Dimensions are shown: mm
Specifications and dimensions subject to change
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J–71
HB Series
Single Pole Standard Precision Snap-acting Switches
Features/Benefits
•
Low differential travel, high repeatability
•
Long life—150,000 cycles typical
•
Single and double pole circuitry
•
Sealed actuator and case
Typical Applications
•
Thermostats
•
Motors
•
Industrial controls
Specifications
CONTACT RATING: From low level* to 20 AMPS @ 480 V AC;
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.
INSULATION RESISTANCE: 1,000 M ohm min.
DIELECTRIC STRENGTH: 1,500 Vrms min. @ sea level.
OPERATING TEMPERATURE: –67ºF to 302ºF (–55ºC to 150ºC).
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).
TERMINAL SCREWS: Torque 4 in/lbs max.
PANEL MOUNTING BUSHING: Torque 4-6 in/lbs max.
DEGREE OF PROTECTION: IP65; Dust-proof, water splash and
dew condensation.
* Low Level=conditions where no arcing occurs during switching, i.e., 0.4 VA max. @
20 V AC or DC max.
Materials
SWITCH HOUSING: Heat resistant/electrical grade phenolic.
INSERTS: Brass alloy.
ACTUATOR BUTTON: Moisture resistant phenolic.
SPRING: Copper alloy.
PIVOT: Brass alloy.
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.
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.
TERMINALS: Brass alloy, bright tin plated.
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 J-72 through J-76. For additional options not shown in catalog, consult Customer Service Center.
H B
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
Contact Separation
2
.020"
1 .010"
4 .040"
7 .070"
Electrical Rating
B4
20 A, 125, 250, 480 V AC;
0.25
A,
250
V DC; 0.5 A, 125 V DC
A2 5 A, 125, 250 V AC
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
Actuator
P0
Pin plunger
A0 Lever roller
D0 Stub plunger
F0 Reverse acting lever roller
J0 High overtra
vel plunger
R5 Perpendicular roller plunger
T0 Lever
TS Sealed Lever
Y0 Reverse acting lever
T
erminations
11
Flat base, solder, 4-40 screws
41 Fla
t base,
.250" quick connect
55 Step base, cup washers, 6-32 screws
Cir
cuitry
C
SPDT
Mounting Style
S
Standard
S
Function
S
SP
S C
