1 contact actuation position per direction. Page 5/ contact actuation position per direction _1. Page 5/124

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1 Presentation Osiswitch Classic For hoisting and mechanical handling applications, types XCR and XCK MR For conveyor belt shift monitoring, type XCR T b XCR v With head for rotary movement operators, spring return to off position contact actuation position per direction 0 Page / v With head for rotary movement operators, stay put contact actuation position per direction 00_ b XCK MR Page / v With head for rotary movement operators, stay put contact actuation positions contact per position: + 0, + 0, - 0 and _ Page /0 b XCR T v With head for rotary movement operators, spring return to off position contact actuation positions per direction actuated at 0, other contact actuated at 0 Page / /

2 General characteristics Osiswitch Classic For hoisting and mechanical handling applications, types XCR and XCK MR For conveyor belt shift monitoring, type XCR T Environment characteristics Conforming to standards Products IEC/EN 0--, VDE (CSA C- n for XCR), CCC (for XCR) Machine assemblies IEC/EN 00-, NF C -0 Product certifications Standard version XCR A, B, E, F: CSA A00 Special version XCR A, B, E, F: CSA A00, / NPT Protective treatment Standard version TC Ambient air temperature Operation C Storage C (+ C for XCK MR) Vibration resistance XCR: gn (0 00 Hz), XCK MR: gn (0 00 Hz) conforming to IEC 00-- Shock resistance XCR A, B, E, F: gn, XCR T: 0 gn ( ms), XCK MR: 0 gn conforming to IEC 00-- Electric shock protection Class I conforming to IEC 0 and NF C 0-00 Degree of protection XCR A, B, E, F: IP conforming to IEC 0 ; IP conforming to NF C 0-00 XCR T: IP conforming to IEC 0 ; IP conforming to NF C 0-00 XCK MR: IP conforming to IEC 0 ; IP conforming to NF C 0-00 Enclosure XCR and XCK MR: metal, except XCR T: polyester Cable entry XCR: tapped entry for n (Pg.) cable gland XCK MR: tapped entries for n (Pg.) cable gland or tapped M0 x. Contact block characteristics Rated operational characteristics a AC- ; A00 (Ue 0 V, Ie A) c DC- ; XCR: Q00 (Ue 0 V, Ie 0. A), XCK MR: Q0 (Ue V, Ie 0. A), conforming to IEC 0-- Appendix A, EN 0-- Rated insulation voltage Ui 00 V degree of pollution conforming to IEC 0- and VDE 00, group C conforming to NF C 0-00 Ui 00 V conforming to UL 0, CSA C- n Rated impulse withstand voltage U imp kv conforming to IEC 0-, IEC 0 Positive operation (Depending on model) N/C contacts with positive opening operation to IEC 0-- Section, EN 0-- (contacts of XCK MR) Resistance across terminals mω conforming to NF C -00 method A or IEC 0- category Short-circuit protection 0 A cartridge fuse type gg (gl) Cabling Screw clamp terminals XES P: Clamping capacity, min: x 0., max: x. XEN P: Clamping capacity, min: x 0., max: x. XCR T contacts: Clamping capacity, min: x 0., max: x. XCK MR contacts: Clamping capacity, min: x 0., max: x. or x. Minimum actuation speed Electrical durability a.c. supply a 0/0 Hz inductive circuit XES P and XCR T contacts: 0.0 m/minute, XEN P and XCK MR contacts: m/minute b Conforming to IEC 0-- Appendix C b Utilisation categories AC- and DC- b Maximum operating rate: 00 operating cycles per hour b Load factor: 0. XES P XEN P Millions of operating cycles 0, 0 V 0/00 V V V Ithe Millions of operating cycles 0, 0, 0 V // V 0 V Ithe 0, 0, 0 Current in A XCR T contacts Millions of operating cycles Ithe / V 0 V V 0, 0, 0, 0 Current in A 0, 0 V 0, 0 Current in A d.c. supply c Voltage V 0 Power broken in W for XES P 0 million operating cycles XEN P W XCR T contacts 0 For XES P on a or c N/C and N/O contacts simultaneously loaded to the values shown with reverse polarity. 0 /

3 References, characteristics Osiswitch Classic For hoisting and materials handling applications, type XCR Complete switches with cable entry Type of head Rotary with spring return to off position Stay put Maximum displacement in each direction 0 in each direction Type of operator Metal rod, U Thermoplastic roller lever References of complete switches ( Two -pole N/C + N/O XES P st contact nd contact Both contacts operate in each direction contact operates in each direction () Crossed rods for XCR Ep, T rods for XCR Fp. N/C contact with positive opening operation) Large thermoplastic roller lever Metal rods, U crossed or T () XCR A XCR A XCR A XCR E 0 (P) 0 0 (P) () () 0 (P) 0 0 (P) () () XCR B XCR B XCR B XCR F (P) 0 (P) 0 0 () () (P) 0 (P) 0 0 () () 0 (P) 0 0 (P) (P) 0 (P) 0 0 () () () () (P) 0 (P) 0 0 (P) (P) 0 (P) 0 0 () () () () Two -pole N/C + N/O Both contacts operate in each break before make, slow break direction XEN P st contact nd contact contact operates in each direction XCR A XCR A XCR A XCR E () () () XCR B XCR B XCR B XCR F () () () () () () () () () () () () () Weight ().0... Contact operation contact closed (P) positive opening point contact open () st contact () nd contact Complementary characteristics not shown under general characteristics (page /) Maximum actuation speed. m/s Mechanical durability 0 million operating cycles Minimum torque For tripping 0. N.m 0.0 N.m For positive opening 0. N.m 0.0 N.m Cable entry entry tapped for n cable gland conforming to NF C -00 (DIN Pg.) Clamping capacity to 0 Dimensions: page / /

4 References (continued) Osiswitch Classic For hoisting and materials handling applications, type XCR Separate components Description Rod, U For switches XCR A XCR B Type Reference Weight L 00 XCR Z L 00 XCR Z XCR Z0 XCR Z0 Roller lever thermoplastic roller XCR A XCR B XCR Z Large roller lever thermoplastic roller XCR A XCR B Quick fixing/release XCR A, XCR B bracket XCR E, XCR F XCR Z XCR Z0 0.0 XCR Z0 XCR Zp Contact block ( contacts) with mounting plate XCR A, XCR B XCR E, XCR F -pole N/C + N/O -pole N/C + N/O break before make, slow break XCR Z 0. XCR Z 0. Description Application Sold in lots of Unit reference Weight Adaptor Pg. to ISO M0 x. DE RA Dimensions: page / /

