DIN VDE 47 3SE3 IP 67 and IEC SE3, 3SE3 4, 3SE3 5 IP 67 Conductor cross-section 3SE3, 3SE3 max..5 mm², solid, max..5 mm², finely-stranded with end sleeve 3SE3 57, 3SE mm², solid or finely-stranded with end sleeve.5 - mm², solid or finely-stranded with end sleeve Mounting position any ) Without any welding acc. to DIN VDE 66 Part. 8/4 Siemens NS K

3 3SE3, 3SE3 SIGUARD Position Switches Moulded-Plastic/Metal-Enclosed, with Separate Actuator contacts Moving double-break contacts ) Actuation/Fixing Enclosure width Length of 3SE3 position switches with slow-action contacts 3SE3 position switches with slow-action contacts number number Wght. appr. mm mm Preferred type kg Moulded-plastic enclosed IP 65 3SE3 - Side actuation XX3 Mounting acc. to EN SE3 -XX3 3SE3-6XX3.8 Front-end actuation Mounting acc. to EN SE3 -XX4 3SE3-6XX4.8 3SX3 96 Actuator Standard 5 3SX SX SE3 - XX3 5 directions of approach 3 3SE3 -XX3 3SE3-6XX3.8 Mounting acc. to EN SX3 Actuator Standard 44 3SX3. With transverse fixing 36 3SX3. Radius 44 3SX3. 3SX3 Metal-enclosed IP 67 3SE3 - XX Side actuation Mounting acc. to EN SE3 -XX 3SE3-6XX.3 3SX3 97 3SX3 6 Actuator Standard 79 3SX With transverse fixing 79 3SX3 6.3 Radius (universal) 9 3SX SX3 3 See for operation, operating speed and travel on page 8/45. Safety function according to IEC and DIN VDE 66 Part. ) Supplied without. Siemens NS K 8/43

4 3SE3 SIGUARD Position Switches Moulded-Plastic Enclosed, with Separate Actuator 3 contacts Moving double-break contacts ) Actuation/Fixing Enclosure width Length of 3SE3 position switches with 3 slow-action contacts number 3SE3 position switches with slow-action contact Wght. app. number Wght. appr. mm Moulded-plastic enclosed IP 67 3SE3 43-XX Side and front-end actuation mm Preferred type kg kg Extraction force 5 N 5 3SE3 43-XX4.4 3SE3 57-6XX4. Extraction force 3 N 5 3SE3 43-XX.4 3SE3 57-6XX. With automatic ejection 5 3SE3 43-XX3.4 3SE3 57-6XX3. 3SX3 8 3SX3 8 Actuator Standard (r min. = 5 mm) Radius (universal) (r min. = 38 mm) Ball locating (up to N) 7 3SX SX3 8 3SX3 7 3SX3 7 Accessories Slit cover ( set = 3 units) 3SX3 33 See for operation, operating speed and travel on page 8/45. Safety function according to IEC and DIN VDE 66 Part. ) Supplied without. 8/44 Siemens NS K

5 3SE3, 3SE3 SIGUARD Position Switches Moulded-Plastic/Metal-Enclosed, with Separate Actuator Operation, operating speed and travel Actuator Operation by a separate bar Switch blocks Nominal travel Minimum and related terminals v max. max. operating speed direction of operation Radius operation: for all approach directions Internal circuit diagram Terminal designation contact closed contact open Operation in head; NC closed Separate operation Slow-action contacts perpendicular to end plunger axis operation Side 3SE3 -.XX3, -.XX4 operation v max. =.5 m/s force required in direction of operation on extraction N End operation, axial v max. = m/s number number Actuator a b Short 4 to to 69 Long 6 to to 89 Side and axial operation (4 9 ) 3SE3 -.XX3...,5 NSK-857a R min ,5 R min. number number N Side and axial operation 3SE3 43-.XX.., 3SE3 57-.XX.. number 3 N or 5 N number Side operation v max. = m/s 3SE3 -.XX number number N ) Radius operator: R min > 38 mm. ) Radius operator (universal): R min > 7 mm. Siemens NS K 8/45

