Operating Instructions

Transcription

1 Operating Instructions Load and Motor Switch, Load-Break Switch > 8544/1

2 Contents 1 Contents 1 Contents General Information General Safety Instructions Designated Use Technical Data Transport, Storage and Disposal Assembly Installation Putting into Service Maintenance Accessories and Spare Parts General Information 2.1 Manufacturer R. STAHL Schaltgeräte GmbH Am Bahnhof Waldenburg Germany Phone: Fax: Internet: Operating Instructions Information ID-No.: Publication Code: We reserve the right to make technical changes without notice. 2.3 Symbols Used Action request: Describes actions to be carried out by the user. Reaction sign: Describes the results or the reactions to the actions taken. X Bullet Sentinel: Describes the notes and recommendations. Warning sign: Danger due to an explosive atmosphere! 2 Load and Motor Switch,

3 General Safety Instructions 3 General Safety Instructions 3.1 Safety Instructions for Assembly and Operating Personnel The operating instructions contain basic safety instructions which are to be observed during installation, operation and maintenance. Non-observance will endanger persons, plant and the environment. Danger due to unauthorised work being performed on the device! There is a risk of injury to persons and damage to equipment. Assembly, installation, commissioning, operation and maintenance must only be performed by personnel who are both authorised and suitably trained for this purpose. Risk due to small clearances and short creepage distances! Observe the clearances and creepage distances according to IEC/EN during installation. Before assembly/commissioning: Read through the operating instructions. Give adequate training to the assembly and operating personnel. Ensure that the contents of the operating instructions are fully understood by the personnel in charge. The national installation and assembly regulations (e.g. IEC/EN ) apply. When operating the devices: Ensure the operating instructions are made available on location at all times. Observe safety instructions. Observe national safety instructions and accident prevention regulations. Only run the device according to its performance data. Servicing/maintenance or repair work which are not described in the operating instructions must not be performed without prior agreement with the manufacturer. Any damage may render explosion protection of the device null and void. No changes to the device impairing their explosion protection are permitted. Install and use the device only if it is undamaged, dry and clean. If you have questions: Contact the manufacturer. 3.2 Warnings Warnings are sub-divided in these operating instructions according to the following scheme: Type and source of the danger! Possible consequences. Measures to avoid danger. They are always identified by the signalling word and sometimes also have a symbol which is specific to the danger involved. Load and Motor Switch, 3

4 Designated Use 3.3 Conformity to Standards The device complies with the following standards and regulations: ATEX/IECEx: X Directive 94/9/EC X IEC/EN , IEC/EN , IEC/EN X IEC/EN , IEC/EN , IEC/EN , EN NEC/CEC: X ANSI/ISA , CSA-C22.2 E X ANSI/ISA , CSA-C22.2 E X ANSI/ISA , CSA-C22.2 E X ANSI/UL 489, C 22.2 No.5-02 X ANSI/UL 508, C 22.2 No X ANSI/NEMA 250, IEC Designated Use The load and motor switch 8544/1 is an explosion-protected electrical device in a flameproof enclosure. It is used for the separation or activation of electrical circuits in hazardous areas of zone 1, zone 2 or in the safe area. For installation in hazardous areas, the load and motor switch must be fitted into an enclosure of the ignition protection type "increased safety" or into an enclosure which corresponds to the requirements according to IEC/EN Design and function The load and motor switch 8544/1 is available in the versions 8544/1-3. (3 poles) and 8544/1-4. (3 poles + N). The switches are actuated only by means of an actuator insert from R. STAHL acc. to accessories table which is connected to the switch by means of a selector shaft The actuator insert is fitted into the wall or into the cover of the enclosure and can be equipped with an optional cover lock. For the installation of the switch in enclosures of different height, selector shafts of different lengths can be used. Auxiliary contacts To reach a switch with 6 poles, two switches with 3 poles can be connected by means of a parallel drive. In the scope of NEC/CEC, this option is not permitted. Up to two certified contact elements of the type 8080/1 can be mounted to the load and motor switch 8544/1. The switching function of the contact elements is defined by the contact version and their position in the load and motor switch (left-hand: delayed (ON), advanced (OFF); right-hand: synchronising). 4 Load and Motor Switch,

