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Worldwide distributor of NSN parts and consumables located in the USA.

Thermostatic Switch

Model / MPN: 203NN-K125 | NSN: 5930-01-288-3834
ITAR Registered seal

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).

Product Details
NATO Stock Number
5930-01-288-3834
Sold in multiples of
1 EA
DEMIL
NO
Hazardous Locations/environmental Protection
Moisture resistant
Overall Length
4.220 inches
Overall Height
5.450 inches
Overall Width
2.230 inches
Body Height
3.125 inches
Unthreaded Mounting Hole Diameter
0.250 inches
Distance Between Mounting Facility Centers
2.750 inches
Capillary Tube Length
72.0 inches
Bulb Length
4.410 inches
Bulb Diameter
0.380 inches
Tempurature Sensing Element Type
Capillary tube-bulb
Mounting Method
Flange and unthreaded hole
Features Provided
Electrical access port
Contact Action Stimulus
Increase
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Terminal Type
Screw
Contact Load Current Rating
15.0 amperes resistive load first voltage
Contact Load Current Rating
400.0 milliamperes resistive load second voltage
Contact Adjustability
Actuation point adjustable, preset
Contact Adjustment Range
+40.00/+225.00 actuation point degrees fahrenheit
Contact Adjustment Type
Internal actuation point hex nut with scale
Contact Stimulus Rating
160.00 actuation point degrees fahrenheit
Contact Voltage Rating In Volts
125.0 dc at sea level second voltage
Contact Voltage Rating In Volts
480.0 ac at sea level first voltage
Media For Which Designed
Gas or liquid
Style Designator
Rectangular
203NN Series Parts

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203NN-K125 Cross Reference
  • 31036-90164