5 References, characteristics Osiswitch Classic For conveyor belt shift monitoring applications, type XCR T Complete switches with cable entry Type of switch Standard For corrosive atmospheres Features Zinc alloy enclosure Colour: industrial blue Zinc plated steel lever, spring return to off position Cam angles: 0 and Maximum displacement: 0 Zinc alloy enclosure Colour: blue Stainless steel lever, spring return to off position Cam angles: 0 and Maximum displacement: 0 References of complete switches single-pole C/O XCR T XCR T XCR T Glass reinforced polyester enclosure Colour: grey Stainless steel lever, spring return to off position Cam angles: 0 and Maximum displacement: 0 st contact nd contact Weight () Contact operation contact closed contact open Complementary characteristics not shown under general characteristics (page /) Mechanical durability Minimum tripping torque million operating cycles N.m Cable entry entry tapped for n cable gland conforming to NF C -00 (DIN Pg.) Clamping capacity to Switch operation Normal position Fault signalling Stopping of the conveyor belt Maximum rotation Dimensions: page / /

6 References (continued) Osiswitch Classic For conveyor belt shift monitoring applications, type XCR T Separate components Description Type For switches Roller with lever Zinc plated steel XCR T XCR T Reference Weight XCR Z0 0.0 XCR Zpp Stainless steel XCR T XCR T XCR Z0 0.0 XCR T XCR Z0 0.0 Quick fixing/release bracket XCR T XCR T Contact block ( contacts) Single-pole C/O with mounting plate XCR Z0 0.0 XCR Tp XCR Z 0. XCR Z0 Description Application Sold in lots of Adaptor Pg. to ISO M0 x. Unit reference Weight DE RA XCR Z 0 Dimensions: page / /

7 Dimensions Osiswitch Classic For hoisting and materials handling applications, type XCR XCR A, B, A, B XCR A, B, A, B 0 () () () () XCR A, B, A, B XCR E, E, F, F () 0 () () () () tapped entry for n cable gland. () Rod length: 00. () Rod + roller length: 0. () Rod length: 00 for XCR F and F, 00 for XCR E and E. Supplementary fixing using adjustable lugs (included with switch) Horizontally positioned Vertically positioned Quick fixing/release bracket XCR Z Ø: elongated hole Ø x. Characteristics: pages / and / / References: page / Operation: page /

8 Dimensions (continued) Osiswitch Classic For conveyor belt shift monitoring applications, type XCR T XCR T, T 0 () () () XCR T 0 () 0 () () () 0 0 () 00 max., min. () 0 max. () 0 max. () plain entry for n cable gland. () tapped entry for n cable gland. Supplementary fixing using adjustable lugs (included with XCR T and T) Horizontally positioned Vertically positioned Ø: elongated hole Ø x Quick fixing/release bracket XCR Z Characteristics: pages / and / References: page / Operation: page / /

9 References, characteristics, setting-up Osiswitch Classic For hoisting and mechanical handling applications, type XCK MR Complete switches with cable entries Type of operating head Angular Type of operator With cruciform metal rods With cruciform metal rods, reversed head References for complete switches ( N/C contact with positive opening operation on contacts ) Devices with tapped cable entries ISO M0 x. A B x -pole N/C + N/C break before make contacts (non interchangeable contacts) XCK MRDH XCK MRDH Devices with cable entries for cable gland x -pole N/C + N/C break before make contacts (non interchangeable contacts) A B XCK MRD XCK MRD Weight () Complementary characteristics not shown under general characteristics (page /) Switch actuation Lateral Maximum actuation speed. m/s Mechanical durability million operating cycles Minimum torque For tripping 0. N.m For positive opening 0. N.m Accuracy ± 0. Cable entry tapped entries ISO M0 x., clamping capacity to tapped entries for cable gland conforming to NF C -00 (DIN Pg.), clamping capacity to Setting-up Stop A A B B Slowing down A B B 0 B 0 A 0 A A B Slowing down A A B B Stop A 0 0 B A B A B Direction of rotation Direction of rotation Reference mark on head () Direction of rotation Direction of rotation A A B B B A B 0 B 0 A 0 A A B A A B B 0 0 A B A B 0 Contact A Contact B Contact A Contact B Contact A Contact B Contact A Contact B Contact A Contact B () Triangle symbol marked on top of operating head /0

10 References (continued), dimensions Osiswitch Classic For hoisting and mechanical handling applications, type XCK MR Complete switches with cable entries References for separate parts Description Reference Weight Rod U, L 00 XCR Z XCR Z0 Dimensions XCK MRDH XCK MRD XCK MRDH XCK MRD 00,,,,, () () 0 (), (), 00 () XCK MRDpH tapped entries ISO M0 x.. XCK MRDp tapped entries for n cable gland. () centring holes Ø. ± 0., for cover fixing screws alignment. Ø : elongated holes. x., inclined at 0 for M screws. 0 /

11 Presentation For materials handling applications, type XC AC b XC AC with slow break contacts v With head for linear movement (plunger) 00_ 00_ 000_ Page / 00_ 00_ Page / 0 /

12 General characteristics For materials handling applications, type XC AC Environment characteristics Conformity to standards IEC/EN 0--, IEC 0-, VDE 00-00, CSA C- n Product certifications Special version CSA 00 V (ac) HD Protective treatment Version Standard TC, special TH Ambient air temperature For operation C For storage C Operating position All positions Vibration resistance gn (0 00 Hz) conforming to IEC 00-- Shock resistance gn ( ms) conforming to IEC 00-- Electric shock protection Class I conforming to IEC 0 and NF C 0-00 Degree of protection IP conforming to IEC 0 and NF C 0-00 Mechanical durability 0 million operating cycles Cable entry tapped entries for n cable gland Contact block characteristics Conventional thermal current 0 A Rated insulation voltage Slow break contact blocks a 00 V and c 00 V conforming to IEC 0--, NF C 0-00 a and c 00 V conforming to CSA C- n Resistance across terminals mω Minimum tripping force XC ACp: N, XC ACp: N, XC ACp: N Terminal referencing Conforming to CENELEC EN 00 Short-circuit protection 0 A cartridge fuse type gg (gl) Electrical durability b Conforming to IEC 0-- Appendix C b Utilisation categories AC- and DC- b Maximum operating rate: 00 operating cycles/hour b Load factor: 0. Slow break contact blocks a.c. supply a 0/0 Hz inductive circuit d.c. supply c inductive circuit Power broken in VA Voltage V 0 0 For million operating cycles For million operating cycles Power broken in W Voltage V 0 0 For million operating cycles For million operating cycles 0 0 /

