Dwyer Explosion Proof Pressure Switch, Series 1950G
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1950G-20-B-120-NA

Series: Series 1950G Explosion-Proof Differential Pressure Switch Brand: Dwyer Instruments, LLC
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Specifications

Brand

Adjustment Type

  • Factory Set (Pre-Set)
  • Field Adjustable

Applications

  • All-Weather Applications
  • Natural Gas
  • Process Applications

Approvals & Certifications

  • ATEX
  • CE
  • CSA
  • FM
  • IEC Ex
  • UL

Deadband, Approximate

  • bar: 0 to 0.21
  • kPa: 0.28 to 20.7
  • psi: 0.04 to 3.0

Diaphragm Material

  • Buna-N

Electrical Connectors

  • Terminal Strip - Internal

Electrical Contacts

  • Silver

Electrical Rating

  • 10 A, 120/240 Vac, 28 Vdc Resistive 50 mA, 125 Vdc

Enclosure, Body Material

  • Aluminum

Environmental Protection

  • IP54
  • NEMA 3
  • NEMA 7
  • NEMA 9

NPT Connection

  • 1/8” NPT Female

O-Ring Material

  • Buna-N

Process Connection Material

  • Aluminum

Set Point - Decreasing

  • Inches WC: 0.07 to 20

Set Point - Increasing

  • Inches WC: 0.07 to 20

Switch Type

  • SPDT

System Pressure

  • bar: 0.68
  • kPa: 68.95
  • psig: 10

Temperature Range

  • -17° to 60° C (-170° to 140° F) Note: Set Point Drift May Occur with Ambient Temperature Changes.

Documentation

Data Sheets

Approvals

Catalogs

Manuals

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