C&K A Series General Purpose Snap-acting Switches
Features/Benefits • Low cost—high performance • Long electrical life • Single and double pole • Sealed actuator option available Typical Applications • Enclosure equipment • Garage door openers • Vending machines
Models Available
Specifications
CONTACT RATING: From low level* to 30.1 AMPS @ 277 V AC. ELECTRICAL LIFE: 75,000 cycles at 25 AMPS @ 250 V AC, 200,000 cycles at 15 AMPS @ 250 V AC. INSULATION RESISTANCE: 1,000 M ohm min. DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level. OPERATING TEMPERATURE: –67ºF to 185ºF (–55ºC to 85ºC). OPERATING FORCE: 20 oz. (567 grams) max. SP models. 40 oz. (1134 grams) max. DP models at actuator button. MOUNTING: Torque screws 3 in/lbs max.
Materials
SWITCH HOUSING: Heat resistant phenolic (UL 94V-0). ACTUATOR BUTTON: Heat resistant phenolic (UL 94V-0). SPRING: Copper alloy. PIVOT: Brass alloy for models up to 15 AMPS. Copper for 25 AMP models. MOVABLE CONTACTS: Gold alloy for ratings 1 AMP or less. Fine silver for ratings up to 15 AMPS. Precious metal alloy for ratings of 30.1 AMPS. STATIONARY CONTACTS: Gold alloy on brass base alloy for ratings 1 AMP or less. Fine silver welded on brass base alloy for ratings greater than 1 AMP up to 15 AMPS. Fine silver welded on copper alloy for ratings 30.1 AMPS. TERMINALS: Brass alloy for 1 AMP up to 15 AMPS. Copper alloy for 30.1 AMPS.
K Snap-acting
* Low Level=conditions where no arcing occurs during switching, i.e., 0.4 VA max. @ 20 V AC or DC max. NOTE: For the latest information regarding RoHS compliance, please go to: www.ittcannon.com/rohs. NOTE: Specifications and materials listed above are for switches with standard options. 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 K-45 through K-49. For additional options not shown in catalog, consult Customer Service Center.
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 PF**40 oz./1134 grams 4 A
Electrical Rating C2 15 A, 125, 25O V AC; 3/4 HP, 125 V AC; 1 1/2 HP, 250 V AC F3 25 A, 125, 250 V AC; 1 HP, 125 V Ac; 2 HP, 250 V AC; 2 A, 24 V DC F5 1 A, 125 V AC, 3O V DC
Actuator P0 Pin plunger T0 Lever A0 Lever roller 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 Circuitry C DT W ST N.C. Y ST N.O.
* Single Pole ** Double Pole
Dimensions are shown: Inch (mm) Specifications and dimensions subject to change
K–44
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C&K A Series General Purpose Snap-acting Switches
SERIES
A
GENERAL PURPOSE SNAP-ACTING SWITCHES
NO. POLES
S
SINGLE POLE SWITCH
K Snap-acting
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 K-49. . Dimensions are shown: Inch (mm) Specifications and dimensions subject to change
K-45
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C&K A Series General Purpose Snap-acting Switches
OPERATING FORCE
OPTION CODE
NO. POLES SP
BASIC SWITCH OPERATING FORCE (OZ./GRAMS) 20 567 30 850 5 142 40 1134
KH PD GG PF
DP
SP
DP
NOTE: Operating force varies with actuator, see ACTUATOR option section.
ELECTRICAL RATING
K
CONTACT MATERIAL
Snap-acting
OPTION CODE
ROHS COMPLIANT * YES YES YES
ROHS COMPATIBLE* YES YES YES
MOVABLE CONTACT Fine silver. Precious metal alloy. Gold alloy.
STATIONARY CONTACT Fine silver welded on brass base alloy. Silver welded on copper base alloy. Gold alloy on brass base alloy.
ELECTRICAL RATING 15 AMPS @ 125 & 250 V AC; 3/4 HP @ 125 V AC; 1-1/2 HP @ 250 V AC. 25 AMPS @ 125 & 250 V AC; 1 HP @ 125 V AC; 2 HP @ 250 V AC; 2 AMPS @ 24 V DC. From low level* to 1 AMP @ 125 V AC, 30 V DC.
C2 F3 F5
* Note: See Technical Data section of this catalog for RoHS compliant and compatible definition and specifications.
All models
with all options.
Contact Customer Service Center for availability and delivery of nonstandard ratings. * Low Level=conditions where no arcing occurs during switching, i.e., 0.4 VA max. @ 20 V AC or DC max.