13 References, characteristics For materials handling applications, type XC AC Complete switches with slow break contacts Type of head Plunger Type of operator End plunger End ball bearing plunger References of complete switches Single pole C/O slow break ZC AZ -pole N/C + N/O break before make, slow break ZC AZ -pole N/O + N/C make before break, slow break ZC AZ -pole N/C + N/C simultaneous, slow break ZC AZ -pole N/O + N/O simultaneous, slow break ZC AZ -pole N/C + N/C staggered, slow break ZC AZ -pole N/O + N/O staggered, slow break ZC AZ Roller lever Offset roller lever Reinforced roller lever Roller lever on needle roller bearing XC AC XC AC XC AC XC AC XC AC XC AC,,,, XC AC XC AC XC AC XC AC XC AC XC AC,, XC AC XC AC XC AC XC AC XC AC XC AC XC AC XC AC XC AC XC AC XC AC XC AC XC AC XC AC XC AC XC AC XC AC XC AC - XC AC XC AC XC AC XC AC XC AC XC AC XC AC XC AC XC AC XC AC XC AC XC AC -,,,,,,,,, - -, Weight () Contact operation contact closed contact open Complementary characteristics not shown under general characteristics (page /) Switch actuation On end By 0 cam Type of actuation,,,,,,,,,, - - A,,,, 0,,,,,,,, - - B,,,, 0,,,,,,,, - -,,,,,,,,,,,,, - -,,,,,,,,,,,,, Maximum actuation speed 0. m/s m/s (direction A), 0. m/s (direction B) () Cable entry tapped entries for n (DIN Pg.) cable gland, clamping capacity to ( entries fitted with blanking plug) Connection Screw terminals. Clamping capacity: min x 0., max x. () For a cam the maximum actuation speed becomes 0. m/s and for a cam, m/s. 0 /

14 Dimensions For materials handling applications, type XC AC Complete switches with slow break contacts XC ACp XC ACp XC ACp () () () XC ACp XC ACp, XC ACp 0 0 0, Ø,, () () () tapped entries for n cable gland or ISO 0 with adaptor DE RA0. Ø: elongated holes Ø. x 0. 0 /

15 References For materials handling applications, type XC AC Replacement parts ZC AC00 Plunger heads Type of operator Maximum actuation speed Type of actuation Reference Weight For actuation on end End plunger 0. m/s ZC AC For actuation by 0 cam End ball bearing plunger 0. m/s ZC AC ZC AC00 Roller lever m/s (direction A) 0. m/s (direction B) A ZC AC B 0 ZC AC00 ZC AC00 ZC AC00 ZC AC00 ZC AZp Reinforced roller lever Offset roller lever Roller lever on needle roller bearing m/s (direction A) 0. m/s (direction B) m/s (direction A) 0. m/s (direction B) m/s (direction A) 0. m/s (direction B) ZC AC00 0. B ZC AC B ZC AC00.0 B Contact blocks Type of contact Scheme Reference Weight C/O, single pole ZC AZ 0.00 N/C + N/O break before make ZC AZ 0.0 N/O + N/C make before break ZC AZ 0.00 N/C + N/C simultaneous ZC AZ 0.0 N/O + N/O simultaneous ZC AZ 0.0 N/C + N/C staggered ZC AZ 0.00 N/O + N/O staggered ZC AZ 0.00 Adaptation plate Description Reference Weight Mounting plate (For replacing an old version type RN- limit switch by an XC-AC limit switch) A A A ZC AZ.0 /

16 Dimensions For materials handling applications, type XC AC Replacement parts Dimensions ZC AC00 ZC AC00 ZC-AC ZC AC00 ZC AC00, AC , Ø, 0 /

17 Presentation Osiswitch Application For very severe applications, type XC J b XC J with cable entry v With head for linear movement (plunger) 00_ 00_ 00_ Page /0 v With head for rotary movement (lever) 00_ 00_ 00_ Page /0 0 /

18 General characteristics Osiswitch Application For very severe applications, type XC J Environment characteristics Conformity to standards Products IEC/EN 0--, IEC 0-, VDE 00-00, UL 0, CSA C- n Machine assemblies IEC/EN 00-, NF C -0 Product certifications Standard version DEMKO, NEMKO, CSA 00 V c HD, a 0 W Special version UL 0 V a HD Listed, CSA 00 V a HD, 0 W with / NPT tapped cable entry Protective treatment Standard version TC Ambient air temperature For operation C. Special adaptable sub-assemblies: - 0 C or + 0 C For storage C Vibration resistance 0 gn (0 00 Hz) conforming to IEC 00-- Shock resistance gn ( ms) conforming to IEC 00-- Electric shock protection Class I conforming to IEC 0 and NF C 0-00 Degree of protection IP conforming to IEC 0, IP conforming to NF C 0-00 Repeat accuracy 0.0 on the tripping points, with million operating cycles for head with end plunger Cable entry entry incorporating cable gland. Clamping capacity:. Contact block characteristics Rated operational characteristics a AC-; A00 (Ue 0 V, Ie A) c DC-; Q00 (Ue 0 V, Ie 0. A), conforming to IEC 0-- Appendix A, EN 0-- Rated insulation voltage 00 V conforming to IEC 0--, group C conforming to NF C 0-00, 00 V conforming to CSA C- n Resistance across terminals mω conforming to NF C -00 method A or IEC 0- category Short-circuit protection 0 A cartridge fuse type gg (gl) Connection Screw clamp terminals XCK Z0: clamping capacity, min: x 0., max: x. XES P0p: clamping capacity, min: x 0., max: x. Minimum actuation speed m/minute Electrical durability b Conforming to IEC 0-- Appendix C b Utilisation categories AC- and DC- b Maximum operating rate: 00 operating cycles/hour b Load factor: 0. XCK Z0, XES P0, XES P0 a.c. supply a 0/0 Hz inductive circuit Ithe / V Millions of operating cycles 0, 0 V V 0, 0 V 0, 0 Current in A d.c. supply c Voltage V 0 Power broken in W for million operating cycles 0 W 0 /

