157C

Technical Characteristics

• Contact Adjustability

  actuation point not adjustable

• Overall Height

  1.990 inches nominal

• Terminal Type

  connector, receptacle

• Media For Which Designed

  liquid

• Overall Length

  3.880 inches nominal

• Distance Between Mounting Facility Centers

  0.880 inches nominal

• Contact Voltage Rating In Volts

  30.0 dc at sea level single voltage

• Contact Stimulus Rating

  1250.00 actuation point nominal pounds per square inch and 150.00 differential point nominal pound

• Thread Series Designator

  unf all pressure connection

• Operating Temp Rating

  -65.0 deg fahrenheit minimum and 275.0 deg fahrenheit maximum

• Thread Class

  3b all pressure connection

• Thread Quantity Per Inch

  20 all pressure connection

• Overall Width

  1.250 inches nominal

• Sensing Element Burst Pressure

  1500.00 pounds per square inch

• Style Designator

  rectangular

• Contact Load Current Rating

  5.0 amperes resistive load single voltage

• Nonpile-Up Contact Arrangement

  1 two circuit, double break/double make, permanent jumper with no external terminal, both positions maintained

• Proof Pressure

  4500.00 pounds per square inch

• Pressure Connector Type

  plain, threaded internal all connections

• Hazardous Locations/Environmental Protection

  dustproof

• Pressure Switch Type

  differential

• Nominal Thread Size

  0.4375 inches single pressure connection

• Features Provided

  automatic reset

• Mounting Facility Pattern

  two position in-line

• Body Length

  2.720 inches nominal

• Mounting Method

  base

• Contact Action Stimulus

  increase