Model: 203NN-K125

Thermostatic Switch

Properties:

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
NSN
5930-01-288-3834
Part Number
203NN-K125
Description
Switch,thermostatic
CAGE

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 203NN-K125 NSN 5930-01-288-3834

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:
A
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
3.0000lbs
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:
063250
UFC:
34410
LTL:
RATING VARIABLE
LCL:
--
WCC:
657
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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