19 References, characteristics Osiswitch Application For very severe applications, type XC J Complete switches, fixed body, cable entry incorporating cable gland Type of head Plunger Rotary Type of operator References Single pole C/O XCK Z0 Metal end plunger Steel roller plunger () Adjustable throughout 0. ZC JC + ZC JE, 0 0, ZC JC + ZC JE, (A) 0 0, Metal side plunger ZC JC + ZC JE, 0 0, Thermoplastic roller lever () Variable length thermoplastic roller lever () Actuation from left AND right ZC JC + ZC JE0 + ZC JY ZC JC + ZC JE0 + ZC JY Actuation from left OR right ZC JC + ZC JE0 + ZC JY ZC JC + ZC JE0 + ZC JY Steel rod lever U () ZC JC + ZC JE0 + ZC JY ZC JC + ZC JE0 + ZC JY Weight () Contact operation contact closed (A) cam displacement contact open Complementary characteristics not shown under general characteristics (page /) Switch actuation On end By 0 cam On end By 0 cam By any moving part Type of actuation Maximum actuation speed 0. m/s. m/s Mechanical durability (in millions of operating cycles) 0 0 Minimum tripping force or torque N N With head ZC JE0: 0.0 N.m With head ZC JE0: 0.0 N.m Cable entry tapped entry incorporating metal cable gland. Clamping capacity to. Other versions Switches with gold flashed contacts. Special protective treatments. Please consult your Regional Sales Office. 0 /0

20 Dimensions Osiswitch Application For very severe applications, type XC J Complete switches, fixed body, cable entry incorporating cable gland ZC JC + ZC JE ZC JC + ZC JE ZC JC + ZC JE,,, () 0 () 0 () 0 0 ZC JC + ZC JE0p + ZC JY ZC JC + ZC JE0p + ZC JY ZC JC + ZC JE0p + ZC JY () 0... () () () 0 () () () Fixing from the rear: by M screws. Depth of thread on switch: 0. () max. () max. () max. Ø: Fixing from the front via holes Ø.. Cable gland incorporated (all XC JC models). 0 /

21 Presentation Osiswitch Application For very severe applications, type XC J Fixed or plug-in body Variable composition ZC JY ZC JE ZC JE0 ZC JY ZC JE ZC JE ZC JY ZC JY ZC JE ZC JE ZC JE ZC JE0,JE0, JE0,JE0 ZC JY ZC JY ZC JE ZC JE0 ZC JY ZC JY ZC JE ZC JE ZC JY ZC JE0,JE0, JE0 ZC JE ZC JE ZC JC, JC ZC JD ZC JC, JC, JC, JC ZC JD, JD 0 Plunger head Rotary head Multi-directional head /

22 References Osiswitch Application For very severe applications, type XC J Fixed or plug-in body Adaptable sub-assemblies Bodies with contacts for plunger or rotary head Type With contact block Scheme Reference Weight Fixed bodies step Single-pole C/O (XCK Z0) ZC JC 0. ZC JCp Double-pole C/O simultaneous (XES P0) ZC JC 0. step Double-pole C/O staggered (XES P0) Plug-in bodies step Single-pole C/O ZC JC 0. ZC JD 0.0 Double-pole C/O simultaneous ZC JD 0.0 ZC JDp step Double-pole C/O staggered ZC JD 0.0 Bodies incorporating gold flashed contacts, for plunger or rotary head Type With contact block Scheme Reference Weight Fixed bodies step Single-pole C/O (XCK Z0) ZC JC 0. ZC JCp Double-pole C/O simultaneous (XES P0) step Double-pole C/O staggered (XES P0) ZC JC 0.0 ZC JC Operation: page / Dimensions: pages / and / /

23 References (continued) Osiswitch Application For very severe applications, type XC J Fixed or plug-in body Adaptable sub-assemblies ZC JEp Plunger heads Type of operator For actuation on end End plunger metal Compatible bodies ZC Jp ZC Jp Maximum actuation speed Reference Weight 0. m/s ZC JE 0. ZC Jp 0. m/s ZC JE 0. ZC JEp Side plunger metal ZC Jp ZC Jp 0. m/s ZC JE 0.0 ZC Jp 0. m/s ZC JE 0.0 ZC JE For actuation by 0 cam End ball bearing plunger ZC Jp ZC Jp 0. m/s ZC JE 0.0 End roller plunger steel ZC Jp ZC Jp m/s ZC JE 0.00 ZC JEp ZC Jp m/s ZC JE 0.00 Side plunger with horizontal roller steel ZC Jp ZC Jp 0. m/s ZC JE 0. ZC JEp ZC Jp 0. m/s ZC JE 0. Side plunger with vertical roller steel ZC Jp ZC Jp 0. m/s ZC JE 0. ZC Jp 0. m/s ZC JE 0. ZC JEp 0 Operation: page / Dimensions: pages / and / /

24 References (continued) Osiswitch Application For very severe applications, type XC J Fixed or plug-in body Adaptable sub-assemblies Rotary heads (without operating lever) ZC JE0p Type Spring return Actuation from left AND right Compatible bodies ZC Jp ZC Jp Maximum actuation speed Reference Weight. m/s ZC JE0 0.0 ZC Jp. m/s ZC JE0 0.0 Actuation from right ZC Jp ZC Jp. m/s ZC JE0 0.0 ZC Jp. m/s ZC JE0 0.0 Actuation from left ZC Jp ZC Jp. m/s ZC JE0 0.0 ZC Jp. m/s ZC JE0 0.0 Actuation from left OR right (see page /) ZC Jp ZC Jp. m/s ZC JE0 0.0 Stay put (see page /) Actuation from left AND right ZC Jp ZC Jp. m/s ZC JE0 0.0 Multi-directional head (with operator) Type of operator For actuation by any moving part Cat s whisker Compatible bodies ZC Jp ZC Jp Maximum actuation speed Reference Weight m/s in any direction ZC JE0 0.0 ZC JE0 0 Operation: page / Dimensions: pages / and / /

25 References (continued) Osiswitch Application For very severe applications, type XC J Fixed or plug-in body Adaptable sub-assemblies ZC JYp Operating levers for rotary heads Description Reference Weight For actuation by 0 cam Roller lever () Thermoplastic ZC JY 0.00 ZC JY Steel ZC JY 0.00 Steel, ball bearing mounted ZC JY 0.00 ZC JY Variable length roller lever () Thermoplastic ZC JY 0.0 For actuation by any moving part Rigid rod lever Steel U, L () ZC JY 0.0 Spring lever () ZC JY 0.00 ZC JY ZC JY Spring-rod lever () ZC JY 0.00 ZC JY For actuation by specific cam (only for operation with head ZC JE0, see page /) Forked arm with rollers thermoplastic () track ZC JY 0.0 track ZC JY 0.0 ZC JY () Adjustable throughout 0. Other versions Other operating levers for rotary heads. Please consult your Regional Sales Office. 0 Operation: page / Dimensions: pages / and / /

