131P NEMA 4X & 13 Pressure Switch/Internal Adjustment

Compact, adjustable pressure switch for pneumatic or low impulse hydraulic process applications. Using our efficient Nega-Rate® Belleville disc spring, we offer superior set point stability and vibration resistance. The 131P series pressure switch also has a selectable deadband feature which can be preset to fit most any application.


  • Electrical Listings: Snap action electrical switch recognized by Underwriters’ Laboratories, Inc. and CSA International
  • Electrical Connection: 1/2 NPT male conduit connection with PVC insulated 18 AWG, 18" long leads
  • Pressure Connection: 1/4 NPT Female and 1/2 NPT Male
  • Temperature Range*:
    • Ambient: -40°F to +180°F (-40°C to +82°C)
    • Media: -40°F to +300°F (-40°C to +149°C)
      * Temperature limits change with O-Ring selection
  • Adjustment: Internal, slotted adjustment wheel
  • Shipping Weight: Approximately 20 ounces