Pressure Switch

Part Number HED20A20/400

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

We ship worldwide

Features

4.170 inches nominal overall length, npt single pressure connection thread series designator.

0.250" single connection inside diameter 18 single pressure connection thread quantity per inch rectangular.

Includes quality control certificate of conformance.

Specifications

  • Inside Diameter:
    0.250 inches single connection
  • Overall Height:
    5.630 inches
  • Body Height:
    4.920 inches
  • Unthreaded Mounting Hole Diameter:
    Between 0.280 inches and 0.430 inches
  • Longest Horizontal Distance Between Mounting Centers:
    3.540 inches
  • Longest Vertical Distance Between Mounting Centers:
    2.910 inches
  • Pressure Switch Type:
    Differential
  • Mounting Method:
    Unthreaded hole
  • Thready Qty Per Inch (tpi):
    18 single pressure connection
  • Contact Action Stimulus:
    Increase
  • Proof Pressure:
    5600.00 pounds per square inch
  • Thread Size:
    0.250 inches single pressure connection
  • Mounting Facility Pattern:
    Two position diagonal
  • Terminal Type:
    Screw
  • Contact Load Current Rating:
    0.1 amperes resistive load fourth voltage
  • Contact Load Current Rating:
    0.2 amperes resistive load third voltage
  • Contact Load Current Rating:
    1.0 amperes resistive load second voltage
  • Contact Load Current Rating:
    10.0 amperes resistive load first voltage
  • Contact Adjustability:
    Actuation point adjustable, preset and deactuation point adjustable, preset
  • Contact Adjustment Range:
    +280.00/+5600.00 actuation point pounds per square inch and +370.00/+5600.00 deactuation point pounds per square inch
  • Contact Adjustment Type:
    External actuation point knob
  • Contact Stimulus Rating:
    280.00 actuation point pounds per square inch and 5600.00 actuation point pounds per square inch and 370.00 deactuation point pounds per square inch and 5600.00 deactuation point pounds per square inch
  • Contact Voltage Rating In Volts:
    125.0 dc at sea level third voltage
  • Contact Voltage Rating In Volts:
    25.0 dc at sea level second voltage
  • Contact Voltage Rating In Volts:
    250.0 dc at sea level fourth voltage
  • Contact Voltage Rating In Volts:
    460.0 ac at sea level first voltage
  • Pressure Connector Type:
    Gasket seal, threaded internal single connection
  • Media For Which Designed:
    Liquid
  • Style Designator:
    Rectangular
  • Federal Supply Class (fsc):
    Switches
  • National Stock Number (nsn):
    5930-01-198-1552

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