Model: 20-ERS-250X4

Thermostatic Switch

Properties:

Overall Length
2.281 inches
Overall Height
2.000 inches
Overall Width
2.312 inches
Capillary Tube Length
96.0 inches
Bulb Length
1.750 inches
Bulb Diameter
0.688 inches
Tempurature Sensing Element Type
Capillary tube-bulb
Operating Tempurature Rating
Between -540.0 degrees fahrenheit and 260.0 degrees fahrenheit
Mounting Method
Bracket and threaded stud
Thready Qty Per Inch (tpi)
24 single threaded hole
Contact Action Stimulus
Increase
Thread Size
0.531 inches single threaded hole
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Terminal Type
Wire lead
Contact Load Current Rating
15.0 amperes resistive load second voltage
Contact Load Current Rating
3.3 amperes resistive load third voltage
Contact Load Current Rating
10.0 amperes resistive load first voltage
Contact Load Current Rating
6.5 amperes resistive load fourth voltage
Contact Adjustability
Deactuation point adjustable and actuation point adjustable
Contact Adjustment Range
+180.00/+220.00 actuation point degrees fahrenheit and +175.00/+215.00 deactuation point degrees fahrenheit
Contact Adjustment Type
External deactuation point knob and external actuation point knob
Contact Voltage Rating In Volts
110.0 ac at sea level second voltage
Contact Voltage Rating In Volts
115.0 dc at sea level fourth voltage
Contact Voltage Rating In Volts
220.0 ac at sea level first voltage
Contact Voltage Rating In Volts
230.0 dc at sea level third voltage
Media For Which Designed
Gas
Style Designator
Rectangular
Thread Series Designator
Uns single threaded hole
NSN
5930-00-364-7569
Part Number
20-ERS-250X4
Description
Switch,thermostatic
CAGE
03479

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 20-ERS-250X4 NSN 5930-00-364-7569

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:
0.8000lbs
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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