Last Updated: 31/05/2020

Dwyer Series A1PS/A1VS Economical Pressure Switch

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Part Number: Series A1PS/A1VS Categories: ,
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  • Series A1PS/A1VS Economical Pressure Switches are designed with a 15 Amp SPDT switch for direct control of pumps and motors. Available in pressure, vacuum, or compound ranges, the switches offer a field adjustable set point. Easily adjust the switch by aligning the top of the self locking adjusting nut with the desired setting indicated on the adjacent range scale. Connection is 1/4″ male NPT for quick installation and can be mounted in any position.

    Product Applications

    • OEM
    • Compressors
    • Motor control
    • Process equipment
    • Pump control

    Service : Compatible liquids or gases.

    Wetted Materials : Diaphragm: Buna-N; Body with Fitting: Zinc alloy, chromate finish.

    Temperature Limits : -31 to 185°F (-35 to 85°C).

    Pressure Limits : 600 psig.

    Vacuum Limits : 29.9″ Hg (vacuum and compound models only).

    Switch Type : SPDT snap action.

    Electrical Ratings : 15 A (resistive) @ 250 VAC, 1/2 HP @ 250 VAC.

    Electrical Connections : Three screw terminals.

    Process Connection : 1/4″ male NPT.

    Set Point : Field adjustable via knurled screw cap.

    Cycling : Not to exceed 1 Hz.

    Sensor Element : Diaphragm.

    Weight : 7.4 oz (209 g).

    Agency Approvals : UL.

    • 15 A contact allows direct control reducing costs and reliability by having to introduce additional contacts and relays
    • Field adjustable reduces installation time bring application on-line faster

    Product Literature


    Catalog Pages

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    Questions? Call +604-502 1894 Mon-Fri 8:30am to 5:30pm

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    Questions? Call +604-502 1894 Mon-Fri 8:30am to 5:30pm or Email

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    Most orders RM500/USD120 or more ship SEA for FREE!

    • Delivery within the Southeast Asia only.
    • Hazardous items excluded.
    • Extremely heavy or bulky items excluded.
    • Distributors, Resellers and OEMs excluded.
    • Contact us for shipping charge for orders < RM500/USD120

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