Model: C645C

Pressure Switch

Special Features:

Spring loaded diaphragm; for use with air only

Properties:

Thread Direction
Right-hand single threaded hole
Pressure Switch Type
Absolute
Operating Tempurature Rating
Between -20.0 degrees fahrenheit and 125.0 degrees fahrenheit
Mounting Method
Inlet connection
Contact Action Stimulus
Decrease
Thread Size
0.250 inches single threaded hole
Nonpile-up Contact Arrangement
1 pole, double throw, two positions momentary
Terminal Type
Screw
Contact Load Current Rating
5.1 amperes resistive load second voltage
Contact Load Current Rating
8.0 amperes resistive load first voltage
Contact Adjustability
Deactuation point adjustable
Contact Adjustment Type
External deactuation point pointer with scale or external deactuation point screw
Contact Voltage Rating In Volts
120.0 ac at sea level first voltage
Contact Voltage Rating In Volts
240.0 ac at sea level second voltage
Media For Which Designed
Gas
Thread Series Designator
Npt single threaded hole
Specification Data
81345-file no.M+2168, guide no. Mfhx professional/industrial association specification and 35860-file no lr1620-369, guide no. 40-a-2 professional/industrial association standard
NSN
5930-01-261-1932
Part Number
C645C
Description
Switch,pressure
CAGE
91929

A switch which is actuated by changes in pressure of any gas or liquid or by changes in a vacuum acting upon its sensing element. Excludes baroswitch; switch, pressure-thermostatic; and switch, sensitive.

Part C645C NSN 5930-01-261-1932

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00206
FIIG:
A048B0
Concept No.:
1
App. Key:
D
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

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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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