5 Technical Data Use the device for its intended purpose only! Otherwise, the manufacturer s liability and warranty expire. Only use the device under the operating conditions described in the operating instructions. The device must be used in areas subject to explosion hazards only according to these operating instructions. 5 Technical Data Explosion protection Gas explosion protection ATEX IECEx NEC CEC Certificates ATEX IECEx NEC/CEC E II 2 G Ex d e IIC Gb E I M 2 Ex d e I Mb Ex d e IIC Gb Ex d e I Mb Class I, Zone 1, AEx de IIC T6 Class I, Div. 2, Groups A, B, C, D T6 Class I, Zone 1, Ex de IIC T6 Class I, Div. 2 per CEC J PTB 08 ATEX 1060 U IECEx PTB U Main contacts Rated isolation voltage 800 V Rated operational voltage ATEX/IECEx 690 V AC, 50 / 60 Hz NEC/CEC 600 V AC Rated operational current max. 80 A Switching capacity ATEX/IECEx acc. to IEC/EN : AC-3 DC-23 DC V, 63 A 220 V, 80 A 3) 220 V, 80 A 3) 500 V, 80 A 120 V, 80 A 2) 120 V, 80 A 2) 60 V, 80 A 1) 60 V, 80 A 1) 1) 1 flow path of current 2) 2 flow paths of current connected in series 3) 3 flow paths of current connected in series NEC/CEC Rated voltage up to AC-ratings DC-ratings 600 V 480 V 240 V 120 V 240 V 3) 125 V 2) 62.5 V 1) Rated current up to 63 A 80 A 1) 1 flow path of current 2) 2 flow paths of current connected in series 3) 3 flow paths of current connected in series Load and Motor Switch, 5

6 Technical Data Main contacts Motor switching capacity ATEX/IECEx NEC/CEC 690 V 500 V 400 V 240 V 55 kw 55 kw 37 kw 22 kw Rated voltage up to AC-ratings DC-ratings 600 V 480 V 240 V 120 V 240 V 125 V 62.5 V Horse Power n/a Short-circuit 20 ka Back-up fuse - Class J (150 A Max. short circuit protection ATEX/IECEx 160 A, tripping characteristic: gg according to IEC/EN NEC/CEC 150 A, Fuse-Class J according to UL Short circuit protection 20 ka (IEC/EN ; UL 489) Type of assignment 2 (according to IEC/EN ) Rated short-time 2.2 ka (IEC/EN ) withstand current Icw Max. power dissipation 3.8 W per path Service life Mechanical switching cycles Electrical switching cycles Connection cross-section Main terminals Conductor connection: one conductor, mm 2 (AWG AWG 8) only with insertion prism finely stranded stranded: mm 2 (AWG 6... AWG 1/0) finely stranded: mm 2 (AWG 6... AWG 1/0) Alligator clips ATEX/IECEx NEC/CEC Tightening torque Main terminals Alligator clips Auxiliary contacts with cable lug: max. 50 mm 2 (max. AWG 1/0) The degree of protection IP2X is not reached! *) Only conductors with the same cross-section are allowed! **) Conductors with different cross-sections are allowed! For cross-sections < 25 mm 2 / AWG 4, the degree of protection IP20 is not reached! Conductor connection: one conductor, mm 2 (AWG AWG 8) finely stranded If several conductors must be connected (only conductors with the same cross-section): one conductor, max. 2 x 6 mm 2 (max. 2 x AWG 10) finely stranded Conductor connection: one conductor, AWG AWG 6 finely stranded If several conductors must be connected (only conductors with the same cross-section): one conductor, Not permitted! finely stranded 5 Nm Nm 0.4 Nm with clamping plate and insertion prism Connection using several conductors (only within ATEX/IECEx permitted): one conductor, 2 x 6 mm 2 (AWG 10) *) only with insertion prism finely stranded one or more 2 x 10 mm x 16 mm 2 conductors, (2 x AWG x AWG 6) *) finely stranded: with cable lug: max. 2 x 50 mm 2 with clamping plate and (max. 2 x AWG 1/0) **) insertion prism 6 Load and Motor Switch,

