644747-3

Technical Characteristics

• Overall Length

  3.400 inches nominal

• Contact Stimulus Rating

  75.00 actuation point nominal inches of mercury and 67.00 deactuation point nominal inches of mercury and 8.00 differential point nominal inches of mercury

• Proof Pressure

  330.00 pounds per square inch gage

• Style Designator

  cylindrical

• Operating Temp Rating

  -60.0 deg fahrenheit minimum and 275.0 deg fahrenheit maximum

• Terminal Type

  connector, receptacle

• Contact Action Stimulus

  increase

• Thread Quantity Per Inch

  20 single pressure connection

• Pressure Connector Type

  plain, threaded internal single connection

• Overall Diameter

  1.870 inches nominal

• Contact Voltage Rating In Volts

  28.0 dc at sea level single voltage

• Contact Adjustability

  deactuation point not adjustable and actuation point not adjustable

• Pressure Switch Type

  gage

• Nominal Thread Size

  0.438 inches single pressure connection

• Nonpile-Up Contact Arrangement

  1 pole, double throw, one position momentary

• Media For Which Designed

  gas or liquid

• Contact Load Current Rating

  5.0 amperes resistive load single voltage

• Thread Series Designator

  unf single pressure connection

• Thread Class

  3b single pressure connection

• Mounting Method

  clamp

• Sensing Element Burst Pressure

  500.00 pounds per square inch gage