6 3SE3 7, 3SE3 8 SIGUARD Position Switches Moulded-Plastic/Metal-Enclosed, with Tumbler Description Application Design Operation SIGUARD position switches with tumbler are exceptional, technically safe devices which restrict and prevent an unforeseen or intentional opening of protective doors, protective grilles or other covers as long as a dangerous situation is present (i. e. operation of moving parts after the machine has been switched off). The safety switch with tumbler basically has two main functions: Enabling the machine with closed and locked protective system Locking the machine with opened protective system. The separate operates in a similar way to the coding of a key and protects against manipulation. It transmits the locking force to the protection system and helps to monitor its position. In the standard version, the SIGUARD position switch locks by means of spring force and releases by means of electromegnetic force (closed-circuit principle). When a power failure occurs, it prevents components which are still rotating from opening. For emergency situations or in setup mode, the switch is equipped with an auxiliary release which is secured against unauthorized use either with a seal or lock. This means that release is still possible even when a power failure occurs. The second version offers locking by means of electroic force and release by means of spring force (open-circuit principle). This version has an advantage when it is important to get at components when a power failure has occured. SIGUARD position switches with tumblers are offered in mouldedplastic or metal housings. The contact arrangement can be selected with either contacts (fail-safe monitoring of the position of the s with positive opening NC contacts) or 4 contacts (additional monitoring of the or position of the protective doors). The mechanical design of the switches complies with the requirements of the fail-safe principle in accordance with EN 88, whereby it is not possible to close the NC contacts when the door is open. The operating mechanism with side actuation can be adjusted through 4 9. The switch is also accessible from the top. A universal radius is available for small actuating radii; the can be moved in all 4 directions. The s are not included in the scope of supply of the switch and must be ordered separately. Approvals The metal-enclosed SIGUARD position switches with tumbler have been awarded a test certificate from the BIA (Berufsgenossenschaftliches Institut für Arbeitssicherheit). The switches are approved for use with locking devices that accord to EN 88 and EN 9, Parts and. Technical data Rated insulation voltage U i Power consumption U s UC 5 V 5.5 W Short-circuit protection ) Utilization category gl/gg: 6 A, DIAZED-fuses Characteristic quick response: A Mechanical endurance 6 operating cycles Electrical endurance 6 operating cycles with 3RH, 3RT 6, 3RT 7, 3RT 4 to 3RT 6 (3TH4, 3TF4 to 3TF43) for AC-5 duty.5 6 operating cycles when interrupting I e / AC-5 at 3 V for DC-3 duty With DC, the contact endurance depends not only on the breaking current but also on the voltage, the circuit inductance and the speed of switching. No generally valid information can be given. Rated operational current I e AC 4 to 6 Hz DC U e I e /AC- I e /AC-5 U e I e / DC- I e / DC-3 V A A V A A Cable entry Pg 3.5 Ambient temperature -3 to +7 C Degree of protection acc. to IP 66 DIN VDE 47 and IEC 6 59 Conductor cross-section.5 mm², solid,.5 mm², finely stranded with end sleeves Mounting position any Rated operational voltage U e DC 4 V AC -3 V/AC 3 V 5/6 Hz Conventional free-air thermal current I th A ) Without any welding acc. to DIN VDE 66 Part. 8/46 Siemens NS K

