Pressure Switch

Part Number 3978-1

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

We ship worldwide

Features

2b single pressure connection thread class, 3.250 inches nominal overall length, unf single pressure connection thread series designator.

1.250" overall width electrical access port rectangular.

Includes quality control certificate of conformance.

Specifications

  • Hazardous Locations/environmental Protection:
    Explosion proof
  • Overall Height:
    3.000 inches
  • Overall Width:
    1.250 inches
  • Unthreaded Mounting Hole Diameter:
    0.210 inches
  • Distance Between Mounting Facility Centers:
    1.125 inches
  • Pressure Switch Type:
    Gage
  • Operating Tempurature Rating:
    Between -65.0 degrees fahrenheit and 180.0 degrees fahrenheit
  • Mounting Method:
    Base and unthreaded hole
  • Features Provided:
    Electrical access port
  • Contact Action Stimulus:
    Increase
  • Proof Pressure:
    7500.00 pounds per square inch
  • Thread Size:
    0.4375 inches single pressure connection
  • Mounting Facility Pattern:
    Two position in-line
  • Nonpile-up Contact Arrangement:
    4 pole, double throw, double break/double make, permanent jumper, one position momentary
  • Terminal Type:
    Connector, receptacle
  • Contact Load Current Rating:
    3.0 amperes resistive load first voltage and 3.0 amperes inductive load first voltage and 3.0 amperes motor load first voltage
  • Contact Load Current Rating:
    3.0 amperes resistive load second voltage and 3.0 amperes inductive load second voltage and 3.0 amperes motor load second voltage
  • Contact Load Current Rating:
    3.0 amperes resistive load third voltage and 3.0 amperes inductive load third voltage and 3.0 amperes motor load third voltage
  • Contact Adjustability:
    Deactuation point not adjustable and actuation point not adjustable
  • Contact Stimulus Rating:
    1800.00 actuation point pounds per square inch and 1500.00 deactuation point pounds per square inch and 300.00 differential point pounds per square inch
  • Contact Voltage Rating In Volts:
    115.0 ac at sea level second voltage
  • Contact Voltage Rating In Volts:
    200.0 ac at sea level first voltage
  • Contact Voltage Rating In Volts:
    28.0 dc at sea level third voltage
  • Pressure Connector Type:
    Plain, threaded internal single connection
  • Frequency In Hertz:
    400.0 first voltage
  • Frequency In Hertz:
    400.0 second voltage
  • Media For Which Designed:
    Liquid
  • Style Designator:
    Rectangular
  • Federal Supply Class (fsc):
    Switches
  • National Stock Number (nsn):
    5930-00-800-8492

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