microswitches Low force

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1 0/06 Subminiature MICOSWITCHES - PEMIUM V High precision flexible leaf snap-action mechanism Operation without balance-point, even at extremely slow actuating speed atings from ma Vc up to (6) A 0 Va and / HP -0 Va ENEC and cuus approved up to +0 C Mechanical life up to 0 million cycles High resistance to shock and vibration Choice of connections with symmetric and asymmetric pinning Wide choice of actuators on possible fixing positions (pre-assembled or retrofittable) Main specifications Standard 8700 Low force 870 Dual-current 8708 Dual-current Low force 8709 Function Connections I (changeover) W I (changeover) W7A I (changeover) X I (changeover) XS I (changeover) X I (changeover) XS I (changeover) X I (changeover) XS (normally closed) W (normally closed) W7A C (normally open) W C (normally open) W7A Electrical characteristics ating nominal / 0 V AC (A) 0 ** ** ating thermal / 0 V AC (A) Mechanical characteristics Maximum operating force (N) Min. elease force (N) Maximum total travel force (N).8.8 Max. allowable overtravel force (N) est position max. (mm) Operating position (mm) 8. ±0. 8. ±0. 8. ±0. 8. ±0. Maximum differential travel (mm) Min. overtravel (mm) Ambient operating temperature ( C) Mechanical life (operations) 0 7 * *.0 7 Contact gap (mm) Weight (g) * For / of the overtravel Additional specifications - Case: PBT GF (UL 9-V0 / GWFI 960 C) - Button: PA66 GF - Moving blade: beryllium copper - Contacts: silver alloy, micro-profile gold alloy on silver alloy, crossbar (dual-current) - Terminals: copper nickel (except W7A: brass) - Levers: stainless steel or plastic, polyamide roller - Degree of protection: IP0 (mechanism) - Proof tracking index: PTI 0 - Protection against electric shock: button and actuators have reinforced insulation for Ui 0 V / Uimp,kV / pollution - ecommended min actuating speed: 0.00 mm/s - Approvals: NF - ENEC - cuus Product adaptations Special actuators: stainless steel or plastic, special shapes and lengths Special connections: angled, screw, double tabs,... Special fastening pins High operating temperature: +0 C NF (6) A and cuus A approved version (8700 SP976) AgSnO contacts for very high inrush currents (lamp and capacitor loads) Increased or reduced differential travel (SP98: max 0.08 mm) Specific operating force up to. N Housing material according to IEC 60- for unattended appliances: GWFI 80 C / GWIT 77 C Telescopic plunger with mm overtravel and adjustable fixing by threaded barrel NC contacts with forced break action to prevent contact welding in case of accidental overcurrents Standard product Product made to order Contact us

2 0/06 Principles Single break snap-action switch Changeover - SPDT (form C) Normally closed - SPST-NC (form B) Normally open - SPST-NO (form A) Curves Operating curve for type 8700 Operating curve for type 870 Operating curve for types 8708/ L { = ms ~ cos ϕ = 0, L { = ms ~ cos ϕ = 0, V , 0, 0, , 0, 0, 0 0, 0, 0, B Number of cycles B Number of cycles B Number of cycles C esistive circuit C esistive circuit C esistive circuit D Inductive circuit D Inductive circuit D Mechanical life limit E Mechanical life limit E Mechanical life limit E Current in Amps F Current in Amps F Current in Amps ** Models 8708 and 8709 are designed to operate equally well on low-current ( ma V minimum recommended) or medium-current ( A maximum) circuits. However, a given product should only be used to switch one type of circuit during its working life. Dimensions Product 870 Asymmetrical version 870 Symmetrical version (X.S connections) B Total travel position = max 7.6 Fixing with M screws ecommended tightening torque: 0. N.m

3 0/06 Connections W solder W7A quick-connect.8 x 0. X - XS for PCB, straight output,6 ±0,, ±0, X - XS for PCB, rear output X - XS for PCB, front output Drilling Printed circuit board mounting Asymmetrical X - X - X Printed circuit board mounting Symmetrical XS - XS - XS B.C C.NO D.NC Mounting on a printed circuit board with holding pins Asymmetrical B.C C.NO D.NC Mounting on a printed circuit board with holding pins Symmetrical.6.6 Mounting accessories Locating pins Locating pins Other shapes and dimensions: consult us 0,6-0,,9 ± 0,,9 ± 0, 0,6-0, B X - XS connections B X - XS connections Actuator mounting positions To calculate force : divide the switch force by the coefficient in the table. To calculate travel : multiply the switch travel by the same coefficient.

4 0/06 Actuators 70A flat 70E roller 70F dummy roller B Operating position 70D adjustable 70EL transverse roller folded,6 60 ±,, plastic, Other shapes and dimensions: consult us Actuators and mounting accessories Part numbers for standard actuators Actuators Flat 70A 8. Flat 70A Flat 70A oller 70E 0 Dummy roller 70F 9, Fixing positions Coefficient Operating position Part numbers for standard actuators Actuators, 0 ± 9, ±0,6 Adjustable 70D 6, 0,8 ±, 9,8 ±0, Transverse roller 70EL 8 7,, ±,6 0, ±, Folded 6,,,7 ±,, ±0, Plastic (PAA GF0) 0,,,6 ±,,9 ±0,7 Fixing positions Coefficient Operating position A 6,6 ±,8 * B, ±, * * Factory setting. Adjustment range +/-. mm, 6, ±,,6 ±0,8,, ±,9 ±0,6-0,6 ±, - Except where otherwise indicated, levers are supplied unmounted. For factory mounting, specify fixing position A or B.

