Dwyer Subminiature Pressure Switch, Series A2
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Series A2 Subminiature Pressure Switch

Brand: Dwyer Instruments, LLC
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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

Displaying prices & availability for Ohio, United States in CAD. Change location.

Models matching criteria: 676
A2-28032-PRESET 12 PSI I
  • 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 - 12 Pressure Range - psi: 5 to 25
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$83.00 CAD
Does not ship to OH, United States
A2-2801
  • 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 - Spade Terminal
100+ In Stock
$440.00 CAD
Does not ship to OH, United States
A2-48032-PRESET 123 PSI D
  • 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 - 123 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$1,603.00 CAD
Does not ship to OH, United States
A2-48132-PRESET 139 PSI I
  • 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 - 139 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,698.00 CAD
Does not ship to OH, United States
A2-38132-PRESET 53 PSI D
  • 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 - 53 Pressure Range - psi: 20 to 60
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$2,355.00 CAD
Does not ship to OH, United States
A2-48032-PRESET 76 PSI I
  • 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 - 76 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$228.00 CAD
Does not ship to OH, United States
A2-28132-PRESET 24 PSI D
  • 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 - 24 Pressure Range - psi: 5 to 25
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$1,038.00 CAD
Does not ship to OH, United States
A2-48132-PRESET 59 PSI D
  • 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 - 59 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$1,269.00 CAD
Does not ship to OH, United States
A2-38032-PRESET 30 PSI D
  • 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 - 30 Pressure Range - psi: 20 to 60
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$1,370.00 CAD
Does not ship to OH, United States
A2-48032-PRESET 53 PSI I
  • 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
$1,407.00 CAD
Does not ship to OH, United States
A2-38032-PRESET 33 PSI I
  • 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 - 33 Pressure Range - psi: 20 to 60
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,434.00 CAD
Does not ship to OH, United States
A2-48032-PRESET 67 PSI D
  • 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 - 67 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$1,801.00 CAD
Does not ship to OH, United States
A2-38032-PRESET I
  • 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 - Increasing (Rising) Pressure
100+ In Stock
$2,286.00 CAD
Does not ship to OH, United States
A2-48132-PRESET 105 PSI I
  • 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 - 105 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$2,483.00 CAD
Does not ship to OH, United States
A2-48132-PRESET 144 PSI I
  • 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 - 144 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$296.00 CAD
Does not ship to OH, United States
A2-48132-PRESET 51 PSI D
  • 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 - 51 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$565.00 CAD
Does not ship to OH, United States
A2-48132-PRESET 102 PSI D
  • 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 - 102 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$490.00 CAD
Does not ship to OH, United States
A2-38132-PRESET 52 PSI I
  • 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 - 52 Pressure Range - psi: 20 to 60
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$864.00 CAD
Does not ship to OH, United States
A2-48032-PRESET 120 PSI I
  • 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 - 120 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$954.00 CAD
Does not ship to OH, United States
A2-48132-PRESET 80 PSI I
  • 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 - 80 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,263.00 CAD
Does not ship to OH, United States
A2-48032-PRESET 96 PSI I
  • 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 - 96 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,302.00 CAD
Does not ship to OH, United States
A2-48032-PRESET 112 PSI D
  • 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 - 112 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$1,441.00 CAD
Does not ship to OH, United States
A2-48132-PRESET 98 PSI I
  • 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 - 98 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$2,007.00 CAD
Does not ship to OH, United States
A2-38032-PRESET 24 PSI D
  • 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 - 24 Pressure Range - psi: 20 to 60
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$2,400.00 CAD
Does not ship to OH, United States
A2-48132-PRESET 121 PSI D
  • 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 - 121 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$61.00 CAD
Does not ship to OH, United States
A2-48032-PRESET 83 PSI I
  • 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 - 83 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$606.00 CAD
Does not ship to OH, United States
A2-48132-PRESET 86 PSI D
  • 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 - 86 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$805.00 CAD
Does not ship to OH, United States
A2-48132-PRESET 70 PSI I
  • 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 - 70 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$869.00 CAD
Does not ship to OH, United States
A2-38132-PRESET 50 PSI D
  • 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 - 50 Pressure Range - psi: 20 to 60
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$1,449.00 CAD
Does not ship to OH, United States
A2-48132-PRESET 144 PSI D
  • 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 - 144 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$2,099.00 CAD
Does not ship to OH, United States
A2-38032-PRESET 47 PSI D
  • 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 - 47 Pressure Range - psi: 20 to 60
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$184.00 CAD
Does not ship to OH, United States
A2-4811
  • 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 - Spade Terminal
100+ In Stock
$547.00 CAD
Does not ship to OH, United States
A2-48132-PRESET 113 PSI D
  • 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 - Decreasing (Falling) Pressure
100+ In Stock
$599.00 CAD
Does not ship to OH, United States
A2-48032-PRESET 122 PSI D
  • 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 - 122 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$1,880.00 CAD
Does not ship to OH, United States
A2-48032-PRESET 56 PSI I
  • 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 - 56 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,098.00 CAD
Does not ship to OH, United States
A2-28032-PRESET 10 PSI D
  • 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
$1,335.00 CAD
Does not ship to OH, United States
A2-48032-PRESET 106 PSI I
  • 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
$1,747.00 CAD
Does not ship to OH, United States
A2-48132-PRESET 71 PSI I
  • 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 - 71 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,986.00 CAD
Does not ship to OH, United States
A2-48032-PRESET 99 PSI I
  • 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 - 99 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$2,226.00 CAD
Does not ship to OH, United States
A2-48032-PRESET 83 PSI D
  • 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 - 83 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$2,443.00 CAD
Does not ship to OH, United States
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Specifications

Brand

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

Documentation

Approvals

Catalogs

Manuals

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