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.
MOUNTING NUT: 20 in/lbs max. torque
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. Silver 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.
J
* Low Level=conditions where no arcing occurs during switching, i.e., 0.4 VA max. @
20 V AC or DC max.
NOTE:
Specifications and materials listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
Snap-acting
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-56 through J-59. 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: Inches (mm)
Specifications and dimensions subject to change
J–56
www.ck-components.com
A Series
General Purpose Snap-acting Switches
SERIES
A
GENERAL PURPOSE SNAP-ACTING SWITCHES
NO. POLES
S
SINGLE POLE SWITCH
J
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 J-59.
.
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
J–57
www.ck-components.com
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
J
CONTACT MATERIAL
OPTION CODE
MOVABLE CONTACT
Fine silver.
Silverl 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.
Snap-acting
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
•
•
•
•
•
•
•
•
•
•
•
AVAILABLE
x
NOT AVAILABLE
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
J–58
www.ck-components.com
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
D
J
Snap-acting
B
F
B
FIG. 3
Lever Roller
FIG. 4
Lever roller (High Force)
A
D
6-32 NC THD
2 places
A
C
PANEL MOUNTING
B
C
B
PANEL MOUNTING
.322 .003
(8,18 0,08)
FIG. 5
High Overtravel Plunger
Torque 20 in/lbs max. (Nut)
.380 ± .003
(9,65 ± 0,08)
?
0.144 DIA. min
2 places
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
J–59
www.ck-components.com
A Series
General Purpose Snap-acting Switches
ACTUATOR
SWITCH CHARACTERISTICS
MAXIMUM OPERATING
FORCE (OZ./GRAMS)
OPTION
CODE
A0
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
PF
D.P.
1
28
1
28
6
170
6
170
6
170
2
56.7
6
170
6
170
1
28
2
56.7
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.
.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)
A2
B1
—
BB
—
J0
—
.312
(7,92)
L0
P0
—
Q0
—
312
(7,92)
.718
(18,24)
J
T0
Snap-acting
W0
NOTE:
For basic switch operating forces, see page J-57.
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
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 J-56
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
J–60
www.ck-components.com
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