Model: WH-4

Thermostatic Switch

Properties:

Overall Length
2.438 inches
Overall Height
2.906 inches
Overall Width
1.500 inches
Unthreaded Mounting Hole Diameter
0.219 inches
Distance Between Mounting Facility Centers
2.000 inches
Tempurature Sensing Element Type
Internal sensor
Mounting Method
Unthreaded hole
Contact Action Stimulus
Increase
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 two circuit, one position momentary
Terminal Type
Screw
Contact Adjustability
Deactuation point adjustable and actuation point adjustable, preset
Contact Adjustment Range
+120.00/+170.00 actuation point degrees fahrenheit
Contact Adjustment Type
External actuation point screw with scale
Contact Stimulus Rating
150.00 actuation point degrees fahrenheit and 20.00 differential point degrees fahrenheit and 30.00 differential point degrees fahrenheit
Contact Voltage Rating In Volts
240.0 ac at sea level single voltage
Media For Which Designed
Gas or liquid
Style Designator
Rectangular
NSN
5930-00-588-8939
Part Number
WH-4
Description
Switch,thermostatic
CAGE
50568

A switch that is actuated by changes in ambient temperature. Excludes circuit breaker; control, temperature (as modified); fuse (as modified); protector, thermal-overload, electrical motor; relay, thermal; and thermostat, flow control. See also control, temperature (as modified) and regulator, temperature (as modified).

Part WH-4 NSN 5930-00-588-8939

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00451
FIIG:
A048B0
Concept No.:
1
App. Key:
F
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 9032100000
  • SITC: 87461
  • End Use: Measuring, testing, control instruments
  • NAICS: 334512
  • USDA: 1

Freight Class: Thermostats

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