684-577

Technical Characteristics

• Mounting Method

  input port

• Nominal Thread Size

  0.438 inches single pressure connection

• Contact Stimulus Rating

  51.00 deactuation point nominal pounds per square inch gage and 55.00 actuation point nominal pounds per square inch gage and 4.00 differential point nominal pounds per square inch gage

• Pressure Switch Type

  gage

• Contact Action Stimulus

  decrease

• Contact Load Current Rating

  5.0 amperes resistive load first voltage

• Thread Quantity Per Inch

  20 single pressure connection

• Contact Adjustability

  deactuation point adjustable, preset and actuation point adjustable, preset

• Features Provided

  electrical box connector

• Overall Width

  1.925 inches nominal

• Media For Which Designed

  gas or liquid

• Body Diameter

  1.380 inches nominal

• Inside Diameter

  0.438 inches nominal single connection

• Nonpile-Up Contact Arrangement

  1 pole, double throw, one position momentary

• Proof Pressure

  1000.00 pounds per square inch gage

• Style Designator

  cylindrical w/mounting lugs

• Err Default

  err default

• Contact Load Current Rating

  5.0 amperes resistive load second voltage and 2.5 amperes inductive load second voltage

• Terminal Type

  connector, receptacle

• Body Length

  2.170 inches maximum

• Contact Adjustment Range

  +20.00/+75.00 actuation point pounds per square inch and +20.00/+75.00 deactuation point pounds per square inch

• Pressure Connector Type

  double compression, threaded internal single connection

• Sensing Element Burst Pressure

  2500.00 pounds per square inch gage

• Contact Voltage Rating In Volts

  30.0 dc at sea level second voltage

• Contact Adjustment Type

  external deactuation point screw and external actuation point screw

• Contact Voltage Rating In Volts

  250.0 ac at sea level first voltage

• Overall Length

  3.250 inches maximum

• Operating Temp Rating

  -65.0 deg fahrenheit minimum and 275.0 deg fahrenheit maximum

• Thread Class

  3b single pressure connection

• Thread Series Designator

  unf single pressure connection