Model: 4BTF2-55-28

Thermostatic Switch

Properties:

Overall Length
Between 0.322 inches and 0.366 inches
Overall Height
Between 0.065 inches and 0.095 inches
Body Diameter
Between 0.248 inches and 0.278 inches
Tempurature Sensing Element Type
Internal sensor
Mounting Method
Clamp
Features Provided
Hermetically sealed case
Contact Action Stimulus
Increase
Nonpile-up Contact Arrangement
1 pole, single throw, normally open, momentary action
Terminal Type
Wire lead
Contact Load Current Rating
1.0 amperes resistive load first voltage and 500.0 milliamperes inductive load first voltage and 200.0 milliamperes lamp load first voltage
Contact Load Current Rating
500.0 milliamperes resistive load second voltage and 500.0 milliamperes inductive load second voltage and 200.0 milliamperes lamp load second voltage
Contact Adjustability
Actuation point not adjustable and deactuation point not adjustable
Contact Stimulus Rating
262.00 actuation point degrees fahrenheit and 232.00 deactuation point degrees fahrenheit and 248.00 deactuation point degrees fahrenheit and 30.00 differential point degrees fahrenheit
Contact Voltage Rating In Volts
115.0 ac at sea level first voltage
Contact Voltage Rating In Volts
28.0 dc at sea level second voltage
Frequency In Hertz
60.0 first voltage
Media For Which Designed
Gas or liquid
Style Designator
Disc
Test Data Document
81349-mil-s-24236 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Specification Data
81349-mil-s-24236/13 government specification
NSN
5930-01-193-8191
Part Number
4BTF2-55-28
Description
Switch,thermostatic
CAGE
82647

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 4BTF2-55-28 NSN 5930-01-193-8191

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:
0.1000lbs
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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