3WPS Industrial Pressure Switch



  • Suitable for pump and compressor monitoring, HVAC systems and general industrial applications


  • Piston-type pressure switch
  • 30 to 1,600 psi pressure range
  • SPDT switch
  • Simple set point adjustment, SPDT, snap action
  • Anodized aluminum construction with Buna N wetted parts
  • ±2% of the adjustable range accuracy
  • NEMA 4, IP65 enclosure rating
  • CSA approved
  • 5 year warranty


Housing Material Anodized aluminum
Accuracy ±2% of the adjustable range
Pressure Connection 1/4” NPTF
Electrical Connection 1/2″ NPTF conduit connection with screw terminals
Wetted Parts Aluminum and Buna N (PTFE or FKM diaphragm optional)
Set Point Adjustment Self locking adjustment nut
Deadband Fixed
Contact Rating

10 amps @ 125/250/480 Vac

0.05 amps @ 125 Vdc

0.03 amps @ 250 Vdc (standard for 30, 85 and 340 ranges)

5 amps @ 125/250 Vac (hermetically sealed)

No. of Contacts 1 x SPDT (hermetically sealed option available)
Ambient Temperature -20°F to 165°F (-29°C to 74°C)
Storage Temperature -40°F to 200°F (-40°C to 93°C)
Enclosure Rating NEMA 4, IP65
Approvals CSA approved
Weight 3.75 lbs (1.7 kg)

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