Model: A30-1837

Thermostatic Switch

Special Features:

Weapon system essential

Properties:

Hazardous Locations/environmental Protection
Dustproof
Overall Length
3.375 inches
Overall Height
3.156 inches
Overall Width
1.938 inches
Unthreaded Mounting Hole Diameter
0.185 inches
Distance Between Mounting Facility Centers
2.187 inches
Capillary Tube Length
48.0 inches
Bulb Length
1.500 inches
Bulb Diameter
0.375 inches
Tempurature Sensing Element Type
Capillary tube-bulb
Mounting Method
Bracket and unthreaded hole
Features Provided
Automatic reset
Contact Action Stimulus
Increase
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 pole, single throw, normally open, momentary action
Criticality Code Justification
Feat
Terminal Type
Tab, solder lug
Contact Load Current Rating
2.4 amperes resistive load third voltage
Contact Load Current Rating
3.7 amperes resistive load first voltage
Contact Load Current Rating
7.4 amperes resistive load second voltage
Contact Adjustability
Deactuation point adjustable and actuation point adjustable
Contact Adjustment Range
+36.00/+60.00 actuation point degrees fahrenheit and +36.00/+60.00 deactuation point degrees fahrenheit
Contact Adjustment Type
External deactuation point shaft and external actuation point shaft
Contact Voltage Rating In Volts
115.0 ac at sea level second voltage
Contact Voltage Rating In Volts
115.0 dc at sea level third voltage
Contact Voltage Rating In Volts
230.0 ac at sea level first voltage
Media For Which Designed
Gas or liquid
Style Designator
Rectangular
NSN
5930-00-249-4525
Part Number
A30-1837
Description
Switch,thermostatic
CAGE
50992

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 A30-1837 NSN 5930-00-249-4525

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:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.6000lbs
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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