Dwyer Low Cost OEM Pressure Switch, Series A1F
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Series A1F OEM Pressure Switch

Brand: Dwyer Instruments, LLC
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Low cost and precision made, the Series A1F Pressure Switch is ideal for OEM industrial applications.

Wetted materials of 316 Stainless Steel and fluorocarbon ensure great chemical compatibility with a wide range of process media. 

The open case style is perfect for panel mounting applications like pump skids. Weatherproof enclosure is available in polycarbonate offering a low cost weatherproof switch.

Superior 15 A contact allows direct control of motors or pumps without the use of external relays, a true cost saver. Features include a convenient indicating scale for quick and easy field adjustment.
Features
  • 15 A contact allows direct control reducing costs and reliability by having to introduce additional contacts and relays
  • Case style allows use for panel mounting application with optional weather-proof enclosure for use in outdoor environments
  • Field adjustable reduces installation time bring application on-line faster
  • Wetted material provides support for wider range of process media

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Specifications

Brand

Adjustment Type

  • Knurled Screw Cap with Indicating Scale

Approvals & Certifications

  • cUL
  • UL

Deadband

  • psig: 2 to 50 (kPa: 14 to 340, bar: 0.14 to 3.4)

Diaphragm Material

  • Fluorocarbon

Electrical Connectors

  • Screw Terminal

Electrical Rating

  • 1/4 hp at 250 Vac
  • 1/8 hp at 125 Vac
  • 15 A at 120/240/480 Vac

Enclosure, Body Material

  • 316 Stainless Steel

Environmental Protection

  • IP66
  • NEMA 4X

Media

  • Gas
  • Liquids & Gases

NPT Connection

  • 1/2” NPT Male
  • 1/4” NPT Female

Sensor Orientation

  • Within 20° of Vertical

Set Point - Decreasing

  • bar: 0.14 to 31
  • kPa: 14 to 3,100
  • psig: 2 to 450

Set Point - Increasing

  • bar: 0.14 to 31
  • kPa: 14 to 3,100
  • psig: 2 to 450

Switch Type

  • SPDT Snap Switch

System Pressure

  • bar: 51.71
  • kPa: 5,171
  • psig: 750

Temperature Range

  • -40° to 80° C (-40° to 176° F)

Wetted Materials

  • Pressure Chamber: 316 Stainless Steel

  • OEM
  • Compressors
  • Motor Control
  • Process Equipment
  • Pump Control

Documentation

Data Sheets

Approvals

Manuals

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