FES191B

Technical Characteristics

• Contact Load Current Rating

  500.0 milliamperes resistive load single voltage

• Nominal Thread Size

  0.438 inches single pressure connection

• Body Diameter

  3.000 inches nominal

• Pressure Switch Type

  gage

• Contact Action Stimulus

  decrease

• Contact Adjustability

  deactuation point not adjustable and actuation point not adjustable

• Mounting Facility Pattern

  two position in-line

• Pressure Connector Type

  plain, threaded internal single connection

• Thread Quantity Per Inch

  20 single pressure connection

• Nonpile-Up Contact Arrangement

  1 pole, double throw, one position momentary

• Proof Pressure

  50.00 pounds per square inch

• Unthreaded Mounting Hole Diameter

  0.203 inches nominal

• Thread Series Designator

  unf single pressure connection

• Thread Class

  3b single pressure connection

• Overall Length

  3.750 inches maximum

• Overall Width

  3.625 inches nominal

• Distance Between Mounting Facility Centers

  3.000 inches nominal

• Contact Voltage Rating In Volts

  30.0 dc at sea level single voltage

• Operating Temp Rating

  -65.0 deg fahrenheit minimum and 160.0 deg fahrenheit maximum

• Media For Which Designed

  liquid

• Terminal Type

  connector, receptacle

• Mounting Method

  bracket and unthreaded hole

• Contact Stimulus Rating

  17.50 deactuation point nominal pounds per square inch and 18.50 actuation point nominal pounds per square inch and 1.00 differential point nominal pounds per square inch

• Style Designator

  cylindrical w/mounting lugs