SnapAction - Small & Mini Microswitch CONTACT RATING: From low level* to 21 AMPS @ 277 V AC. ELECTRICAL LIFE: 300,000 cycles at 10 AMPS @ 250 V AC, consult Customer Service Center for typical life of higher rated switches. INSULATION RESISTANCE: 1,000 M ohm min. DIELECTRIC STRENGTH: 1,500 Vrms min. @ sea level. OPERATING TEMPERATURE: –40ºF to 185ºF (–40ºC to 85ºC). OPERATING FORCE: From 15 to 400 grams at actuator button available. MOUNTING: Torque screws 2-5 in/lbs.