Model: 438-293

Thermostatic Switch

Properties:

Thread Class
2b all threaded hole
Overall Length
0.828 inches
Overall Height
0.312 inches
Body Diameter
0.640 inches
Distance Between Mounting Facility Centers
0.438 inches
Tempurature Sensing Element Type
Internal sensor
Mounting Method
Bracket and threaded hole
Thready Qty Per Inch (tpi)
72 all threaded hole
Contact Action Stimulus
Increase
Thread Size
0.073 inches all threaded hole
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 pole, single throw, both positions maintained
Terminal Type
Tab, solder lug and tab w/screw
Contact Load Current Rating
3.0 amperes resistive load fifth voltage
Contact Load Current Rating
3.0 amperes resistive load sixth voltage
Contact Load Current Rating
1.0 amperes resistive load seventh voltage
Contact Load Current Rating
10.0 amperes resistive load first voltage
Contact Load Current Rating
5.0 amperes resistive load fourth voltage
Contact Load Current Rating
5.0 amperes resistive load second voltage
Contact Load Current Rating
5.0 amperes resistive load third voltage
Contact Adjustability
Deactuation point not adjustable and actuation point not adjustable
Contact Stimulus Rating
35.00 actuation point degrees celsius and 20.00 deactuation point degrees celsius and 15.00 differential point degrees celsius
Contact Voltage Rating In Volts
115.0 dc at sea level seventh voltage
Contact Voltage Rating In Volts
12.0 dc at sea level fourth voltage
Contact Voltage Rating In Volts
125.0 ac at sea level first voltage
Contact Voltage Rating In Volts
230.0 ac at sea level second voltage
Contact Voltage Rating In Volts
30.0 dc at sea level fifth voltage
Contact Voltage Rating In Volts
50.0 dc at sea level sixth voltage
Contact Voltage Rating In Volts
6.0 dc at sea level third voltage
Media For Which Designed
Gas or liquid
Style Designator
Disc
Thread Series Designator
Unf all threaded hole
NSN
5930-00-557-6151
Part Number
438-293
Description
Switch,thermostatic
CAGE
93410

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 438-293 NSN 5930-00-557-6151

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:
723
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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