DWYER Series A6 Durable Pressure Switch

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Description

Series A6 Durable Pressure Switch , Designed for Extended Duty, Simple and Reliable

 

DWYER Series A6 Durable Pressure Switch 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 DWYER Series A6 Durable Pressure Switch are compact and have great set-point integrity, and feature simple, easy set-point field adjustment.

 

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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