26 References (continued) Osiswitch Application For very severe applications, type XC J Fixed or plug-in body Adaptable sub-assemblies XCK Z0 Contact blocks Type of contact Scheme For body Reference Weight Single-pole C/O ZC JC XCK Z Double-pole C/O simultaneous ZC JC XES P0 0.0 XES P0p Double-pole C/O staggered ZC JC XES P0 0.0 Contact blocks with gold flashed contacts Type of contact Scheme For body Reference Weight Single-pole C/O ZC JC XCK Z Double-pole C/O simultaneous ZC JC XES P0 0.0 Double-pole C/O staggered ZC JC XES P Operation: page / Dimensions: pages / and / /

27 Operation, dimensions Osiswitch Application For very severe applications, type XC J Fixed or plug-in body Adaptable sub-assemblies Operation (function diagrams) Heads ZC JE, JE with body Head ZC JE with body Head ZC JE with body ZC Jp ZC Jp ZC Jp ZC Jp ZC Jp ZC Jp, 0 0,, / /- / /- 0 0,, (A) 0 0, Heads ZC JE, JE with body Heads ZC JE0, JE0, JE0, JE0 with body ZC Jp ZC Jp ZC Jp ZC Jp / /- / /- Head ZC JE0 with body Head ZC JE0 with body ZC Jp ZC Jp ZC Jp ZC Jp, (A) 0 0, Contact operation G contact closed H contact open (A) cam displacement Heads ZC JE, JE with body ZC Jp Unactuated st step nd step / /- / /- / /- / /- 0,(A) 0, , 0,(A) 0, / /- / /- 0 / /- / /- 0 0, 0 0,, / /- / /- 0, 0, Heads ZC JE, JE, J with body ZC Jp Unactuated st step nd step,, Heads ZC JE0 with body ZC Jp Unactuated Actuated from left Actuated from right Heads ZC JE0, JE0 with body ZC Jp Unactuated st step nd step Dimensions Fixed bodies ZC JC, JC, JC () 0 Plug-in bodies ZC JD, JD, JD 0 0 (),, 0 () Incorporated cable gland () Fixing from the rear by M screws, depth of thread on switch: 0 Ø: fixing from the front via holes Ø. (), () Incorporated cable gland Ø: fixing from the rear by M screws Fixing from the front via holes Ø. (remove front part of switch for access), References: pages / to / /

28 Dimensions (continued) Osiswitch Application For very severe applications, type XC J Fixed or plug-in body Adaptable sub-assemblies Plunger heads ZC JE, JE ZC JE ZC JE, JE,,, ZC JE, JE ( position) ZC JE, JE, JE, JE ( position),, Rotary heads (ZC JE0 to JE0) with operating lever ZC JY, JY, JY ZC JY ZC JY () () ZC JY ZC JY () max. () max Rotary heads (ZC-JE0) with operating lever Multi-directional heads ZC JY ZC JY ZC JE0 0 0, References: pages / to / Operation: page / /

29 References Osiswitch Application For very severe applications, type XC J Fixed or plug-in body. Adaptable sub-assemblies for low temperature applications (- 0 C) Bodies with contacts for plunger or rotary head Type With contact block Scheme Reference Weight Fixed bodies step Single-pole C/O (XCK Z0) ZC JC 0. ZC JCp Double-pole C/O simultaneous (XES P0) ZC JC 0. step Double-pole C/O staggered (XES P0) ZC JC 0. Plug-in bodies step Single-pole C/O ZC JD 0.0 ZC JDp Double-pole C/O simultaneous step Double-pole C/O staggered ZC JD 0.0 ZC JD 0.0 Plunger heads Type of operator For actuation on end End plunger metal Side plunger metal Compatible bodies Maximum actuation speed Reference Weight ZC Jp 0. m/s ZC JE 0. ZC Jp ZC Jp 0. m/s ZC JE 0. ZC Jp 0. m/s ZC JE 0.0 ZC Jp ZC Jp 0. m/s ZC JE 0.0 For actuation by 0 cam End ball bearing plunger End roller plunger steel ZC Jp ZC Jp 0. m/s ZC JE 0.0 ZC Jp m/s ZC JE 0.00 ZC Jp ZC Jp m/s ZC JE 0.00 ZC JEp Side plunger with horizontal roller steel Side plunger with vertical roller steel ZC Jp 0. m/s ZC JE 0. ZC Jp ZC Jp 0. m/s ZC JE 0. ZC Jp 0. m/s ZC JE 0. ZC Jp ZC Jp 0. m/s ZC JE 0. 0 Setting-up: page / Dimensions: pages / and / /0

30 References (continued) Osiswitch Application For very severe applications, type XC J Fixed or plug-in body. Adaptable sub-assemblies for low temperature applications (- 0 C) Rotary heads (without operating lever) ZC JE0p Type Spring return Actuation from left AND right Compatible bodies ZC Jp ZC Jp Maximum actuation speed Reference Weight. m/s ZC JE0 0.0 ZC Jp. m/s ZC JE0 0.0 Actuation from right ZC Jp ZC Jp. m/s ZC JE0 0.0 ZC Jp. m/s ZC JE0 0.0 Actuation from left ZC Jp ZC Jp. m/s ZC JE0 0.0 ZC Jp. m/s ZC JE0 0.0 Actuation from left OR right (see page /) Stay put (see page /) Actuation from left AND right ZC Jp ZC Jp ZC Jp ZC Jp. m/s ZC JE m/s ZC JE0 0.0 Multi-directional head (with operator) Type of operator For actuation by any moving part Cat s whisker Compatible bodies ZC Jp ZC Jp Maximum actuation speed Reference Weight m/s in any direction ZC JE0 0.0 ZC JE0 0 Setting-up: page / Dimensions: pages / and / /

