Model: I542-H8

Pressure-thermostatic Switch

Properties:

Overall Length
8.562 inches
Outside Diameter
0.250 inches single connection
Overall Height
5.250 inches
Overall Width
2.812 inches
Body Length
5.250 inches
End Application
Used on main reduction gear model hsq2724 onboard 210 wmec class b coast guard vessels
Pressure Switch Type
Gage
Tempurature Sensing Element Type
Bulb
Mounting Method
Immersion well
Cubic Measure
432.000 cubic inches
Contact Action Stimulus
Increase
Proof Pressure
80.00 pounds per square inch
Nonpile-up Contact Arrangement
1 pole, double throw, one position momentary
Terminal Type
Screw
Contact Load Current Rating
5.0 amperes resistive load first voltage
Contact Adjustability
Deactuation point adjustable, preset and actuation point adjustable
Contact Adjustment Range
+5.00/+25.00 actuation point pounds per square inch and +1.00/+20.00 deactuation point pounds per square inch
Contact Adjustment Type
Internal actuation point screw and internal deactuation point screw
Contact Stimulus Rating
5.00 actuation point pounds per square inch and 185.00 actuation point degrees fahrenheit
Contact Voltage Rating In Volts
150.0 ac at sea level second voltage
Contact Voltage Rating In Volts
250.0 ac at sea level first voltage
Pressure Connector Type
Flared, threaded external single connection
Frequency In Hertz
60.0 single voltage
Media For Which Designed
Liquid
Style Designator
Rectangular
NSN
5930-01-159-8066
Part Number
I542-H8
Description
Switch,pressure-thermostatic
CAGE
73475

A switch which is actuated by changes of pressure (vacuum) on any gas or liquid and by changes in ambient temperature. The contacts for the temperature and pressure sensitive elements may be common.

Part I542-H8 NSN 5930-01-159-8066

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13383
FIIG:
A048B0
Concept No.:
1
App. Key:
E
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

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Schedule B and Export
  • Schedule B: 8536509065
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, for a voltage not exceeding 1000 volts, nesoi

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