7 3SE3 7 SIGUARD Position Switches Moulded-Plastic Enclosed, with Tumbler or 4 contacts Degree of protection IP 66 5 directions of approach Locking force N ) Tumbler Design 3SE3 7 position switches 3SE3 7 position switches 3SE3 7 position switches 3SE XX with slow-action contacts with slow-action contacts with slow-action contacts (position monitoring of ) (position monitoring of ) Position monitoring of Position monitoring of Spring actuated lock Magnetic field lock Standard with sealable aux. release Aux. release with lock suffix Rated operational voltage of solenoid DC 4 V AC 3 V AC V number number number acc. to EN 5 3 3SE3 76@-XX 3SE3 76@-8XX 3SE3 76@-7XX 3SE3 76@-XX 3SE3 76@-8XX 3SE3 76@-7XX 3SE3 75@-XX 3SE3 75@-8XX 3SE3 75@-7XX number acc. to EN 5 3 Tumbler Design 3SE3 7 position switches 3SE3 7 position switches with 4 slow-action contacts with 4 slow-action contacts Spring actuated lock Magnetic field lock number number Standard 3SE3 76@-3XX with sealable aux. release Aux. release with lock 3SE3 76@-3XX number 3SE3 76@-6XX 3SE3 76@-6XX 3SE3 75@-3XX 3SE3 75@-6XX number suffix Rated operational voltage of solenoid DC 4 V AC 3 V AC V 3SX3 6 3SX3 7 Actuator Standard 3SX3 6 Transverse fixing 3SX3 7 Radius 3SX3 3SX3 See for operation, operating speed and travel on page 8/5. Safety function according to IEC and DIN VDE 66 Part. Siemens NS K ) Supplied without. 8/47

8 3SE3 8 SIGUARD Position Switches Metal-Enclosed, with Tumbler or 4 contacts Degree of protection IP 66 5 directions of approach Locking force N ) 3SE XX Tumbler Design 3SE3 8 position switches 3SE3 8 position switches 3SE3 8 position switches with slow-action contacts with slow-action contacts with slow-action contacts (position monitoring of ) (position monitoring of ) Position monitoring Position moninet of toring of mag- Spring actuated lock Magnetic field lock Standard with sealable aux. release Aux. release with lock suffix Rated operational voltage of solenoid DC 4 V AC 3 V AC V number number number acc. to EN 5 3 3SE3 86@-XX 3SE3 86@-8XX 3SE3 86@-7XX 3SE3 86@-XX 3SE3 86@-8XX 3SE3 86@-7XX 3SE3 85@-XX 3SE3 85@-8XX 3SE3 85@-7XX number acc. to EN 5 3 Tumbler Design 3SE3 8 position switches 3SE3 8 position switches mit 4 slow-action contacts mit 4 slow-action contacts Spring actuated lock Magnetic field lock number number Standard 3SE3 86@-3XX with sealable aux. release Aux. release with lock 3SE3 86@-3XX number 3SE3 86@-6XX 3SE3 86@-6XX 3SE3 85@-3XX 3SE3 85@-6XX number suffix Rated operational voltage of solenoid DC 4 V AC 3 V AC V 3SX3 6 3SX3 7 Actuator Standard 3SX3 6 Transverse fixing 3SX3 7 Radius 3SX3 3SX3 See for operation, operating speed and travel on page 8/5. Safety function according to IEC and DIN VDE 66 Part. ) Supplied without. 8/48 Siemens NS K

