Dwyer Explosion Proof Pressure Switch, Series 1950
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1950-1-2F

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

Brand

Adjustment Type

  • Factory Set (Pre-Set)
  • Field Adjustable

Approvals & Certifications

  • CE
  • CSA
  • FM
  • UL

Diaphragm Material

  • Buna-N
  • Fluoroelastomer
  • Fluorosilicone
  • Neoprene
  • Silicone

Electrical Connectors

  • 3 Screw Typical
  • Common

Electrical Contacts

  • 10 G Mica Silver Contact
  • 10 G Phenolic Gold Contacts
  • 10 G Phenolic Silver Contact
  • Normally Closed
  • Normally Open

Electrical Rating

  • 15 A At, 125, 250, 480 Vac, 60 Hz Resistive 1/8 hp at 125 Vac, 1/4 hp at 250 Vac, 60 Hz

Enclosure, Body Material

  • Aluminum

Environmental Protection

  • IP54
  • NEMA 3
  • NEMA 7
  • NEMA 9

NPT Connection

  • 1/8” NPT Female

O-Ring Material

  • Buna-N
  • Fluor Elastomer
  • Fluorosilicone
  • Neoprene
  • Silicone Rubber
  • Viton

Proof Pressure

  • bar: 0.690
  • kPa: 68.95
  • psid: 10

Set Point - Decreasing

  • bar: 0.034 to 3.447
  • Inches WC: 0.03 to 20
  • kPa: 3.447 to 344.7
  • psid: 0.5 to 50

Set Point - Increasing

  • bar: 0.034 to 3.447
  • Inches WC: 0.03 to 20
  • kPa: 3.447 to 344.7
  • psid: 0.5 to 50

Switch Type

  • SPDT

System Pressure

  • bar: 2.413
  • Inches WC: 45
  • kPa: 241.3
  • psid: 35

Temperature Range

  • -40° to 60° C (-40° to 140° F), -17.8° to 60° C (0° to 140° F) for 1950P-8, 15, 25 & 50. -34.4° to 54.4° C (-30° to 130° F) for 1950-02

Documentation

Data Sheets

Approvals

Catalogs

Manuals

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