Snap-acting A Series General Purpose Snap-acting Switches Features/Benefits Typical Applications • Low cost—high 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 30 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: –67ºF to 185ºF (–55ºC to 85ºC). 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 30.1 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 30.1 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 30.1 AMPS. For information on specific and custom switches, consult Customer Service Center. Build-A-Switch To order, simply select desired option from each category and place in the appropriate box. Available options are shown and described on pages J-78 through J-81. 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 www.ckswitches.com J–77 A Series General Purpose Snap-acting Switches SERIES A  GENERAL PURPOSE SNAP-ACTING SWITCHES NO. POLES S  SINGLE POLE SWITCH J Mounting holes will accept pins or screws of .139 dia. (3,53) max., on 1.000 (25,40) centers. D  DOUBLE 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 www.ckswitches.com J–78 Snap-acting Snap-acting A Series General Purpose Snap-acting Switches OPERATING FORCE BASICSWITCH NO. OPERATING FORCE OPTION CODE POLES (OZ./GRAMS) 20 KH SP 567 30 PD DP 850 5 GG SP 142 40 PF DP 1134 NOTE: Operating force varies with actuator, see ACTUATOR option section. ELECTRICAL RATING J CONTACT MATERIAL OPTION CODE MOVABLE CONTACT STATIONARY CONTACT ELECTRICALRATING Fine silver welded on brass 15 AMPS @ 125 & 250 V AC; 3/4 HP @ 125 V AC; Fine silver. C2 base alloy. 1-1/2 HP @ 250 V AC. Silver welded on copper 25 AMPS @ 125 & 250 V AC; 1 HP @ 125 V AC; F3 Silver alloy. base alloy. 2 HP @ 250 V AC; 2 AMPS @ 24 V DC. Gold alloy on brass base Gold alloy. From low level* to 1 AMP @ 125 V AC, 30 V DC. F5 alloy. Contact Customer Service Center for availability and delivery of nonstandard ratings. All models with all options. * Low Level=conditions where no arcing occurs during switching, i.e., 0.4 VA max. @ 20 V AC or DC max. * Note: See Technical Data section of this catalog for RoHS compliant and compatible definition and specifications. AVAILABLE COMBINATIONS OPERATING FORCE (OZ./GRAMS) GG KH PD PF ELECTRICAL 5 20 30 40 142 567 850 1134 C2 • •• • F3 x • • • F5 • • • • • AVAILABLE x NOTAVAILABLE Dimensions are shown: Inch (mm) Specifications and dimensions subject to change www.ckswitches.com J–79 RATING A Series General Purpose Snap-acting Switches ACTUATOR A OPTION B CODE FIG. DIM. A DIM. B DIM. C DIM. D DIM. E DIM. F .50 .285 ± .030 P0 1 — — — — (12,7) (7,24 ± 0,76) 1.38 .718 ± .062 .375 dia. .50 .50 A0 3 — (35,1) (18,24 ± 1,57) (9,53Ø) (12,7) (12,7) 1.25 .718 ± .062 .375 dia. .50 4 — — A2 (31,8) (18,24 ± 1,57) (9,53Ø) (12,7) FIG. 1 High Overtravel Plunger 1.50 .40 ± 0.1 .98 dia. 6 — — — B1 (38,1) (10,2 ± 2.54) (24,9Ø) NOTE: The “H0” high overtravel plunger option provides .100 (2,54) min. overtravel and longer 1.50 .40 ± 0.1 .98 dia. 6 — — — BB mechanical life (1,000,000 operations typical). (38,1) (10,2 ± 2.54) (24,9Ø) .50 .810 ± .030 .38 .25 dia. J0 5 — — A (12,7) (20,6 ± 0,8) (9,7) (6,4Ø) 1.62 .312 ± .062 .50 C L0 2 — — — (41,1) (17,92 ± 1,57) (12,7) .50 .670 ± .030 .38 .25 dia. B 5 — — Q0 (12,7) (17,02 ± 0,76) (9,6) (6,4Ø) 1.50 .318 ± .062 .50 .50 7 — — T0 (38,1) (8,08 ± 1,57) (12,7) (12,7) .801 ± .062 1.50 .375 dia. .50 W0 8 — — (38,1) (20,34 ± 1,57) (12,7) (9,53ø) FIG. 2 Leaf C C A A J E D E D F B B FIG. 3 FIG. 4 Lever Roller Lever roller (High Force) A PANEL MOUNTING A D C 6-32 NC THD 2 places B PANEL MOUNTING B C .322 .003 (8,18 0,08) 0.144 DIA. min .380±.003 2 places (9,65± ?0,08) FIG. 5 FIG. 6 High Overtravel Plunger B1 – Black Button BB – Red Button Torque 20 in/lbs max. (Nut) A C D A D C B B FIG. 8 FIG. 7 Leaf Roller Lever Dimensions are shown: Inch (mm) Specifications and dimensions subject to change www.ckswitches.com J–80 Snap-acting Snap-acting A Series General Purpose Snap-acting Switches ACTUATOR SWITCH CHARACTERISTICS MAXIMUM OPERATING MINIMUM RELEASE MAXIMUM MINIMUM OPERATING FORCE (OZ./GRAMS) FORCE (OZ./GRAMS) PRETRAVEL OVERTRAVEL POSITION OPTION GG KH PD PF GG KH PD PF GG KH PD PF GG KH PD PF GG KH PD PF CODE S.P. S.P. D.P D.P. S.P. S.P. D.P D.P. S.P. S.P. D.P D.P. S.P. S.P. D.P D.P. S.P. S.P. D.P D.P. 1.5 4 6 10 0.3 0.5 1 .312 .718 312 .187 A0 42.5 113 170 283 8.5 14 28 (7,92) (18,24) (7,92) (4,75) 1.5 4 6 10 0.4 0.5 1 .25 .718 .14 A2 42.5 113 170 283 11 14 28 (6,4) (18,24) (5,6) 8 20 30 40 1 3 6 .050 050 B1 227 567 850 1134 28 85 170 (1,27) — (1,27) 8 20 30 40 1 3 6 .050 .050 BB 227 567 850 1134 28 85 170 (1,27) (1,27) — 5 20 30 40 1 3 6 .050 .187 J0 — 142 567 850 1134 28 85 170 (1,27) (4,75) .312 3 12 18 22 0.5 1 2 .281 . 062 L0 (7,92) 85 340 510 624 14 28 56.7 (7,14) (1,57) 8 20 30 40 1 3 6 .050 .050 P0 227 567 850 1134 28 85 170 (1,27) — (1,27) 5 20 30 40 1 3 6 .050 .050 Q0 142 567 850 1134 28 85 170 (1,27) (1,27) — 1.5 4 6 10 0.3 0.5 1 .312 .187 312 T0 42.5 113 170 283 8.5 14 28 (7,92) (4,75) (7,92) J 3 12 18 22 0.5 1 2 .281 .062 .718 W0 85 340 510 624 14 28 56.7 (7,14) (1,57) (18,24) NOTE: For basic switch operating forces, see page J-77. TERMINATIONS 4A  .250” QUICK CONNECT NOTE: Terminals can be supplied at various angles. Other terminal styles can be supplied for special applications. Consult Customer Service Center for special requirements. Washer and nut ship with switch CIRCUITRY C  DT (Double Throw, Normally Open & Normally Closed) W  ST N.C. (Single Throw, Normally Closed) Y  ST N.O. (Single Throw, Normally Open) NOTE: To select number of poles, see NO. POLES section, page J-56 Dimensions are shown: Inches (mm) Specifications and dimensions subject to change www.ckswitches.com J–81