MINIATURE MICROSWITCHES - PREMIUM V3 - 83161 › High precision flexible leaf snap-action mechanism › Operation without balance-point, even at extremely slow actuating speed › Broad range of operating forces from 0.15 N to 5 N › Ratings from 4 A to 10(8) and 16(4) A 250 Va, 10(4) A 400 Va and 1/2 hp 125-250 Va › Contact gap less or greater than 3 mm (micro-disconnection (µ) or full disconnection) › Operating temperature from -60 °C up to +150 °C - High resistance to shock and vibration › Mechanical life up to 50 million cycles › ENEC and cURus approved › Wide choice of actuators on 4 possible fixing positions (pre-assembled or retrofittable) Main specifications Function I (changeover) I (changeover) I (changeover) I (changeover) I (changeover) I (changeover) I (changeover) I (changeover) R (normally closed) R (normally closed) R (normally closed) R (normally closed) C (normally open) C (normally open) C (normally open) C (normally open) Configurations with actuators High force 831611 Standard UL Electrical characteristics Rating nominal / 250 V AC (A) Rating thermal / 250 V AC (A) Rating ENEC / 250 V AC (A) Rating UL / 125/250 V AC (A) Mechanical characteristics Maximum operating force (N) Min. Release force (N) Maximum total travel force (N) Max. Allowable overtravel force (N) Maximum rest position (mm) Operating position (mm) Maximum differential travel (mm) Min. overtravel (mm) Ambient operating temperature (°C) Mechanical life for 2/3 OT (operations) Contact gap (mm) Weight (g) Additional specifications - Case: PA6 GF (UL 94-V2 / GWFI 960 °C) - Standard versions PBT GF (UL 94-V0 / GWFI 960 °C) - UL versions PET GF (UL 94-V0 / GWFI 960 °C / GWIT 775 °C) - On request - Button: PA66 - Moving blade: silver-plated beryllium copper - Contacts: silver alloy, micro-profile - Terminals: brass (Except W2: tinned brass) - Levers: stainless steel or polyamide, polyamide roller - Nuts for 161L: nickel-plated brass Standard product Product made to order - Degree of protection: IP40 (mechanism) - Proof tracking index: PTI 250 - Protection against electric shock: button and 161-type actuators have reinforced insulation for Ui 250V / Uimp 2,5kV / pollution 2 - Recommended

Main specifications (continued) Function I (changeover) I (changeover) I (changeover) I (changeover) I (changeover) I (changeover) I (changeover) I (changeover) R (normally closed) R (normally closed) R (normally closed) R (normally closed) C (normally open) C (normally open) C (normally open) C (normally open) Configurations with actuators Electrical characteristics Rating nominal / 250 V AC (A) Rating thermal / 250 V AC (A) Rating ENEC / 250 V AC (A) Rating UL / 125/250 V AC (A) Mechanical characteristics Maximum operating force (N) Min. Release force (N) Maximum total travel force (N) Max....

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 types 831611* / 831613* / 831616 Operating curve for type 831614 Operating curve for types 831615 / 831615 SP4136 Number of cycles Resistive circuit Inductive circuit Mechanical life limit Current in Amps Number of cycles Resistive circuit Inductive circuit Mechanical life limit Current in Amps Number of cycles Resistive circuit Inductive circuit Mechanical life limit Current in Amps B Total travel position W3R5 quick-connect 6.3...

W5 screw with clamp Actuator mounting positions To calculate force Divide the switch force by the coefficient given in the table. To calculate travel Multiply the switch travel by the same coefficient. Example : 83 161 3 with lever 161 A - R 25.4 position A (coeff. 4) Operating force: 0.8 : 4 = 0.2 N Overtravel: 1.2 x 4 = 4.8 mm B Thread length C Total travel Other shapes and dimensions: consult us Also available are pinned actuators mounted on position D (factory mounting), same as for 83160 series. (datasheet: SP

Actuators and mounting accessories Part numbers for standard actuators Actuators Fixing positions Coefficient Operating position, except 831616 (mm) Operating position 831616 (mm) Part numbers for standard actuators Fixing positions Coefficient Operating position, except 831616 (mm) Operating postion 831616 (mm) Manual actuation Except where otherwise indicated, flat and roller levers are supplied unmounted. For factory mounting, specify fixing position A, B or C. ** For 831611, 831612, 831613, 831616. Mounted in factory (supplied without nut) V3-83161 microswitches with referenced actuators...

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 - UL approval* - Actuator* - Fixing position* - Adaptation* + Mounting accessories* * if needed Example: 831613 C W3R5 UL 161E R13.6 B SP9680 + 79250338 Examples of special adaptations Telescopic plunger and adjustable fixing . 4mm overtravel. Metal version for heavy duty (SP9603) Door switch for industrial vehicle Long solder terminals (W2L) One-way roller lever (active on right, idle-return on left) Lever...

MINIATURE MICROSWITCHES - PREMIUM V3 Dual-current - 83161 › High precision flexible leaf snap-action mechanism › Operation without balance-point, even at extremely slow actuating speed › Broad range of operating forces from 0.15 N to 3 N › Use from 1 mA 4 Vc to 5 A 250 Va › Operating temperature from -60 °C up to +150 °C - High resistance to shock and vibration › Mechanical life up to 50 million cycles › ENEC and cURus approved › Wide choice of actuators on 4 possible fixing positions (pre-assembled or retrofittable) Main specifications Function I (changeover) I (changeover) I (changeover) I...

Product adaptations › Special levers: special shapes and lengths, flexible levers, adjustable, two-pole, pinned, …. › Special connections: angled, with 7mm spacing (RAST 7-W3R7), for PCB, long solder (W2L), … › High operating temperature: +150 °C › Reduced or increased switching hysteresis: max 0.1 mm to max 0.8 mm differential travel › Specific operating force easily achievable › Telescopic plunger and adjustable fixing by threaded barrel: plastic version (161L accessory) or metal version (SP9603) › Housing material complying with IEC 60335-1 for unattended appliances: GWFI 850° C / GWIT 775°...