Dwyer Subminiature Pressure Switch, Series A2
Images are representations only.

Series A2 Subminiature Pressure Switch

Brand: Dwyer Instruments, LLC
Request Information
Favorite

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 price & availability for United States in CAD Change Location

676 models matching criteria
A2-38032-PRESET 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
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$227.00CAD
Does not ship to United States
A2-48132-PRESET 134 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 - 134 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$554.00CAD
Does not ship to United States
A2-48132-PRESET 81 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 - 81 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,303.00CAD
Does not ship to United States
A2-38032-PRESET 20 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 - 20 Pressure Range - psi: 20 to 60
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,508.00CAD
Does not ship to United States
A2-48132-PRESET 92 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 - 92 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$2,045.00CAD
Does not ship to United States
A2-28132-PRESET 14 PSI I
  • 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
$2,559.00CAD
Does not ship to United States
A2-48132-PRESET 74 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 - 74 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$130.00CAD
Does not ship to United States
A2-48032-PRESET 149 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 - 149 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$241.00CAD
Does not ship to United States
A2-48032-PRESET 72 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 - 72 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$880.00CAD
Does not ship to United States
A2-38032-PRESET 57 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 - 57 Pressure Range - psi: 20 to 60
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$922.00CAD
Does not ship to United States
A2-48032-PRESET 114 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 - 114 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$959.00CAD
Does not ship to United States
A2-48032-PRESET 111 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 - 111 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$2,108.00CAD
Does not ship to United States
A2-48032-PRESET 118 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 - 118 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$170.00CAD
Does not ship to United States
A2-28132-PRESET 22 PSI I
  • 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
$262.00CAD
Does not ship to United States
A2-48032-PRESET 104 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 - 104 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$377.00CAD
Does not ship to United States
A2-48032-PRESET 107 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 - 107 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$391.00CAD
Does not ship to United States
A2-38032-PRESET 25 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 - 25 Pressure Range - psi: 20 to 60
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$1,514.00CAD
Does not ship to United States
A2-48032-PRESET 72 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 - 72 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,665.00CAD
Does not ship to 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
$1,881.00CAD
Does not ship to United States
A2-38032-PRESET 43 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 - 43 Pressure Range - psi: 20 to 60
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$2,119.00CAD
Does not ship to United States
A2-7801
DWYER Subminiature Pressure Switch, Brass, 50-150 psi (3.5-10.3 bar), Spade Terminals, NO
100+ In Stock
$353.00CAD
Does not ship to United States
A2-48032-PRESET 73 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 - 73 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$743.00CAD
Does not ship to United States
A2-48032-PRESET 78 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 - 78 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$2,092.00CAD
Does not ship to United States
A2-48132-PRESET 55 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 - 55 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$2,120.00CAD
Does not ship to United States
A2-38032-PRESET 40 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 - 40 Pressure Range - psi: 20 to 60
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$781.00CAD
Does not ship to United States
A2-48132-PRESET 107 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 - 107 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$975.00CAD
Does not ship to United States
A2-48032-PRESET 145 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 - 145 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$1,640.00CAD
Does not ship to United States
A2-48132-PRESET 72 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 - 72 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,862.00CAD
Does not ship to United States
A2-48032-PRESET 150 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 - 150 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$2,106.00CAD
Does not ship to United States
A2-48032-PRESET 108 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 - 108 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$2,128.00CAD
Does not ship to United States
A2-28132-PRESET 20 PSI I
  • 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
$2,396.00CAD
Does not ship to 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
$225.00CAD
Does not ship to United States
A2-48032-PRESET 103 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 - 103 Pressure Range: psi: 50 to 150
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$443.00CAD
Does not ship to United States
A2-38132-PRESET 33 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 - 33 Pressure Range - psi: 20 to 60
  • Set Point Direction - Decreasing (Falling) Pressure
100+ In Stock
$800.00CAD
Does not ship to United States
A2-48132-PRESET 113 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 - 113 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$854.00CAD
Does not ship to 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
$1,246.00CAD
Does not ship to United States
A2-38032-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 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
$1,390.00CAD
Does not ship to United States
A2-48032-PRESET 115 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 - 115 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,441.00CAD
Does not ship to United States
A2-48032-PRESET 54 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 - 54 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,511.00CAD
Does not ship to United States
A2-48132-PRESET 91 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 - 91 Pressure Range: psi: 50 to 150
  • Set Point Direction - Increasing (Rising) Pressure
100+ In Stock
$1,894.00CAD
Does not ship to United States
Show More Models (636)

View Details

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

show more