AVAILABLE COMBINATIONS
OPERATING FORCE (OZ./GRAMS) ELECTRICAL RATING C2 F3 F5 GG 5 142 KH 20 567 PD 30 850 PF 40 1134
x x •
• • •
• • x
• • x
• AVAILABLE x NOT AVAILABLE
Dimensions are shown: Inch (mm) Specifications and dimensions subject to change
K-46
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C&K A Series General Purpose Snap-acting Switches
ACTUATOR
A OPTION CODE FIG. 1 3 4 6 6 5 2 5 7 8 DIM. A .50 (12,7) 1.38 (35,1) 1.25 (31,8) 1.50 (38,1) 1.50 (38,1) .50 (12,7) 1.62 (41,1) .50 (12,7) 1.50 (38,1) 1.50 (38,1) DIM. B .285 ± .030 (7,24 ± 0,76) .718 ± .062 (18,24 ± 1,57) .718 ± .062 (18,24 ± 1,57) .40 (10,2) .40 (10,2) .810 ± .030 (20,6 ± 0,8) .312 ± .062 (17,92 ± 1,57) .670 ± .030 (17,02 ± 0,76) .312 ± .062 (7,92 ± 1,57) .718 ± .062 (18,24 ± 1,57) DIM. C — .375 dia. (9,53Ø) .375 dia. (9,53Ø) .98 dia. (24,9Ø) .98 dia. (24,9Ø) .38 (9,7) .50 (12,7) .38 (9,6) .50 (12,7) .375 dia. (9,53ø) DIM. D — .50 (12,7) .50 (12,7) — — .25 dia. (6,4Ø) — .25 dia. (6,4Ø) .50 (12,7) .50 (12,7) DIM. E — .50 (12,7) — — — — — — — — DIM. F — — — — — — — — — — B B
P0 A0 A2 B1 BB J0 L0 Q0 T0 W0
FIG. 1 High Overtravel Plunger
NOTE: The “H0” high overtravel plunger option provides .100 (2,54) min. overtravel and longer mechanical life (1,000,000 operations typical). A C
FIG. 2 Leaf
C
A E D
C A E B F D
K Snap-acting
B
FIG. 3 Lever Roller
FIG. 4 Lever roller (High Force)
A D
A C
PANEL MOUNTING
B C B PANEL MOUNTING .322 .003 (8,18 0,08)
FIG. 5 High Overtravel Plunger
.380±.003 (9,65±0,08) ?
6-32 NC THD (2)
FIG. 6 B1 – Black Button BB – Red Button
C A D B
A D C B
FIG. 7 Lever
FIG. 8 Leaf Roller
Dimensions are shown: Inch (mm) Specifications and dimensions subject to change
K–47
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C&K A Series General Purpose Snap-acting Switches
ACTUATOR
SWITCH CHARACTERISTICS
MAXIMUM OPERATING FORCE (OZ./GRAMS) OPTION CODE A0 A2 B1 BB J0 L0 P0 Q0 GG S.P. 1.5 42.5 1.5 42.5 8 227 8 227 5 142 3 85 8 227 5 142 1.5 42.5 3 85 KH S.P. 4 113 4 113 20 567 20 567 20 567 12 340 20 567 20 567 4 113 12 340 PD D.P 6 170 6 170 30 850 30 850 30 850 18 510 30 850 30 850 6 170 18 510 PF D.P. 10 283 10 283 40 1134 40 1134 40 1134 22 624 40 1134 40 1134 10 283 22 624 MINIMUM RELEASE FORCE (OZ./GRAMS) GG S.P. 0.3 8.5 0.4 11 1 28 1 28 1 28 0.5 14 1 28 1 28 0.3 8.5 0.5 14 KH S.P. 0.5 14 0.5 14 3 85 3 85 3 85 1 28 3 85 3 85 0.5 14 1 28 PD D.P 1 28 1 28 6 170 6 170 6 170 2 56.7 6 170 6 170 1 28 2 56.7 PF D.P. MAXIMUM RELEASE FORCE (OZ./GRAMS) GG S.P. KH S.P. PD D.P PF D.P. GG S.P. MAXIMUM PRETRAVEL KH S.P. PD D.P PF D.P. GG S.P. MINIMUM OVERTRAVEL KH S.P. PD D.P PF D.P. GG S.P. OPERATING POSITION KH S.P. PD D.P PF D.P.
.062 (1,57) .045 (1,14) .010 (0,25) .010 (0,25) .010 (0,25) .094 (2,39) .010 (0,25) .010 (0,25) .062 (1,57) .094 (2,39)
.312 (7,92) .25 (6,4) .050 (1,27) .050 (1,27) .050 (1,27) .281 (7,14) .050 (1,27) .050 (1,27) .312 (7,92) .281 (7,14)
.312 (7,92) .14 (5,6) .050 (1,27) .050 (1,27) .187 (4,75) .062 (1,57) .050 (1,27) .050 (1,27) .187 (4,75) .062 (1,57)
.187 (4,75)
.718 (18,24) .718 (18,24) — — — .312 (7,92) — — .312 (7,92) .718 (18,24)
K Snap-acting
T0 W0
NOTE: For basic switch operating forces, see page K-46.
Dimensions are shown: Inch (mm) Specifications and dimensions subject to change
K–48
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C&K A Series General Purpose Snap-acting Switches
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.
K Snap-acting
CIRCUITRY
C W Y
DT (Double Throw, Normally Open & Normally Closed) ST N.C. (Single Throw, Normally Closed) ST N.O. (Single Throw, Normally Open)
NOTE: To select number of poles, see NO. POLES section, page K-45.
Dimensions are shown: Inch (mm) Specifications and dimensions subject to change
K–49
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