C&K General Purpose Snap-acting Switches Service Manual

K

Snap-acting

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

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.

* 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 r
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.

egarding RoHS compliance, please go

Typical Applications

• Enclosure equipment

• Garage door openers

ending machines

• V

Models Available

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.

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.

4 AA

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

* Single Pole
** Double Pole

Electrical Rating

C2 15 A, 125, 25O V AC;

F3 25 A, 125, 250 V AC; 1 HP, 125 V Ac;

F5 1 A, 125 V AC, 3O V DC

125 V AC; 1 1/2 HP, 250 V AC

,

3/4 HP

2 HP

, 250 V AC; 2 A, 24 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

erminations

T

4A .250" quick connect

cuitry

Cir

C

DT

W ST N.C.
Y ST N.O.

K–44

Specifications and dimensions subject to change

Dimensions are shown: Inch (mm)

.ittcannon.com

www

K

Snap-acting

A GENERAL PURPOSE SNAP-ACTING SWITCHES

S SINGLE POLE SWITCH

C&K A Series

General Purpose Snap-acting Switches

SERIES

NO. POLES

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.
.

K-45

Specifications and dimensions subject to change

Dimensions are shown: Inch (mm)

.ittcannon.com

www