HB Series
Single Pole Standard Precision Snap-acting Switches
Features/Benefits
Typical Applications
•
•
•
•
Low differential travel, high repeatability
Long life—150,000 cycles typical
Single and double pole circuitry
Sealed actuator and case
•
•
•
Thermostats
Motors
Industrial controls
Models Available
Specifications
Materials
CONTACT RATING: From low level* to 20 AMPS @ 480 V AC;
SWITCH HOUSING: Heat resistant/electrical grade phenolic.
INSERTS: Brass alloy.
see ELECTRICAL RATING option section for complete listings.
ELECTRICAL LIFE: 150,000 cycles at 20 AMPS @ 250 V AC.
consult Customer Service Center for typical life at other ratings.
ACTUATOR BUTTON: Moisture resistant phenolic.
SPRING: Copper alloy.
INSULATION RESISTANCE: 1,000 M ohm min.
PIVOT: Brass alloy.
DIELECTRIC STRENGTH: 1,500 Vrms min. @ sea level.
OPERATING TEMPERATURE: –67ºF to 302ºF (–55ºC to 150ºC).
MOVABLE CONTACTS: Gold alloy for ratings 1 AMP or less.
Fine silver for ratings greater than 1 AMP and motor load
ratings less than 1/2 HP @ 125 V AC. Silver alloy for motor
load ratings 1/2 HP @ 125 V AC or greater.
OPERATING FORCE: From 4 oz. to 26 oz. max. at actuator
button available.
MOUNTING SCREWS: Torque 3 in/lbs max.
(Note: Exceeding 3 in/lbs torque may change operating
characteristics and increase the possibility of cracking
switch case).
STATIONARY CONTACTS: Gold alloy for ratings 1 AMP or less.
Fine silver welded to copper base for ratings greater than
1 AMP and motor load ratings less than 1/2 HP @ 125 V AC.
Silver alloy on copper base for motor load ratings 1/2 HP @
125 V AC or greater.
J
TERMINAL SCREWS: Torque 4 in/lbs max.
TERMINALS: Brass alloy, bright tin plated.
PANEL MOUNTING BUSHING: Torque 4-6 in/lbs max.
DEGREE OF PROTECTION: IP65; Dust-proof, water splash and
dew condensation.
NOTE: Specifications and materials listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
* Low Level=conditions where no arcing occurs during switching, i.e., 0.4 VA max. @
20 V AC or DC max.
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-50 thru J-54. For additional options not shown in catalog, consult Customer Service Center.
H
B
S
S
C
Series
HB Precision Snap-acting Switches
Operating Force
KG 18 oz./510 grams
GF 4 oz./113 grams
KA 9 oz./255 grams
KC 13 oz./368 grams
KH 20 oz./567 grams
PB 26 oz./737 grams
Mounting Style
Circuitry
C SPDT
Function
S
Standard
S
SP
Contact Separation
2
1
4
7
.020"
.010"
.040"
.070"
Electrical Rating
B4 20 A, 125, 250, 480 V AC;
Actuator
0.25 A, 250 V DC; 0.5 A, 125 V DC
P0 Pin plunger
A0 Lever roller
D0 Stub plunger
F0 Reverse acting lever roller
J0 High overtravel plunger
R5 Perpendicular roller plunger
T0 Lever
A2 5 A, 125, 250 V AC
Terminations
11 Flat base, solder, 4-40 screws
41 Flat base, .250" quick connect
B6 20 A, 125, 250, 480 V AC; 0.25 A,
250 V DC; 0.5 A, 125 V DC; 3/4 HP,
125 V AC; 1 1/2 HP, 25O V AC
F5 1 A,125 V AC; 1 A, 3O V DC
F9 22 A, 125, 277 V AC; 15 A, 480 V AC;
1/4 HP, 125 V AC; 1/2 HP, 250 V AC
X3 20 A, 125, 250, 480 V AC; 0.25 A,
250 V DC; 0.5 A, 125 V DC; 15(10) A,
380 V~ 185 +++ µ (VDE)
55 Step base, cup washers, 6-32 screws
TS Sealed Lever
Y0 Reverse acting lever
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ck-components.com
J–49