3WPS Vacuum And Low Pressure Switch

Brand: Winters Instruments

The 3WPS Series is a vacuum and low pressure switch Suitable for pump and compressor monitoring, HVAC systems and general industrial applications.
Features
  • General Purpose, watertight pressure switch
  • Vacuum pressure to 10 psi
  • High current ratings for 1 x SPDT or 2 x SPDT switches
  • Fixed deadband
  • Die cast aluminum construction with welded seal
  • 1% accuracy
  • NEMA 4 & 4X, IP66 rated
  • cRU recognized (switch only), fi le no E12252
  • CRN registration pending
  • 5 year warranty

Specifications

Housing

  • Heavy-duty die-cast aluminum, blue colour

Accuracy

  • +/- 1% of the adjustable set-point range

Pressure Connection

  • Female 1/2” or 3/4” NPT
  • M20xP1.5

Wetted Parts

  • 316 Stainless Steel welded
  • Vacuum range: Viton o-ring

Set Point Adjustment

  • Field selectable

Contact Rating

  • 15A @ 125/250VAC
  • 0.4A @ 125VDC
  • 3A @ 30VDC
  • Gold Contact Microswitch: 1A @ 125/250VAC

Number of Contacts

  • 1 x SPDT
  • 2 x SPDT

Ambient Temperature

  • -30 °C to 205 °C
  • -22 °F to 400 °F

Enclosure Rating

  • NEMA 4 & 4X, IP66
  • Protection against liquid and solid ingress, suitable for indoor or outdoor use and resistant to corrosion

Approvals

  • Switch Only: cRU recognized, fi le #E12252
  • CRN registration pending

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