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
  • M20 x P1.5

Wetted Parts

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

Set Point Adjustment

  • Field selectable

Contact Rating

  • 15A @ 125/250 Vac
  • 0.4 A @ 125 Vdc
  • 3A @ 30 Vdc
  • Gold Contact Microswitch: 1 A @ 125/250 Vac

Number of Contacts

  • 1 x SPDT
  • 2 x SPDT

Ambient Temperature

  • -30° to 205° C
  • -22° 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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