Adjustable NEMA Pressure Switch for Fluid Power

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Versatile Nega-Rate® Belleville disc spring pressure switch for a wide range of applications. Series 100P (diaphragm sensor) for pneumatic and low impulse hydraulics up to 3000 psig system pressure.


  • Electrical: Snap action electrical switch recognized by Underwriters' Laboratories, Inc. and CSA International
  • Electrical Connection: 1/2 NPT female conduit connection with terminal block
  • Pressure Connection:
    • Wetted Material 1 1/4 NPT Female
    • Wetted Material 4, 5, 7 and 9 1/2 NPT Female
  • Temperature Range
    • Ambient: -40°F to +180°F (-40°C to +82°C)
    • Media: -40°F to +300°F (-40°C to +149°C)
  • Media temperature limits change with O-Ring selection
  • Adjustment: Concealed wrench flat adjustment with range scale
  • Shipping Weight: Approximately 3 pounds