Series A1PS/A1VS Economical Pressure Switch

Brand: Dwyer Instruments, LLC

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

Models matching criteria: 6
  • Pressure Range - Inches Hg: 6 to 28
50+ In Stock
$675.00 CAD
Does not ship to OH, United States
  • Pressure Range - -28 Inches Hg to 3.5 psi
50+ In Stock
$2,087.00 CAD
Does not ship to OH, United States
DWYER Economical Pressure Switch, Set Point Range 1.5-3.5 psi (10-24 kPa), ± 0.15 psi (1 kPa) Repeatability, 0.5-1.7 psi (3-11 kPa) Deadband. view more
  • Pressure Range - psi: 1.5 to 3.5 (bar: 0.103 to 0.241, kPa: 10.34 to 24.13)
50+ In Stock
$304.00 CAD
Does not ship to OH, United States
DWYER Economical Pressure Switch, Set Point Range 100-500 psi (689-3445 kPa), ± 20.0 psi (138 kPa) Repeatability, 30-120 psi (207-827 kPa) Deadband. view more
  • Pressure Range - psi: 100 to 500 (bar: 6.89 to 34.45, kPa: 689 to 3,445)
25+ In Stock
$2,396.00 CAD
Does not ship to OH, United States
DWYER Economical Pressure Switch, Set Point Range 30-150 psi (207-1034 kPa), ± 5.0 psi (34 kPa) Repeatability, 5-30 psi (34-207 kPa) Deadband. view more
  • Pressure Range - psi: 30 to 150 (bar: 2.07 to 10.34, kPa: 207 to 1,034)
25+ In Stock
$268.00 CAD
Does not ship to OH, United States
DWYER Economical Pressure Switch, Set Point Range 3-40 psi (21-276 kPa), ± 1.0 psi (7 kPa) Repeatability, 2-5 psi (14-34 kPa) Deadband. view more
  • Pressure Range - psi: 3 to 40 (bar: 0.207 to 2.758, kPa: 0.276 to 275.8)
21 In Stock
$703.00 CAD
Does not ship to OH, United States

Specifications

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)

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