Model: 21494-2

Thermostatic Switch

Properties:

Thread Class
2a single threaded bushing
Thread Length
0.375 inches single threaded bushing
Hazardous Locations/environmental Protection
Watertight
Overall Length
0.890 inches
Body Length
0.890 inches
Tempurature Sensing Element Type
Internal sensor
Width Across Flats
1.000 inches
Mounting Method
Threaded bushing
Thready Qty Per Inch (tpi)
16 single threaded bushing
Contact Action Stimulus
Increase
Thread Size
0.750 inches single threaded bushing
Nonpile-up Contact Arrangement
1 pole, single throw, normally open, momentary action
Terminal Type
Wire lead
Contact Load Current Rating
2.0 amperes resistive load first voltage
Contact Load Current Rating
4.0 amperes resistive load second voltage
Contact Load Current Rating
6.0 amperes resistive load third voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
400.00 actuation point degrees fahrenheit and 430.00 actuation point degrees fahrenheit and 300.00 deactuation point degrees fahrenheit and 330.00 deactuation point degrees fahrenheit
Contact Voltage Rating In Volts
125.0 ac at sea level second voltage
Contact Voltage Rating In Volts
250.0 ac at sea level first voltage
Contact Voltage Rating In Volts
30.0 dc at sea level third voltage
Frequency In Hertz
60.0 single voltage
Media For Which Designed
Gas or liquid
Style Designator
Plug
Thread Series Designator
Unf single threaded bushing
NSN
5930-00-137-8823
Part Number
21494-2
Description
Switch,thermostatic
CAGE
82647

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 21494-2 NSN 5930-00-137-8823

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:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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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