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Series A1PS/A1VS Economical Pressure Switch

Brand: Dwyer Instruments, LLC
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SERIES A1PS/A1VS Economical Pressure Switches are designed with a 15 Amp SPDT switch for direct control of pumps and motors. Available in pressure, vacuum, or compound ranges, the switches offer a field adjustable set point.

Easily adjust the switch by aligning the top of the self locking adjusting nut with the desired setting indicated on the adjacent range scale.

Connection is 1/4" male NPT for quick installation and can be mounted in any position.
Features
  • 15 A contact allows direct control reducing costs and reliability by having to introduce additional contacts and relays
  • Field adjustable reduces installation time bring application on-line faster
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SERIES A1PS/A1VS Economical Pressure Switches are designed with a 15 Amp SPDT switch for direct control of pumps and motors. Available in pressure, vacuum, or compound ranges, the switches offer a field adjustable set point.

Easily adjust the switch by aligning the top of the self locking adjusting nut with the desired setting indicated on the adjacent range scale.

Connection is 1/4" male NPT for quick installation and can be mounted in any position.
Features
  • 15 A contact allows direct control reducing costs and reliability by having to introduce additional contacts and relays
  • Field adjustable reduces installation time bring application on-line faster
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Specifications

Brand

Adjustment Type

  • Field Adjustable Via Knurled Screw Cap

Approvals & Certifications

  • UL

Deadband, Approximate

  • Inches Hg: 3 to 14
  • psi: 0.5 to 120 (kPa: 3.4 to 8.3, bar: 0.034 to 830)

Diaphragm Material

  • Buna-N

Electrical Connectors

  • Three Screw Terminals

Electrical Rating

  • 1/2 hp at 250 Vac
  • 15 A at 250 Vac Resistive

Enclosure, Body Material

  • Zinc Alloy

Media

  • Gas
  • Liquids & Gases

NPT Connection

  • 1/4” NPT Male

Operating Voltages

  • Not to Exceed 1 Hz

Set Point - Decreasing

  • bar: 1 to 34
  • Inches Hg: 0 to 28
  • kPa: 10 to 3,445
  • psig: 1.5 to 500

Set Point - Increasing

  • bar: 1 to 34
  • Inches Hg: 0 to 28
  • kPa: 10 to 3,445
  • psig: 1.5 to 500

Switch Type

  • SPDT Snap-Action

System Pressure

  • bar: 41.36
  • kPa: 4,137
  • psi: 600

Temperature Range

  • -35° to 85° C (-31° to 185° F)
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Typical Applications

  • OEM
  • Compressors
  • Motor control
  • Process equipment
  • Pump control
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