A2

Dwyer Series A2 Subminiature Pressure Switch

$ 24.75

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Product Description

Field Adjustable, Submersible Models

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.

Product Applications

  • OEM

Models

Model Description
A2-2801 Subminiature pressure switch, range 7-25 psi (.48-1.72 bar), NO.
A2-2811 Subminiature pressure switch, range 7-25 psi (.48-1.72 bar), NC.
A2-3801 Subminiature pressure switch, range 20-60 psi (1.4-4.1 bar), NO.
A2-3811 Subminiature pressure switch, range 20-60 psi (1.4-4.1 bar), NC.
A2-4801 Subminiature pressure switch, range 50-150 psi (3.5-10.3 bar), NO.
A2-4811 Subminiature pressure switch, range 50-150 psi (3.5-10.3 bar), NC.

Specifications

Service:
Compatible liquids and gases.
Wetted Materials:
Polymide film and brass.
Temperature Limits:
-40 to 250°F (-40 to 121°C).
Pressure Limits:
500 psi (34 bar).
Enclosure Rating:
IP68 (Submersible models only).
Repeatability:
±5% of highest set point.
Switch Type:
SPST, 100 VA, 42 V
Electrical Connection:
1/4″ (6.3 mm) spade terminals or flying leads.
Process Connection:
1/8″ male NPT.
Weight:
0.14 lb (0.06 kg).
Deadband:
1-2 psi (0.07-0.14 bar).
Agency Approval:
CE.

Features

  • High-proof pressure means capable to meet application demands
  • Easy to adjust switches means shorter install and service times

Literature

Manuals

A2

Catalog Pages

Series A2 Catalog Page

Approvals

CE Approval

Drawings

Model Chart

EXAMPLE A2 2 4 0 1 2 Series A2-24012 Subminiature Pressure Switch, range 5-25 psi, 1/4″ npt male process connection, SPST normally open circuit, spade terminal, IP68 Submersible option
SERIES A2           Subminiature Pressure Switch
RANGE   2
3
4
        5-25 psi
20-60 psi
50-150 psi
PROCESS
CONNECTION
    4
8
      1/4″ npt male
1/8″ npt male
CIRCUIT    
 
0
1
    SPST normally open
SPST normally closed
ELECTRICAL  TERMINATION         1
3
  spade terminal
flying leads
SUBMERSIBLE OPTION (not required)           2 IP68 submersible (must have range value and activation direction)