31 References (continued) Osiswitch Application For very severe applications, type XC J Fixed or plug-in body. Adaptable sub-assemblies for low temperature applications (- 0 C) Operating levers for rotary heads Description Reference Weight For actuation by 0 cam Roller lever () Thermoplastic ZC JY 0.00 ZC JYp ZC JY Steel ZC JY 0.00 Steel, ball bearing mounted ZC JY 0.00 Variable length roller lever () Thermoplastic ZC JY 0.0 ZC JY For actuation by any moving part Rigid rod lever Steel U, L () ZC JY 0.0 Spring lever () ZC JY 0.00 ZC JY ZC JY Spring-rod lever () ZC JY 0.00 For actuation by specific cam (only for operation with head ZC JE0, see page /) ZC JY Forked arm with rollers thermoplastic () track ZC JY 0.0 track ZC JY 0.0 Contact blocks Type of contact Scheme For body Reference Weight ZC JY Single-pole C/O ZC JC XCK Z Double-pole C/O simultaneous ZC JC XES P0 0.0 XCK Z0 Double-pole C/O staggered () Adjustable throughout 0. ZC JC XES P0 0.0 XES P0p Other versions Other operating levers for rotary heads. Please consult your Regional Sales Office. 0 Setting-up: page / Dimensions: pages / and / /

32 References (continued) Osiswitch Application For very severe applications, type XC J Fixed body. Adaptable sub-assemblies for high temperature applications (+ 0 C) Bodies with contacts for plunger or rotary head Type With contact block Scheme Reference Weight Fixed bodies step Single-pole C/O (XCK Z0) ZC JC 0. ZC JCp Double-pole C/O simultaneous (XES P0) ZC JC 0. ZC JEp ZC JEp step Double-pole C/O staggered (XES P0) Plunger heads Type of operator For actuation on end End plunger metal Compatible bodies ZC JC ZC JC Maximum actuation speed ZC JC 0. Reference Weight 0. m/s ZC JE 0. ZC JC 0. m/s ZC JE 0. Side plunger metal ZC JC ZC JC 0. m/s ZC JE 0.0 ZC JC 0. m/s ZC JE 0.0 ZC JE For actuation by 0 cam End ball bearing plunger ZC JC ZC JC 0. m/s ZC JE 0.0 ZC JEp End roller plunger steel ZC JC ZC JC m/s ZC JE 0.00 ZC JC m/s ZC JE 0.00 ZC JEp Side plunger with horizontal roller steel ZC JC ZC JC 0. m/s ZC JE 0. ZC JC 0. m/s ZC JE 0. Side plunger with vertical roller steel ZC JC ZC JC 0. m/s ZC JE 0. ZC JEp ZC JC 0. m/s ZC JE 0. 0 Setting-up: page / Dimensions: pages / and / /

33 References (continued) Osiswitch Application For very severe applications, type XC J Fixed body. Adaptable sub-assemblies for high temperature applications (+ 0 C) Rotary heads (without operating lever) ZC JE0p Type Spring return Actuation from left AND right Compatible bodies ZC JC ZC JC Maximum actuation speed Reference Weight. m/s ZC JE0 0.0 ZC JC. m/s ZC JE0 0.0 Actuation from right ZC JC ZC JC. m/s ZC JE0 0.0 ZC JC. m/s ZC JE0 0.0 Actuation from left ZC JC ZC JC. m/s ZC JE0 0.0 ZC JC. m/s ZC JE0 0.0 Stay put (see page /) Actuation from left AND right ZC JC ZC JC. m/s ZC JE0 0.0 ZC JE0 Multi-directional head (with operator) Type of operator For actuation by any moving part Cat s whisker Compatible bodies ZC JC ZC JC Maximum actuation speed Reference Weight m/s in any direction ZC JE Setting-up: page / Dimensions: pages / and / /

34 References (continued) Osiswitch Application For very severe applications, type XC J Fixed body. Adaptable sub-assemblies for high temperature applications (+ 0 C) Operating levers for rotary heads Description Reference Weight For actuation by 0 cam Roller lever () Thermoplastic ZC JY 0.00 ZC JYp Steel ZC JY 0.00 Steel, ball bearing mounted ZC JY 0.00 Offset roller lever () Thermoplastic ZC JY 0.0 ZC JY Variable length roller lever () Thermoplastic ZC JY 0.0 Variable length offset roller lever () Thermoplastic ZC JY 0.00 For actuation by any moving part Rigid rod lever Steel U, L () ZC JY 0.0 Spring lever () ZC JY 0.00 ZC JY ZC JY Spring-rod lever () ZC JY 0.00 For actuation by specific cam (only for operation with head ZC JE0, see page /) ZC JY Forked arm with rollers thermoplastic () track ZC JY 0.0 track ZC JY 0.0 ZC JY Contact blocks Type of contact Scheme For body Reference Weight Single-pole C/O ZC JC XCK Z XCK Z0 Double-pole C/O simultaneous ZC JC XES P0 0.0 Double-pole C/O staggered () Adjustable throughout 0. ZC JC XES P0 0.0 XES P0p Other versions Other operating levers for rotary heads. Please consult your Regional Sales Office. 0 Setting-up: page / Dimensions: pages / and / /

35 References, dimensions Miniature snap switches Osiswitch Subminiature design, DIN B format, sealed Sub-subminiature design, DIN D format References Subminiature design, DIN B format, sealed Type of operator Plunger Flat lever () Roller lever () Single-pole C/O. cable clip tag connections XEP EW () XEP EWA () XEP EWA () Wiring: Weight (g)... Black Grey Pre-cabled XEP EFD () XEP EFDA () XEP EFDA () Blue connections Weight (g)... Separate components Flat lever () ZEP L () Weight (g) 0. Roller lever () ZEP L () Weight (g) 0. Sub-subminiature design, DIN D format Type of operator Plunger Flat lever () Single-pole C/O Solder tag XEP PW () XEP PWZB () connections Weight (g).. Dimensions XEP EW XEP EWA XEP EWA 0,,,, r Ø, A(), B(), r F, r 0,,,, Ø,,,, 0,, x0, XEP EFD XEP EFDA XEP EFDA A() B(), r F, r 0,,, XEP PW 0, 0,, 0,,,,,,, XEP PWZB 0,,, Z() r, F 0,x,, 0,,,,,,,,, () In order to avoid damage to the fixing spigots, removal of the lever from complete products is not recoended. () Levers only for mounting on basic (plunger) snap switches (XEP EW and XEP EFD). () Switches sold in lots of. () A, B, Z: lever fixing positions. /

