Series 1800 Low Differential Pressure Switch

Brand: Dwyer Instruments, LLC

Essential for industrial environments, the Series 1800 Low Differential Pressure Switch for General Industrial Service combines small size and low price with 2% repeatability for all but the most demanding applications. 

Set point adjustment inside the mounting stud permits mounting the switch on one side of a wall or panel with adjustment easily accessible on the opposite side. UL and CSA listed, and FM approved.

CAUTION: FOR USE ONLY WITH AIR OR COMPATIBLE GASES.
Features
  • Compact size and repeatability provide a high-value switch for many industrial applications
  • Designed for panel and wall mounting to easily meet mounting requirements in most industrial settings
  • Pressure ranges from 0.07 in w.c. to 85 in w.c. make this switch suitable for a wide range of applications

Specifications

Adjustment Type

  • Factory Set (Pre-Set)
  • Field Adjustable

Approvals & Certifications

  • CE
  • CSA
  • FM
  • UL

Deadband, Approximate

  • Inches WC: 0.05 to 3.0

Electrical Connectors

  • 3 Screw Typical

Electrical Contacts

  • Gold
  • Silver

Electrical Rating

  • 15 A at 120-480 Vac, 60 Hz Resistive, 1/8 hp at 125 Vac, 1/4 hp at 250 Vac, 60 Hz

Enclosure, Body Material

  • 16 Ga. Steel Enclosure - Weatherproof
  • Aluminum

Environmental Protection

  • IP66
  • NEMA 4, 7, 9 / IP66
  • NEMA 7
  • NEMA 9

NPT Connection

  • 1/8” NPT Female

O-Ring Material

  • Buna-N
  • Silicone-Free
  • Standard

Process Connection Material

  • Aluminum

Proof Pressure

  • bar: 1.7
  • kPa: 172.37
  • psig: 25

Set Point - Decreasing

  • Inches WC: 0.07 to 85

Set Point - Increasing

  • Inches WC: 0.07 to 85

Standard Features

  • Weatherproof

Switch Type

  • SPDT

System Pressure

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

Temperature Range

  • -34° to 82.2° C (-30° to 180° F). 1823-00: -29° to 82.2° C (-20° to 180° F)

  • Process Applications
  • Mechanical Equipment Control
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