5 0/06 V microswitches with referenced actuators Actuator I W I W7A I X I XS I X I X I W I W7A I X I XS I X I X I W I W7A I X I XS I X I X I W I W7A I X I XS I X I X 70A A E F Folded 6, Plastic Installation recommendations See Basic technical concepts How to order Use the 8 digit part numbers when they are defined Other cases, precise: Type of microswitch - Function - Connection - Actuator* - Fixing position* - Mounting accessories* - Adaptation* * if needed Example: 8708 I X 70A B Examples of special adaptations Angled W7A terminals Double lateral.8 x 0. quick-connect terminals Top mounted bracket and screw terminals Telescopic plunger with mm overtravel and with M6 x 0.7 threaded barrel Two-pole assembly with single actuator Fastening pins for.8 max thickness and Ø mm holes (7976) PCB assembly with terminal block Special buttons: see V Mushroom-head button BC Standard product Product made to order Contact us

6 0/06 Subminiature MICOSWITCHES - PEMIUM V Mushroom-head button BC High precision flexible leaf snap-action mechanism Suitable for lateral approach from any direction with angle up to Operation without balance-point, even at extremely slow actuating speed atings from ma Vc up to (6) A 0 Va and / HP -0 Va ENEC and cuus approved up to +0 C Mechanical life million cycles High resistance to shock and vibration Choice of connections with symmetric and asymmetric pinning Main specifications Standard 8700 BC Low force 870 BC Dual-current 8708 BC Dual-current Low force 8709 BC Function Connections I (changeover) W l I (changeover) W7A l 8707 l I (changeover) X l l I (changeover) XS l 8708 l l I (changeover) X l l I (changeover) XS l 8708 l l I (changeover) X l l l l I (changeover) XS l l l (normally closed) W l 8709 l l (normally closed) W7A l l l l C (normally open) W l l l l C (normally open) W7A l l Electrical characteristics ating nominal / 0 V AC (A) 0 ** ** ating thermal / 0 V AC (A) Mechanical characteristics Maximum operating force (N) Min. elease force (N) Maximum total travel force (N).8.8 Max. allowable overtravel force (N) est position max. (mm) Operating position (mm) 9.9 ± ± ± ±0. Maximum differential travel (mm) Min. overtravel (mm) Ambient operating temperature ( C) Mechanical life at (operations) 0 6 * * 0 6 Contact gap (mm) Weight (g) * for / of the overtravel Additional specifications - Case: PBT GF (UL 9-V0 / GWFI 960 C) - Button: PA66 GF - Moving blade: beryllium copper - Contacts: silver alloy, micro-profile gold alloy on silver alloy, crossbar (dual-current) - Terminals: copper nickel (except W7A: brass) - Degree of protection: IP0 (mechanism) - Proof tracking index: PTI 0 - Protection against electric shock: button has reinforced insulation for Ui 0V / Uimp,kV / pollution - ecommended min actuating speed: 0.00 mm/s - Approvals: NF - ENEC - cuus Product adaptations Special buttons: cylindrical radius, specific width and height Special connections: angled, screw, double tabs... Special fastening pins High operating temperature: +0 C A 0 Va version AgSnO contacts for very high inrush currents (lamp and capacitor loads) Increased or reduced differential travel (eg: max mm) Specific operating force up to. N Housing material according to IEC 60- for unattended appliances: GWFI 80 C / GWIT 77 C Standard product Product made to order Contact us

7 max. 0/06 Principles Single break snap-action switch Changeover - SPDT (form C) Normally closed - SPST-NC (form B) Normally open - SPST-NO (form A) Curves Operating curve for type 8700 BC L { = ms ~ cos ϕ = 0,8 0 7 Operating curve for type 870 BC.0 7 L { = ms ~ cos ϕ = 0,8 Operating curve for types 8708 BC/8709 BC , 0, 0, , 0, 0, , 0, 0, V B Number of cycles B Number of cycles B Number of cycles C esistive circuit C esistive circuit C esistive circuit D Inductive circuit D Inductive circuit D Mechanical life limit E Mechanical life limit E Mechanical life limit E Current in Amps F Current in Amps F Current in Amps ** Models 8708 and 8709 are designed to operate equally well on low-current ( ma V minimum recommended) or medium-current ( A maximum) circuits. However, a given product should only be used to switch one type of circuit during its working life. Dimensions Product 870 BC Asymmetrical version 870 BC Symmetrical version (X.S connections) ecommendations for lateral approach B Total travel position: max 9. In order to reduce friction and wear, the actuating ramp shall preferably be of POM, PA, PBT or steel, and also be as smooth as possible. As a general rule, the use of any lubricant substance is not needed nor recommended. For particular cases, please consult us. Connections W solder W7A quick-connect.8 x 0. X - XS for PCB, straight output,6 ±0,, ±0,

8 X - XS for PCB, rear output 0/06 X - XS for PCB, front output Drilling Printed circuit board mounting Asymmetrical X - X - X Printed circuit board mounting Symmetrical XS - XS - XS B.C C.NO D.NC B.C C.NO D.NC Mounting on a printed circuit board with holding pins Asymmetrical Mounting on a printed circuit board with holding pins Symmetrical Mounting accessories Locating pins 79968,9 ± 0, 0,6-0,,9 ± 0, Locating pins B X - XS connections 0,6-0, B X - XS connections Installation recommendations See Basic technical concepts How to order Use the 8 digit part numbers when they are defined Other cases, precise: Type of microswitch - Function - Connection - Mounting accessories* - Adaptation* * if needed Example: 8700 BC I X Examples of special adaptations Angled W7A terminals Button head with cylindrical radius mm width Button head with cylindrical radius. mm width Fastening pins for.8 max thickness and Ø mm holes (7976) PCB assembly with terminal block