9 3SE3 8 SIGUARD Position Switches Metal-Enclosed, with Tumbler Description Application SIGUARD position switches with tumbler are exceptional, technically safe devices which restrict and prevent an unforeseen or intentional opening of protective doors, protective grilles or other covers as long as a dangerous situation is present (i.e. operation of moving parts after the machine has been switched off). The safety switch with tumbler basically has two main functions: Enabling the machine with closed and locked protective system Locking the machine with opened protective system. Design The separate operates in a similar way to the coding of a key and protects against manipulation. It transmits the locking force to the protection system and helps to monitor its position. In the standard version, the SIGUARD position switch locks by means of spring force and releases by means of electroic force (closed-circuit principle). When a power failure occurs, it prevents components which are still rotating from opening. For emergency situations or in setup mode, the switch is equipped with an auxiliary release. This means that release is still possible even when a power failure occurs. The second version offers locking by means of electroic force and release by means of spring force (open-circuit principle). This version has an advantage when it is important to get at components when a power failure has occured. The SIGUARD position switches with tumbler meet the requirements of EN 5 4 with regard to their mounting dimensions. Operation The operating mechanism with side actuation can be adjusted through 4 9. A special, lengthened is included in the scope of delivery for the approach direction from the left. A universal radius is available for small actuating radii; the can be moved in all 4 directions. Optical signalling device The signalling device gives an optical indication of the position of the lock and of the protective device by means of LEDs in the enclosure (only in the case of contact arrangements NO/ NC + NO/ NC). Approvals The metal-enclosed SIGUARD position switches with tumbler have been awarded a test certificate from the BIA (Berufsgenossenschaftlichen Instituts für Arbeitssicherheit). The switch is approved for locking devices according to EN 88 and EN 9, Parts and. Protective Tumbler Indication Meaning device Closed Open Yellow and green Actuator free to be pulled Closed Closed Green Actuator locked Open Open Yellow Actuator pulled Technical data Rated insulation voltage U i UC 5 V Power consumption at U s 5. W Short-circuit protection ) DIAZED-fuses Utilization category gl/gg: 6 A, Characteristic quick response: A Mechanical endurance 6 operating cycles Electrical endurance 6 operating cycles with 3RH, 3RT 6, 3RT 7, 3RT 4 to 3RT 6 (3TH4, 3TF4 to 3TF43) contactors for AC-5 duty.5 6 operating cycles when interrupting I e / AC-5 at 3 V for DC-3 duty With DC, the contact endurance depends not only on the breaking current but also on the voltage, the circuit inductance and the speed of switching. No generally valid information can be given. Rated operational voltage U e DC 4 V AC -3 V/AC 3 V 5/6 Hz Conventional thermal current I th A Rated operational current I e AC 4 to 6 Hz DC U e I e /AC- I e /AC-5 U e I e / DC- I e / DC-3 V A A V A A Cable entry Pg 3.5 Ambient temperature -3 to +7 C Degree of protection acc. to DIN VDE 47 and IEC 6 59 IP 67 Conductor cross-section.5 mm², solid.5 mm², finely stranded with end sleeve Mounting position any ) Without any welding acc. to DIN VDE 66 Part. Siemens NS K 8/49

10 3SE3 8 SIGUARD Position Switches Metal-Enclosed, with Tumbler 4 contacts Moving double break contacts Degree of protection IP 67 Heavy duty version Locking force N ) 3SE XX Tumbler Design 3SE3 8 position switches NO + NC/ NC with 4 slow-action contacts number number Spring actuated lock Standard with sealable aux. release 3SE3 84@-XX Aux. release with lock 3SE3 84@-XX Magnetic field lock Standard 3SE3 83@-XX 3SE XX 3SE3 84.-XX NC/ NC number number Spring actuated lock Standard with sealable aux. release 3SE3 84@-6XX Aux. release with lock 3SE3 84@-6XX Magnetic field lock Standard 3SE3 83@-6XX NO + NC/ NO + NC number Spring actuated lock with optical signalling equipment number Sealable aux. release Aux. release with lock 3SE3 84@-XX 3SE3 84@-XX3 Magnetic field lock Standard 3SE3 83@-XX suffix Rated operational voltage of solenoid DC 4 V AC 3 V AC V with optical signalling equipment 3SE3 83@-XX 3SX3 97 3SX3 7 3SX3 6 Actuator Length of Standard 79 mm 3SX3 97 for approach from the 3 mm left 3SX3 7 with transverse fixing 5 mm 3SX3 6 Radius (universal) 8 mm 3SX3 3 3SX3 3 See for operation, operating speed and travel on page 8/5. Safety function according to IEC and DIN VDE 66 Part. ) Supplied without. 8/5 Siemens NS K

11 Actuator Operation with separate Switch block Nominal travel Minimum and related terminals force required in v max. max. operating speed Internal circuit diagram contact closed direction direction of operation contact open of operation With tumbler Side, axial actuation (4 9 ) Side actuation (4 9 ) 3SE XX.., 3SE XX.., 3SE XX.., 3SE XX ,5 3SE XX.., 3SE XX.. R min. 5 v max. =.5 m/s max. locking force: N, 5 s long ) NSK-857a 3SE3 SIGUARD Position Switches Moulded-Plastic/Metal-Enclosed, with Tumbler Operation, operating speed and travel Terminal designation Slow-action contacts number number number number number number number number number number number number number number Actuator in head; NC is closed N N ) Radius (universal): R min > 7 mm. ) If exceeded: Internal parts destroyed. Siemens NS K 8/5