36 Characteristics Miniature snap switches Osiswitch Subminiature design, DIN B format, sealed Sub-subminiature design, DIN D format Switch type XEP Epp, XEP PW XEP EppA, XEP PWZB XEP EppA Plunger Flat lever Roller lever Environment characteristics Lever fixing position () A A Switch actuation On end Horizontal Product certifications e, IEC 0--, EN 0--, c UR us, UL 0, EN 0 Degree of protection IP XEP EFDpp, case IP and tags IP 00 XEP EWpp, case IP 0 and tags IP 00 XEP PWpp Operating temperature C XEP EFDpp, C XEP EWpppp and XEP Pppp Materials Enclosure Polyester XEP, diallyl-phtalate XEP Lever Stainless steel Stainless steel, glass reinforced polyamide roller Contact AgCdO XEP Epp, Ag XEP Tags Tinned brass XEP EWppp, gold plated brass XEP Ppp Mechanical characteristics Lever fixing position () Maximum tripping force XEP A. N 0. N 0. N B. N. N. N XEP N 0.0 N Minimum release force XEP A 0.0 N 0.0 N 0. N B 0.0 N 0.0 N 0. N XEP 0.0 N 0. N Maximum permissible end of travel force XEP A 0 N. N. N B 0 N N. N XEP 0 N Tripping point (TP) () XEP A.0 +/ /-.. +/-. B.0 +/ /-.0. +/- 0. XEP.0.0 Maximum differential travel XEP A B XEP Minimum overtravel XEP A B XEP 0.0 Inter-contact distance XEP 0. XEP 0. Mechanical durability XEP million operating cycles XEP 0. million operating cycles Electrical characteristics Operational characteristics XEP AC-: B00 (Ue: 0 V, Ie:. A) DC-: R00 (Ue: 0 V, Ie: 0. A) conforming to IEC 0--, EN 0-- Appendix A -0 V AC.0 A conforming to UL 0 () A 0 V AC 0,000 cycles conforming to EN 0 XEP AC-: D00 (Ue: 0 V, Ie: 0. A) conforming to IEC 0--, EN 0-- Appendix A Thermal current XEP. A on 0 V (0/0 Hz) XEP. A on 0 V (0/0 Hz) Connection XEP XEP EWp:. cable clip tags XEP EFD: Pre-cabled (horizontally in-line), x 0., length 0. m XEP Solder tags Operating curves XEP Epp XEP Ppp Number of cycles x ,0 0, 0, 0, 0 A Current 0 V a: resistive circuit Number of cycles V a Resistive circuit Inductive circuit 0, 0, 0, 0 A Cos ϕ 0. Current 0 () Miniature snap switches fitted with a lever are supplied with the lever fixed in position A (see page /). For basic (plunger) snap switches, it is possible to fix a lever in position A or B, depending on the required tripping conditions (see page /). () Position of the operator in relation to the switch fixings (fixing hole centre line), at the instant the contact changes state. /

37 References, dimensions 0 Miniature snap switches Osiswitch Miniature design, DIN A format References Type of operator Plunger Flat lever () Roller lever () Singlepole C/O snap action Standard contacts Solder tags XEP SW () XEP SWB () XEP SWB (). cable clip tags XEP SW () XEP SWB () XEP SWB (). cable clip tags XEP SW () XEP SWB () XEP SWB () Weight (g)... Very low Solder tags XEP SW () XEP SWB () XEP SWB () operating. cable clip tags XEP SW () XEP SWB () XEP SWB () force. cable clip tags XEP SW () XEP SWB () XEP SWB () contacts Weight (g)... Separate components Flat lever () ZEP L () Weight (g) 0. Roller lever () ZEP L () Weight (g) Dimensions XEP SpW XEP SpW XEP SpW 0, 0,,,,, ZEP L,, 0, A B C, r,,,,,,,,,,,,,x0, 0,,,, 0, 0, ZEP L () In order to avoid damage to the fixing spigots, removal of the lever from complete products is not recoended. () Switches sold in lots of 0. () Levers only for mounting on basic (plunger) snap switches (XEP SpW, XEP SpW and XEP SpW), in fixing positions A, B or C. 0,,,, A B C,,,,,,, r, 0,,,,x0, 0, 0,,,,, 0, A B C,,,,,,,,,,,x0, 0 /

38 Characteristics 0 Miniature snap switches Osiswitch Miniature design, DIN A format Switch type Type of operator XEP SpW XEP SpWB XEP SpWB Plunger Flat lever Roller lever Environment characteristics Lever fixing position () B B Switch actuation On end Horizontal Product certifications c UR us, e, IEC/EN 0--, UL 0, EN 0- Degree of protection Case IP 0 and tags IP 00 Operating temperature C Materials Enclosure Polyester Lever Stainless steel Stainless steel, glass reinforced polyamide roller Contact AgNi Mechanical characteristics Lever fixing position () Maximum tripping force Standard A 0. N 0. N B 0. N 0. N C 0. N 0.N Very low force A 0. N 0.0 N B 0. N 0. N C 0. N 0. N Minimum release force Standard A 0.0 N 0.0 N B 0.0 N 0.0 N C 0.0 N 0. N Very low force A 0.0 N 0.0N B 0.0 N 0.0 N C 0.0 N 0.0 N Maximum permissible end of travel force Tripping point (TP) () Maximum differential travel Standard, very low force Standard, very low force Standard, very low force A 0 N N B 0 N 0 N C 0 N N A.0 +/ / /-. B.0 +/ / /-. C.0 +/ / /-. A 0..0 B C Minimum overtravel Standard A.0.0 B.0.0 C.0.0 Very low force A.0.0 B.0.0 C.0. Inter-contact distance 0.0 Mechanical durability for / Standard 0 million operating cycles overtravel Very low force 0 million operating cycles Electrical characteristics Operational characteristics Standard AC-: B00 (Ue: 0 V, Ie:. A) DC-: R00 (Ue: 0 V, Ie: 0. A) conforming to IEC/EN 0-- Appendix A -0 VAC 0.A - / HP conforming to UL 0 () A 0 V AC 0,000 cycles conforming to EN 0- Very low force AC-: D00 (Ue: 0 V, Ie: 0. A) conforming to IEC/EN 0-- Appendix A -0 V AC A - /0 HP conforming to UL 0 () A 0 V AC 0,000 cycles conforming to EN 0- Thermal current Standard A on 0 V (0/0 Hz) Very low force A on 0 V (0/0 Hz) Connection XEP SpW: solder tags, XEP SpW:. cable clip tags XEP SpW:. cable clip tags. Operating curves XEP Spp Number of cycles V Resistive circuit Inductive circuit Cos ϕ 0. XEP Spp Current Current 0, 0, 0, A 0, 0, 0, A () Miniature snap switches fitted with a lever are supplied with the lever fixed in position B (see page /). For basic (plunger) snap switches, it is possible to fix a lever in position A, B or C, depending on the required tripping conditions (see page /). () Position of the operator in relation to the switch fixings (fixing hole centre line), at the instant the contact changes state. Number of cycles V Resistive circuit Inductive circuit Cos ϕ 0. 0 /

