Model: 439-287

Thermostatic Switch

Properties:

Overall Length
Between 1.344 inches and 1.406 inches
Overall Height
1.031 inches
Overall Width
0.375 inches
Body Length
Between 0.719 inches and 0.781 inches
Body Width
0.375 inches
Body Height
Between 0.735 inches and 0.797 inches
Unthreaded Mounting Hole Diameter
0.147 inches
Distance Between Mounting Facility Centers
1.125 inches
Tempurature Sensing Element Type
Internal sensor
Mounting Method
Bracket and unthreaded hole
Features Provided
Hermetically sealed case
Contact Action Stimulus
Increase
Mounting Facility Pattern
Two position in-line
Nonpile-up Contact Arrangement
1 pole, single throw, normally closed, momentary action
Terminal Type
Tab, solder lug
Contact Load Current Rating
2.0 amperes resistive load third voltage
Contact Load Current Rating
3.0 amperes resistive load second voltage
Contact Load Current Rating
7.0 amperes resistive load first voltage
Contact Adjustability
Actuation point not adjustable
Contact Stimulus Rating
74.00 actuation point degrees celsius and 82.00 actuation point degrees celsius and 58.00 deactuation point degrees celsius
Contact Voltage Rating In Volts
115.0 ac at sea level first voltage
Contact Voltage Rating In Volts
230.0 ac at sea level second voltage
Contact Voltage Rating In Volts
28.0 dc at sea level third voltage
Frequency In Hertz
60.0 first voltage
Frequency In Hertz
60.0 second voltage
Media For Which Designed
Gas
Style Designator
Rectangular w/bracket
NSN
5930-00-950-6056
Part Number
439-287
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 439-287 NSN 5930-00-950-6056

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:
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:
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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