7 Technical Data Auxiliary contacts Possible auxiliary contacts max. 2 auxiliary contact blocks of type 8080/1 8080/1-1: slow-action contacts, 1 NC + 1 NO, (normally open contact opens > 20 ms before opening of the main contact) 8080/1-3: slow-action contacts, 2 NC 8080/1-4: slow-action contacts, 2 NO Switching capacity AC-12 AC-15 DC / / /1-4 max. 250 V max. 500 V **) max. 6 A max VA **) Only for equal potential NEC/CEC 250 V AC Rated operational current ATEX/IECEx 6 A NEC/CEC 10 A Short-circuit protection 10 A, tripping characteristic: gg according to IEC/EN Connection cross-section ATEX/IECEx mm 2 (AWG AWG 14), solid, finely stranded NEC/CEC AWG AWG 12 Material Switching chamber epoxy resin Upper enclosure parts PA Contacts silver stannic oxide Weight 3-pole: 2.2 kg 3-pole + N: 2.8 kg Degree of protection IP20 (IEC/EN 60529, finger touch-safe from the top) Switching torque approx. 3.5 Nm Ambient temperature ATEX/IECEx 8544/1-.1: C 8544/1-.2: C depending on the rated operational current and the temperature class: 80 A 63 A T6 T a ( 60 C T6 T a ( 60 C T5 T a ( 75 C T5 T a ( 75 C T4 T a ( 80 C NEC/CEC T6: C Installation position arbitrary max. 250 V max. 400 V **) max. 6 A max VA 8080/ / /1-4 max. 250 V max. 500 V **) max. 6 A max VA max. 250 V max. 400 V **) max. 6 A max VA 8080/1-. max. 125 V max. 6 A max. 400 W Load and Motor Switch, 7

8 Technical Data Schematic Main contacts E E Auxiliary contacts mounted in left mounting slot 14144E mounted in right mounting slot 14825E E E E E E00 1) load-shedding contact (delayed ON, advanced OFF, acc. to IEC/EN ) 14148E00 Dimensional Drawings (All Dimensions in mm) - Subject to Alterations SW A A 5, , SW E /1, 3 pole 8544/1, 3 pole + N 12430E00 8 Load and Motor Switch,

9 Technical Data Dimensional Drawings (All Dimensions in mm) - Subject to Alterations A 99 Dim. "A" Mounting kit Selector Installation in enclosure shaft mm 8544A mm 8146/...5 and 8125/ mm 8544A mm 8146/...3 and 8125/ mm 8544A mm 8146/ , SW /1, 3 pole + N + PE Load and Motor Switch, 9

10 Transport, Storage and Disposal 6 Transport, Storage and Disposal Transport Shock-free in its original carton, do not drop, handle carefully. Storage Store in a dry place in its original packaging Disposal Ensure environmentally friendly disposal of all components according to the legal regulations. 7 Assembly Risk due to missing or insufficient enclosure! If the enclosure is missing or insufficient, there is no explosion protection! If the switch is to be used in hazardous areas, it must be fitted into a certified enclosure of the ignition protection type "Increased safety". 7.1 Drilling of the assembly bore holes Single switch When drilling the assembly holes, always observe the centre of the selector shaft (Z) ) 42 2) M6 1) M5 1) Assembly holes 8543 (old) 2) Assembly holes 8544/1, 3 pole 3) Assembly holes 8544/1, 3 pole + N or 3 pole + PE terminal 4) Assembly holes 8544/1, 3 pole + N + PE terminal or 3 pole + N terminal + PE terminal Z 90 oder 94 1) ) 21 3) 12432E00 Fig. 7-1: Drill pattern for a switch Drill 4 threaded holes M5 in the mounting plate. 10 Load and Motor Switch,

11 Two switches with parallel drive (only within ATEX/IECEx permitted) Assembly When drilling the assembly holes, always observe the centre of the selector shaft of the parallel drive (Z). 2) ) M5 Z E00 1) Assembly holes 8544/1, 3 pole 2) Assembly holes 8544/1, 3 pole + N or 3 pole + PE terminal Fig. 7-2: Drill pattern for two switches with parallel drive Drill 6 threaded holes M5 in the mounting plate. Load and Motor Switch, 11

