Model: M178A

Thermostatic Switch

Properties:

Overall Length
6.250 inches
Overall Height
2.500 inches
Overall Width
2.750 inches
Tempurature Sensing Element Type
Internal coiled tube
Operating Tempurature Rating
Between -50.0 degrees fahrenheit and 120.0 degrees fahrenheit
Mounting Method
Base
Contact Action Stimulus
Increase
Nonpile-up Contact Arrangement
1 pole, single throw, normally closed, momentary action
Terminal Type
Tab w/screw
Contact Load Current Rating
13.0 amperes resistive load first voltage
Contact Load Current Rating
2.3 amperes resistive load fourth voltage
Contact Load Current Rating
4.6 amperes resistive load third voltage
Contact Load Current Rating
6.5 amperes resistive load second voltage
Contact Adjustability
Actuation point adjustable
Contact Adjustment Range
+40.00/+80.00 actuation point degrees fahrenheit
Contact Voltage Rating In Volts
115.0 ac at sea level first 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 second voltage
Contact Voltage Rating In Volts
230.0 dc at sea level fourth voltage
NSN
5930-00-201-4427
Part Number
M178A
Description
Switch,thermostatic
CAGE
79230

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 M178A NSN 5930-00-201-4427

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:
2.0000lbs
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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