Winters Instruments General Purpose Pressure Switch, 2WPS
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2WPS-GH-0090-N4-B

Series: 2WPS General Purpose Pressure Switch Brand: Winters Instruments
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  • Switch - 1 A, 125 Vac, Gold Contact
  • Deadband - Fixed
  • Pressure Range - psi: 3 to 90 (kPa: 20 to 600, bar: 0.2 to 6)
  • Pressure Connection - 1/4" Female NPT
  • Wetted Material - Buna-N
  • Environmental Protection - NEMA 4
  • Adjustment Type - No Manual Reset

Specifications

Brand

Accuracy

  • ± 2% of the Adjustable Range

Adjustment Type

  • Factory Set (Pre-Set)
  • Field Adjustable (Manual)
  • Set Point Adjustment with Self Locking Adjustment Nut

Ambient Temperature Range

  • -29° to 74° C (-20° to 165° F)

Applications

  • General Industrial Applications
  • HVAC Systems
  • Pump & Compressor Monitoring

Approvals & Certifications

  • CE
  • CRN
  • CSA
  • PED 97/23/EC Compliant
  • UL

Deadband, Approximate

  • Fixed Deadband psi: 0.1 to 28 (kPa: 0.7 to 193.1, bar: 0.007 to 1.931)

Diaphragm Material

  • Viton

Electrical Connectors

  • 1/2" NPT Female Conduit Connection with Screw Terminals

Electrical Contacts

  • Gold
  • Normally Closed
  • Normally Open

Electrical Rating

  • 0.03 A at 250 Vdc, Adjustable Deadband
  • 0.05 A at 125 Vdc
  • 0.2 A at 250 Vdc, Manual Reset (Non UL)
  • 0.4 A at 125 Vdc
  • 1 A at 125 Vac
  • 10 A at 125/250 Vac
  • 10 A at 125/250/480 Vac
  • 15 A at 125/250/480 Vac
  • 2 A at 600 Vac
  • 3 A at 480 Vac

Enclosure, Body Material

  • Aluminum

Environmental Protection

  • IP65
  • IP66
  • NEMA 4
  • NEMA 4X

NPT Connection

  • 1/2" NPT Male
  • 1/4" NPT Female
  • 1/8" NPT Female

O-Ring Material

  • Teflon

Process Connection Material

  • Brass
  • Nickel-Plated

Process Temperature

  • -29° to 74° C (-20° to 165° F)

Proof Pressure

  • psi: 1,000 (kPa: 6,900, bar: 69)
  • psi: 30 (kPa: 200, bar: 2)

Set Point - Decreasing

  • bar: 0.034 to 34
  • Inches Hg: 0.5 to 30
  • kPa: 3.4 to 3,400
  • psi: 0.5 to 500

Set Point - Increasing

  • bar: -1 to 34
  • Inches Hg: 0.5 to 30
  • kPa: -100 to 3,400
  • psi: -14.7 to 500

Switch Type

  • SPDT

System Pressure

  • bar: 2.068 to 68.95
  • kPa: 206.8 to 6,895
  • psi: 30 to 1,000

Wetted Materials

  • Aluminum
  • Buna-N

Documentation

Document

Operating Instructions

View Product Series

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