Series A2 Subminiature Pressure Switch

Brand: Dwyer Instruments, LLC

Designed for OEM applications, the Series A2 is economical and is equipped with high proof pressure capabilities for demanding applications.

The A2 is available with either spade terminals or flying leads (submersible). Switches with spade terminals can be easily adjusted in the field.
Features
  • High-proof pressure means capable to meet application demands
  • Easy to adjust switches means shorter install and service times

Models matching criteria: 676
  • Pressure Range - psi: 20 to 60 (bar: 1.379 to 4.137, kPa: 137.9 to 413.7)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$227.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Closed SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 134 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$554.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Closed SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 81 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,303.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 20 to 60 (bar: 1.379 to 4.137, kPa: 137.9 to 413.7)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 20 Pressure Range - psi: 20 to 60
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,508.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Closed SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 92 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$2,045.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 5 to 25 (bar: 0.345 to 1.724, kPa: 34.47 to 172.4)
  • Switch - 1 Normally Closed SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 14 Pressure Range - psi: 5 to 25
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$2,559.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Closed SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 74 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$130.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 149 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$241.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 72 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$880.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 20 to 60 (bar: 1.379 to 4.137, kPa: 137.9 to 413.7)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 57 Pressure Range - psi: 20 to 60
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$922.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 114 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$959.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 111 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$2,108.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 118 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$170.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 5 to 25 (bar: 0.345 to 1.724, kPa: 34.47 to 172.4)
  • Switch - 1 Normally Closed SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 22 Pressure Range - psi: 5 to 25
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$262.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 104 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$377.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 107 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$391.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 20 to 60 (bar: 1.379 to 4.137, kPa: 137.9 to 413.7)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 25 Pressure Range - psi: 20 to 60
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$1,514.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 72 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,665.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 53 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,881.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 20 to 60 (bar: 1.379 to 4.137, kPa: 137.9 to 413.7)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 43 Pressure Range - psi: 20 to 60
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$2,119.00 CAD
$10.00 Shipping
DWYER Subminiature Pressure Switch, Brass, 50-150 psi (3.5-10.3 bar), Spade Terminals, NO
100+ In Stock
$353.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 73 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$743.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 78 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$2,092.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Closed SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 55 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$2,120.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 20 to 60 (bar: 1.379 to 4.137, kPa: 137.9 to 413.7)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 40 Pressure Range - psi: 20 to 60
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$781.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Closed SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 107 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$975.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 145 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$1,640.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Closed SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 72 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,862.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 150 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$2,106.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 108 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$2,128.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 5 to 25 (bar: 0.345 to 1.724, kPa: 34.47 to 172.4)
  • Switch - 1 Normally Closed SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 20 Pressure Range - psi: 5 to 25
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$2,396.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 106 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$225.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 103 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$443.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 20 to 60 (bar: 1.379 to 4.137, kPa: 137.9 to 413.7)
  • Switch - 1 Normally Closed SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 33 Pressure Range - psi: 20 to 60
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$800.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Closed SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 113 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$854.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 5 to 25 (bar: 0.345 to 1.724, kPa: 34.47 to 172.4)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 10 Pressure Range - psi: 5 to 25
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$1,246.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 20 to 60 (bar: 1.379 to 4.137, kPa: 137.9 to 413.7)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 52 Pressure Range - psi: 20 to 60
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,390.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 115 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,441.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Open SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 54 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,511.00 CAD
$10.00 Shipping
  • Pressure Range - psi: 50 to 150 (bar: 3.447 to 10.34, kPa: 344.7 to 1,034)
  • Switch - 1 Normally Closed SPST Switch
  • Electrical Connection - Flying Lead
  • PSI Set Point - 91 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,894.00 CAD
$10.00 Shipping

Specifications

Adjustment Type

  • Field Adjustable

Approvals & Certifications

  • CE

Deadband

  • psi: 1 to 2 (kPa: 7 to 14, bar: 0.07 to 0.14)

Diaphragm Material

  • Polyimide

Electrical Connectors

  • 1/4” Flying Leads (Normally Open or Normally Closed)
  • 1/4” Spade Terminals (Normally Open or Normally Closed)

Enclosure, Body Material

  • Brass

Environmental Protection

  • IP66 (Flying Leads Model Only)

Media

  • Gas
  • Liquids & Gases

NPT Connection

  • 1/8” NPT Female

Repeatability

  • ± 5 % of Highest Set Point

Set Point - Decreasing

  • bar: 0.48 to 10.3
  • kPa: 48 to 1,030
  • psig: 5 to 150

Set Point - Increasing

  • bar: 0.48 to 10.3
  • kPa: 48 to 1,030
  • psig: 5 to 150

Switch Type

  • SPST (100 VA & 42 V)

System Pressure

  • bar: 34.5
  • kPa: 3,500
  • psig: 500

Temperature Range

  • -40° to 121° C (-40° to 250° F)

  • OEM

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