12 Assembly 7.2 Mounting a PE terminal and/or N terminal (option) An N terminal and/or a PE terminal can be optionally mounted on the switch 8544/1, 3 pole. A PE terminal can be optionally mounted on the switch 8544/1, 3 pole Fig. 7-3: Installation of the terminal on the left side of the switch Installation of the terminal on the left side of the switch Attach the PE terminal or N terminal (1) on the dovetail (2) from the top. Insert the cover (3) from the left side until it engages into the cover of the switch (4). Fasten the cover by means of 2 mounting screws (5) and tighten them with 2.5 Nm on the terminal. Installation of the terminal on the right side of the switch Place the switch (4) on the dovetail of the PE terminal or the N terminal (1) from the top. Insert the cover (3) from the right side until it engages in the cover of the switch. Fasten the cover by means of 2 mounting screws (5) and tighten them with 2.5 Nm on the terminal. 7.3 Mounting the auxiliary contact (option) Risk due to small clearances and short creepage distances! Do not operate the Ex i auxiliary contacts without attached cover! The customer is only allowed to install an intrinsically safe auxiliary contact if no alligator clips are mounted on the two terminals located on the left and right side of the respective mounting slot! Before mounting an auxiliary contact, the cover must be removed. The IP protection of the switch, IP 20 (finger touch-safe), remains active even if the cover is removed. The switching function of the auxiliary contact depends on the mounting slot used (left-hand: delayed (ON), advanced (OFF); right: synchronising) E00 12 Load and Motor Switch,

13 Assembly 1 3 CLICK 2 Fig. 7-4: Mounting the auxiliary contact Carefully remove the cover (1) of the mounting slot (3) using a screwdriver or a knife. Carefully insert the auxilary contact (2) into the mounting slot until it engages. Paste the circuit diagram indicating the respective switching function to the rating plate of the switch. Mounting the cover for Ex i auxiliary contact 12435E00 4 Fig. 7-5: Mounting the cover for Ex i auxiliary contact Attach the cover (4) from the top on the auxiliary contact until it engages into the lug E00 Load and Motor Switch, 13

14 Assembly 7.4 Mount the selector shaft(s) Single switch The length of the selector shaft depends on the height of the enclosure (see tab. 7-1). The selector shaft must be ordered separately. Size Length for enclosure Xmin Xmax Order number 1 52 mm 8125/...2, 8146/ A mm 8125/...3, 8146/ A mm 8125/...5, 8146/ A Tab. 7-1: Selector shaft X Tab. 7-6: Selector shafts 12437E E00 Abb. 7-7: Mounting the selector shaft Insert the spring (2) and the selector shaft (1) into the switch. Press the dowel pin (3) carefully in using pliers. 14 Load and Motor Switch,

15 Assembly Two switches with parallel drive (only within ATEX/IECEx permitted) The parallel drive must be ordered separately E00 Fig. 7-8: Mounting the selector shafts Insert the selector shaft (1) into the switch. Press the dowel pin (2) carefully in using pliers. 7.5 Mount the switch on the mounting plate Single switch Fasten the switch on the mounting plate by means of 4 screws M5 with 1.8 Nm. Two switches with parallel drive Plug the left switch vertically on the dovetails of the right switch. Fasten the switch on the mounting plate by means of 6 screws M5 with 1.8 Nm. Load and Motor Switch, 15

16 Assembly 7.6 Mount the parallel drive Risk due to loose conductors! The connected wires of the mounted auxiliary contacts are located near the parallel drive. Lay the wires in a way that they do not come into contact with the parallel drive! Fig. 7-9: Mounting the parallel drive Before installation of the parallel drive (1), make sure that both switches are in zero position. Place the parallel drive (1) and the washers (2) on the selector shafts of the switch, as shown in fig Tighten the nuts M6 (3) with 4.5 Nm. 7.7 Mount the enclosure cover with actuator insert Place the enclosure cover with mounted actuator insert from R. STAHL acc. to accessories table vertically on the enclosure/shaft. Tighten the mounting screws of the enclosure cover E00 16 Load and Motor Switch,

17 Installation 8 Installation Incorrectly installed components! Explosion protection cannot be guaranteed any more if the components are installed incorrectly. Carry out the installation in strict accordance with the instructions and national safety and accident prevention regulations (e.g. IEC/EN ). Fit the terminal sleeves using a suitable tool, if necessary. Be especially careful when connecting the cable. The conductor insulation must reach to the terminal. The conductor itself must not be damaged when removing the insulation. Select the cables and the mode of running them in a way that the maximum permitted cable temperature is not exceeded. Always connect the earth lead. Observe the tightening torque of the terminals. 8.1 Mains connection of load and motor switches Cable connection to main terminal Allowed cross-section diameters, see "Technical Data". Remove the insulation from the conductor. Insert the conductor into the main terminal and make sure that the conductor outside the terminal is completely isolated. Tighten the mounting screw of the main terminal with 5 Nm. Cable connection to main terminal using an insertion prism Allowed cross-section diameters, see "Technical Data". Remove the insulation from the conductor. Remove the protective foil from the insertion prism and paste the insertion prism into the main terminal. Insert the conductor into the main terminal and make sure that the conductor outside the terminal is completely isolated. Tighten the mounting screw of the main terminal with 6 Nm. Load and Motor Switch, 17

