Snap-acting A Series General Purpose Snap-acting Switches Features/Benefits Typical Applications Low costhigh performance Enclosure equipment Long electrical life Garage door openers Single and double pole Vending machines Sealed actuator option available Specifications Materials CONTACT RATING: From low level* to 25 AMPS 277 V AC. SWITCH HOUSING: Heat resistant phenolic (UL 94V-0). ELECTRICAL LIFE: 75,000 cycles at 25 AMPS 250 V AC, ACTUATOR BUTTON: Heat resistant phenolic (UL 94V-0). 200,000 cycles at 15 AMPS 250 V AC. SPRING: Copper alloy. INSULATION RESISTANCE: 1,000 M ohm min. PIVOT: Brass alloy for models up to 15 AMPS. DIELECTRIC STRENGTH: 1,000 Vrms min. sea level. Copper for 25 AMP models. OPERATING TEMPERATURE: 67F to 302F (55C to 150C). MOVABLE CONTACTS: Gold alloy for ratings 1 AMP or less. OPERATING FORCE: 20 oz. (567 grams) max. SP models. Fine silver for ratings up to 15 AMPS. Silver alloy 40 oz. (1134 grams) max. DP models at actuator button. for ratings of 25 AMPS. MOUNTING: Torque screws 3 in/lbs max. STATIONARY CONTACTS: Gold alloy on brass base alloy for ratings 1 AMP or less. Fine silver welded on brass base MOUNTING NUT: 20 in/lbs max. torque alloy for ratings greater than 1 AMP up to 15 AMPS. * Low Level=conditions where no arcing occurs during switching, i.e., 0.4 VA max. J Fine silver welded on copper alloy for ratings 25 AMPS. 20 V AC or DC max. TERMINALS: Brass alloy for 1 AMP up to 15 AMPS. NOTE: Specifications and materials listed above are for switches with standard options. Copper alloy for 25 AMPS. C&K does provide specific and custom switches at 30 AMPS 277 VAC. Please consult Customer Service Center. Build-A-Switch To order, simply select desired option from each category and place in the appropriate box. For additional options not shown in catalog, consult Customer Service Center. A 4 A Series A General Purpose Snap-acting Switches No. Poles S SP D DP Operating Force KH* 20 oz./567 grams PD** 30 oz./850 grams GG* 5 oz./142 grams Electrical Rating PF**40 oz./1134 grams C2 15 A, 125, 25O V AC Actuator 3/4 HP, 125 V AC 1 1/2 HP, 250 V AC P0 Pin plunger F3 25 A, 125, 250 V AC 1 HP, 125 V Ac T0 Lever 2 HP, 250 V AC 2 A, 24 V DC A0 Lever roller F5 1 A, 125 V AC, 3O V DC A2 Lever roller, high force BB Large red button B1 Large black button J0 High overtravel plunger L0 Leaf Q0 High operating position plunger W0 Leaf roller Terminations 4A .250 quick connect * Single Pole ** Double Pole Circuitry C DT W ST N.C. Y ST N.O. Dimensions are shown: Inch (mm) Specifications and dimensions subject to change 27 Oct 21 www.ckswitches.com J105A Series General Purpose Snap-acting Switches SERIES AGENERAL PURPOSE SNAP-ACTING SWITCHES NO. POLES SSINGLE POLE SWITCH J Mounting holes will accept pins or screws of .139 dia. (3,53) max., on 1.000 (25,40) centers. DDOUBLE POLE SWITCH Mounting holes will accept pins or screws of .139 dia. (3,53) max., on 1.000 (25,40) centers. NOTE: To select switching function, see CIRCUITRY section, page J-81 Dimensions are shown: Inches (mm) Specifications and dimensions subject to change 27 Oct 21 www.ckswitches.com J106 Snap-acting