Pressure Switch

Part Number 642DHB1-4-8PSIDECR

Quality inspected with certificate of conformity. For questions and pricing call us at +1 210-468-8090

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Features

Npt all pressure connection thread series designator.

18 all pressure connection thread quantity per inch.

Includes quality control certificate of conformance.

Specifications

  • Unthreaded Mounting Hole Diameter:
    Between 0.219 inches and 0.233 inches
  • Longest Horizontal Distance Between Mounting Centers:
    2.120 inches
  • Longest Vertical Distance Between Mounting Centers:
    2.120 inches
  • Pressure Switch Type:
    Differential
  • Operating Tempurature Rating:
    Between -34.0 degrees celsius and 71.0 degrees celsius
  • Mounting Method:
    Unthreaded hole
  • Thready Qty Per Inch (tpi):
    18 all pressure connection
  • Contact Action Stimulus:
    Decrease
  • Thread Size:
    0.250 inches single pressure connection
  • Mounting Facility Pattern:
    Four position rectangular
  • Nonpile-up Contact Arrangement:
    1 pole, double throw, one position momentary
  • Terminal Type:
    Wire lead
  • Contact Load Current Rating:
    15.0 amperes resistive load first voltage and 15.0 amperes inductive load first voltage
  • Contact Load Current Rating:
    400.0 milliamperes resistive load second voltage and 200.0 milliamperes inductive load second voltage
  • Contact Adjustability:
    Deactuation point not adjustable and actuation point not adjustable
  • Contact Stimulus Rating:
    4.80 actuation point pounds per square inch
  • Contact Voltage Rating In Volts:
    125.0 dc at sea level second voltage
  • Contact Voltage Rating In Volts:
    480.0 ac at sea level first voltage
  • Pressure Connector Type:
    Plain, threaded internal all connections
  • Frequency In Hertz:
    50.0 first voltage and 60.0 first voltage
  • Federal Supply Class (fsc):
    Switches
  • National Stock Number (nsn):
    5930-01-049-1335

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