18 Installation Cable lug connection Danger due to live metal parts! If a cable lug connection is used, the live metal parts are located outside the switch. Make sure that the protection against accidental contact are mounted on the switch! Danger due to twisted cable lug connection! Due to mechanical load of the cable, the cable lug connection may be twisted on the clamping plate. The protection against accidental contact guarantees the anti-twist protection. Use the switch with mounted protection against accidental contact or separate anti-twist protection only! Danger due to live metal parts if only one conductor or conductors with a small cross-section are mounted! If only one conductor or at least one conductor with a cross-section ( 25 mm 2 / AWG 4 is used, it is possible to come into contact with live metal parts even if the protection against accidental contact is mounted since the openings of the protection are not completely sealed. To reach the ingress protection IP20, a suitable cover has to be attached in addition to the protection against accidental contact. Allowed cross-section diameters, see "Technical Data" Fig. 8-1: Cable lug connection Remove the protective foil from the insertion prism (6) and paste the insertion prism into the main terminal (7). Insert the clamping plate (5) into the main terminal (7) and tighten the mounting screw of the main terminal (1) with 5 Nm. Place the conductor with ring terminal (4) and lock washer (3) on the screw of the clamping plate and tighten it by means of the nut (2) (5 Nm) E00 18 Load and Motor Switch,

19 Installation 8 Fig. 8-2 Mount the protection against accidental contact Attach the protection against accidental contact (8) on the main terminal, the clamping plate and the conductor. The disassembly is carried out in reverse order. Cable connection to alligator clip Danger caused by too short clearances and creepage distances! The customer must not install alligator clips directly besides the intrinsically safe auxiliary contacts! Danger due to alligator clips that get loose! If the alligator clips are only engaged in the main terminal, they may become loose when they are under tension If they are used in hazardous areas, the mounting screws of the main terminal must be tightened to clamp the alligator clip in a safe way. Allowed cross-section diameters, see "Technical Data" E00 Load and Motor Switch, 19

20 Installation 3 2 CLICK Fig. 8-3: Connecting the alligator clip Remove the cover (1) from the main terminal using a screwdriver. Insert the alligator clip (4) until it engages into the contact. Tighten the mounting screw of the main terminal (3) with 5 Nm. Remove the insulation from the conductor (5). Insert the conductor into the alligator clip and make sure that the conductor outside the terminal is completely isolated. Tighten the mounting screws of the alligator clip (2) with Nm. 8.2 Earth connection Connect the earth conductor to the PE terminal. 8.3 Mains connection of auxiliary contacts Non-intrinsically safe auxiliary contacts Allowed cross-section diameters see "Technical Data". Remove the insulation from the conductor. Insert the conductor into the terminals and make sure that the conductor outside the terminal is completely isolated. Tighten the mounting screws of the terminals with 1.5 Nm. Lay the conductor in the lateral cable duct in order to avoid a crosswise wiring of the auxiliary electric circuits to the main circuits E00 20 Load and Motor Switch,

21 Putting into Service Intrinsically safe auxiliary contacts Danger caused by too short clearances and creepage distances! Do not operate the Ex i auxiliary contacts without attached cover! The customer is only allowed to install an intrinsically safe auxiliary contact if no alligator clips are mounted on the two terminals on the left and right side of the respective mounting slot. The customer must not install alligator clips directly besides the intrinsically safe auxiliary contacts! Allowed cross-section diameters see "Technical Data". 2 1 Fig. 8-4: Mains connection of intrinsically safe auxiliary contacts Remove the insulation from the conductor. Insert the conductor into the terminals and make sure that the conductor outside the terminal is completely isolated. Tighten the mounting screws of the terminals with 1.5 Nm. Insert the conductor into the cable duct (1) of the cover and fasten it by means of the lug (2). Lay the conductor on the side of the switch in order to avoid a crosswise wiring of the auxiliary electric circuits to the main circuits. 8.4 Back-Up Fuse Provide suitable back-up fuses, see chapter 5 "Technical Data". 9 Putting into Service Before commissioning Check if cables and lines are clamped properly. Check the torques. Ensure that the connection has been correctly made. Ensure that all screws and nuts are fully tightened E00 Load and Motor Switch, 21