39 References, dimensions Miniature snap switches Osiswitch Sealed design Pre-cabled Type of head Plunger (fixing by the body) Type of operator Head with flat plunger Head with domed encased plunger References Single-pole C/O Wiring: Black Brown Blue XC 00L XC 0L Weight () Dimensions XC 00L, PA 0, XC 0L r, PA 0, /0

40 Characteristics Miniature snap switches Osiswitch Sealed design Pre-cabled Switch type XC 00p XC 0p Environment characteristics Switch actuation On end, flat plunger () On end, domed plunger () Product certifications e, IEC 0-- Degree of protection IP Operating temperature C Materials Internal housing Metal Casing Nitrile Fixing support Steel, zinc passivated Contact Ag Mechanical characteristics Maximum tripping force Minimum release force. N. N Maximum permissible end of travel force 0 N Tripping point (TP) (). ± 0.. ± 0. Maximum differential travel Minimum overtravel Inter-contact distance Mechanical durability Electrical characteristics Operational current Thermal current/insulation voltage million operating cycles A on V (0/0 Hz) A/0 V Connection Electrical durability A0 VVF cable, x 0., length metres, overall diameter. AC-: 0. million operating cycles Operating curve () Manual actuation must be made by an intermediate insulated part, in order to meet basic safety requirements. One of the two fixing holes must also be used as an earth protection terminal. () Distance between the base of the switch and the top of the plunger at the instant the contact changes state (see dimensions, page /0). 0 /

41 Presentation, terminology, characteristics, mounting Miniature snap switches Osiswitch Miniature design General Presentation XEP XC0 Terminology XEP EWp XEP EFDp XEP Electromechanical detection b Osiswitch miniature snap switches, featuring electromechanical technology, assure the following functions: v detection of presence or absence, v detection of position. Actuation of the operator (plunger or lever) on the miniature snap switch causes the electrical contact to change state. This information can then be processed by a PLC controlling the installation. Osiswitch miniature snap switches can be used both for industrial applications and the building sector. Features b Osiswitch miniature snap switches incorporate a C/O, single break, contact. They are characterised by: v high electrical ratings for their very small size, v short tripping travel, v low tripping force, v high repeat accuracy on the tripping points, v long service life. Forces b Maximum tripping force: maximum force which must be applied to the operator to move it from the rest (unactuated) position to the trip position (tripping point). b Minimum release force: value to which the force on the operator must be reduced to allow the mechanism to return to its rest (unactuated) position. b Maximum permissible end of travel force: maximum force that can be applied to the operator at the end of its travel without damaging the switch. Position / Travel Tripping point: position of the operator in relation to the switch fixings (fixing hole centre line) at the instant the switch contact changes state. A Differential travel: distance between the tripping point and the position at which the snap action mechanism returns to its initial state on release of the operator. Overtravel limit: position of the operator when an extreme force has moved it to the effective end of its available travel. B Overtravel: distance between the tripping point and the overtravel limit. Mechanical characteristics NC NO T T The reference point for the figures given for forces and travel is a point F, which is situated on the plunger in the case of a basic switch or at from the end of the plain lever in the case of a lever operated switch. Changeover time b This is the time taken by the moving contact when moving from one fixed contact to another until it becomes fully stable (contact bounce included). b This time is related to the inter-contact distance, the mechanical characteristics of the snap action mechanism and the mass of the moving element. However, due to the mechanisms used, the time is largely independent to the speed of operation. It is normally less than 0 milliseconds (including bounce times of less than ms). T: bounce time Operating speed and maximum usable operating rate T: changeover time b Our miniature snap switches are suitable for a wide range of operating speeds: generally, from /mn to m/s. b The maximum usable operating rate on a light electrical load may be as high as 0 operations/second. A B C 0 Mounting A B C Mounting and operation b v v b To conform to the leakage paths and air gaps in standards EEC - EN/IEC 0 and EN/IEC 0: an insulation pad must be inserted between the snap switch and the fixing surface if the latter is metal, manual operation of a metal actuator must only be carried out with the aid of an intermediate actuator made of an insulating material. The installer must ensure adequate protection against direct contact with the output terminals. Actuation method b Direct operation: v the plunger should preferably be actuated along its axis. However, the majority of our miniature snap switches will accept skewed operation provided the angle of actuation is not more than. The travel of the actuator must not be limited to only reaching the tripping point. The actuator must always be operated in such a manner so that the plunger reaches a point at least 0. times the stated overtravel value of the switch. Steps must also be taken to ensure that it does not reach its end of travel nor exceed the maximum permissible end of travel force. /

42 Mounting, characteristics (continued) Miniature snap switches Osiswitch Miniature design General Mounting (continued) Actuation method (continued) b Lever operators: v when actuation is by a roller lever, force should preferably be applied in the direction shown in the diagrams opposite, v where the movements involved are fast, the ramp should be so designed as to ensure that the operator is not subjected to any violent impact or abrupt release. 0 0 A B C A B C Fixing - Tightening torque b The tightening torque of the fixing screws must conform to the following values: Ø of fixing screw.. Tightening torque (cm.n) Maximum Minimum Resistance to mechanical shock and vibration b Resistance to shock and vibration depends on the mass of the moving parts and on the forces holding the contacts together. b In general, for a miniature snap switch without accessory: v vibration > 0 gn, 0 to 00 Hz, v shock > 0 gn ms / sine wave. Electrical characteristics Number of cycles , 0, 0, 0 A Current Resistive circuit Inductive circuit Cos ϕ 0. Operating curves b These indicate the electrical life of the miniature snap switches under standard conditions (0 C, cycle/ seconds), by showing the number of switching operations which can be performed with given types of load. For sealed snap switches, the operating rate is cycle/ s. Insulation resistance b The insulation resistance of the miniature snap switches is generally greater than 0,000 MΩ, measured at 00 V d.c. 00 V Dielectric strength b The dielectric strength of our miniature snap switches is generally superior to: v 00 Volts between live parts and earth, v 000 Volts between contacts, v 00 Volts between contacts for switches with an inter-contact distance less than V 0 /