Model: T1HM251SA

Thermostatic Switch

Properties:

Thread Class
2b all threaded hole
Overall Length
2.750 inches
Overall Height
7.312 inches
Overall Width
2.875 inches
Body Height
3.812 inches
Capillary Tube Length
72.0 inches
Bulb Length
4.125 inches
Bulb Diameter
0.375 inches
Longest Horizontal Distance Between Mounting Centers
1.906 inches
Longest Vertical Distance Between Mounting Centers
2.438 inches
Tempurature Sensing Element Type
Capillary tube-bulb
Mounting Method
Threaded hole
Features Provided
Tamper proof cap
Thready Qty Per Inch (tpi)
32 all threaded hole
Contact Action Stimulus
Increase
Thread Size
0.164 inches all threaded hole
Mounting Facility Pattern
Two position diagonal
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Terminal Type
Screw
Contact Load Current Rating
3.0 amperes resistive load first voltage
Contact Load Current Rating
10.0 amperes resistive load second voltage
Contact Load Current Rating
500.0 milliamperes resistive load third voltage
Contact Adjustability
Deactuation point adjustable and actuation point adjustable
Contact Adjustment Range
+50.00/+250.00 actuation point degrees fahrenheit and +48.00/+248.00 deactuation point degrees fahrenheit
Contact Adjustment Type
External deactuation point screw and external actuation point screw
Contact Voltage Rating In Volts
24.0 dc at sea level third voltage
Contact Voltage Rating In Volts
250.0 ac 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
Thread Series Designator
Unc all threaded hole
NSN
5930-01-025-9647
Part Number
T1HM251SA
Description
Switch,thermostatic
CAGE
89326

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 T1HM251SA NSN 5930-01-025-9647

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:
2.1000lbs
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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