DWYER – Series A6 Durable Pressure Switch

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Description

Series A6 Durable Pressure Switch

Designed for Extended Duty, Simple and Reliable

Series A6 Durable Pressure Switches have been specifically designed to stand up to extended duty applications. These switches are constructed with a polyimide film diaphragm and are compatible with a variety of fluids. For ease of installation, the switches come with a 1/4″ male NPT process connection and can be mounted in any orientation. The Series A6 pressure switches are compact and have great set-point integrity, and feature simple, easy set-point field adjustment.

Product Applications

  • OEM
  • Process equipment
  • Process applications

 

Features

  • High switch cycle means long life for extended duty applications
  • Mounting in any position and feature simple makes a reliable switching for equipment and OEM applications

 

Specifications

  • Service: Air, motor oils, transmission oils, jet fuels, and similar hydrocarbon media. (Not for water use).
  • Wetted Materials: Base: 304 SS, Diaphragm: polyimide film.
  • Temperature Limits: -40 to 248°F (-40 to 120°C).
  • Pressure Limits: Operating Pressure: 150 psi (10.3 bar) for 0.5-24 psi set point ranges, 250 psi (17.2 bar) for 25-150 psi set-point ranges. Proof Pressure: 500 psi (34.5 bar). Burst Pressure: 750 psi (51.7 bar) for 0.5-24 psi set point ranges, 1250 psi (86.2 bar) for 25-150 psi set point ranges.
  • Enclosure Rating: General purpose or with cover: IP65 – Weatherproof.
  • Repeatability: ±10% of set point.
  • Switch Type: 1 SPST NO, 1 SPST NC. NO and NC switch independent from each other.
  • Electrical Ratings: Resistive: 15 A @ 6 VDC, 8 A @ 12 VDC, 4 A @ 24 VDC; Inductive: 1 A @ 120 VAC, 0.5 A @ 240 VAC.
  • Electrical Connections: #8-32 screw terminals.
  • Process Connection: 1/4″ male NPT.
  • Mounting Orientation: Switch can be installed in any position.
  • Set Point Adjustment: Screw.
  • Weight: 0.13 lb (0.06 kg).
  • Agency Approvals: CE.

 

Models & Ordering

304 SS

Model Description
A6-153221 Pressure switch, set point range 0.5-1 ±0.3 psi (0.03-0.07 ±0.02 bar).
A6-253221 Pressure switch, set point range 1.1-3 ±0.5 psi (0.08-0.21 ±0.03 bar).
A6-353221 Pressure switch, set point range 3.1-7 ±1 psi (0.21-0.48 ±0.07 bar).
A6-453221 Pressure switch, set point range 8-13 ±2 psi (0.55-0.90 ±0.18 bar).
A6-553221 Pressure switch, set point range 14-24 ±3 psi (0.97-1.65 ±0.21 bar).
A6-653221 Pressure switch, set point range 25-50 ±5 psi (1.72-3.45 ±0.34 bar).
A6-753221 Pressure switch, set point range 51-90 ±7 psi (3.52-6.21 ±0.48 bar).
A6-853221 Pressure switch, set point range 91-150 ±10 psi (6.27-10.34 ±0.69 bar).

 

Brass

Model Description
A6-151221 Durable brass pressure switch, adjustable from .5 to 1 psi, SPDT, 1/4″ NPT male connection.
A6-251221 Durable brass pressure switch, adjustable from 1.1 to 3 psi, SPDT, 1/4″ NPT male connection.
A6-451221 Durable brass pressure switch, adjustable from 8 to 13 psi, SPDT, 1/4″ NPT male connection.
A6-551221 Durable brass pressure switch, adjustable from 14 to 24 psi, SPDT, 1/4″ NPT male connection.
A6-651221 Durable brass pressure switch, adjustable from 25 to 50 psi, SPDT, 1/4″ NPT male connection.
A6-751221 Durable brass pressure switch, adjustable from 51 to 90 psi, SPDT, 1/4″ NPT male connection.
A6-851221 Durable brass pressure switch, adjustable from 81 to 150 psi, SPDT, 1/4″ NPT male connection.

 

 

 

Additional information

Model

A6-153221, A6-253221, A6-353221, A6-453221, A6-553221, A6-653221, A6-753221, A6-853221, A6-151221, A6-251221, A6-451221, A6-551221, A6-651221, A6-751221, A6-851221

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