22 Maintenance 10 Maintenance Risk due to unauthorised work being performed on the device! Risk of injury and damage to equipment. Assembly, installation, commissioning and servicing work must only be performed by personnel who are both authorised and suitably trained for this purpose. Danger from energised parts! Risk of severe injuries. All connections and wiring must be disconnected from the power supply. Secure the connections against unauthorised activation. Short-circuit in the main circuit Contacts may be damaged. Replace the switch after each short circuit in the main circuit (the element is hermetically sealed and the state of the switching contacts cannot be checked) Regular Maintenance Work Consult the relevant regulations (e.g. IEC/EN ) to determine the type and extent of inspections. Plan the intervals so that any defects in the equipment which may be anticipated are promptly detected. Separate plugs and sockets at regular intervals to prevent contact corrosion To check as part of the maintenance schedule: X Check if the cables are clamped properly. X Check that cable entries are tight X Check the state of the cable entries X Check the seals for damage. X Inspect the device for signs of visible damage. X Compliance with the permitted temperatures. X Make sure that the device is used according to its designated use 10.2 Cleaning X Clean with a cloth, brush, vacuum cleaner or similar items. X When cleaning with a damp cloth use water or mild, non-abrasive, non-scratching cleaning agents. X Never use aggressive cleaning agents or solvents. 22 Load and Motor Switch,

23 Accessories and Spare Parts 11 Accessories and Spare Parts Use only original spare parts as well as original accessories made by R. STAHL Schaltgeräte GmbH. Designation Illustration Description Art. no. Weight kg Selector shaft 52 mm for 8146/ mm for 8146/...3 or 8125/ mm for 8146/...5 or 8125/ Auxiliary contact Designation labels Alligator clip 12445E E E00 2 NC contacts (8080/1-3) 2) NC contact + 1 NO contact (8080/1-1) 1) NO contact (8080/1-4) 2) The switching function of the auxiliary contact depends on the installation slot used. 1) left: delayed (ON), advanced (OFF); right: synchronising 2) left and right: synchronising qr: 1 10 pieces qr: 2 10 pieces qr: 3 10 pieces qr: 4 10 pieces qr: 5 10 pieces qr: 6 10 pieces qr: N 10 pieces qr: PE 10 pieces AGK 10-UKH E00 Connection for cable lug Mounting kit for the connection of conductors with cable lug E00 Insertion prism 12450E00 for connection of conductors with cross-sections ( 10 mm 2 (conductor connection) or ( 6 mm 2 (connection of several conductors) to the main terminals Ex i separation body to ensure the required distance of 50 mm between the connection points of intrinsically safe and non-intrinsically safe circuits PE/N terminal 12451E00 for subsequent assembly E00 Parallel drive to actuate simultaneously 2 combined load and motor switches E00 Load and Motor Switch, 23

24 Accessories and Spare Parts Designation Illustration Description Art. no. Weight kg Auxiliary contact key for removing the mounted auxiliary contact Knob lever 14151E E E E E00 d mm; can be padlocked in 0 position using max. 3 padlocks Handle: black 8604A Protective collar: black Designation label: 0/OFF - I/ON Handle: red 8604A Protective collar: yellow Designation label: 0/OFF - I/ON Handle: red 8604A Protective collar: black Designation label: 0/OFF - I/ON d mm; can be padlocked in 0 position using max. 3 padlocks for safety switch; cover can only be removed in I/ON position! Handle: black 8604A Protective collar: black Designation label: 0/OFF - I/ON Handle: red 8604A Protective collar: yellow Designation label: 0/OFF - I/ON Handle: red 8604A Protective collar: black Designation label: 0/OFF - I/ON for switch with 6 poles: d 180 mm; can be padlocked in 0 position using max. 3 padlocks handle: black 8604A protective collar: black designation label: 0/OFF - I/ON handle: red 8604A protective collar: yellow designation label: 0/OFF - I/ON handle: red 8604A protective collar: black designation label: 0/OFF - I/ON for switch with 6 poles: d 180 mm; can be padlocked in 0 position using max. 3 padlocks for safety switch; cover can only be removed in I/ON position! handle: black 8604A protective collar: black designation label: 0/OFF - I/ON handle: red 8604A protective collar: yellow designation label: 0/OFF - I/ON handle: red 8604A protective collar: black designation label: 0/OFF - I/ON Load and Motor Switch,