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Pressure Switches

Choose from our selection of Process Control Pressure Switches. Pressure switches can be used in a variety of applications that require presurized fluids to be controlled or supervised. We offer a range of pressure switches containing capsules, bellows, Bourdon tubes, diaphragms or piston elements for sensing fluid pressure in your applications.

Pressure Switches

1769 items

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  • United Electric 120 Switches H122-S156B-95257
    H122-S156B

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H122 Pressure Switch, 0-100 psi setpoint range, two SPDT, 15A@125/250/480 VAC, 3/4" FNPT electrical connector, NEMA 4X, 7 & 9 enclosure, welded 316LSS bellows, 1/2" FNPT pressure connector, external adjust. w/ref. dial
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  • United Electric 120 Switches H122-S146B
    H122-S146B

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H122 Pressure Switch, 0-30 psi setpoint range, two SPDT, 15A@125/250/480 VAC, 3/4" FNPT electrical connector, NEMA 4X, 7 & 9 enclosure, welded 316LSS bellows, 1/2" FNPT SS pressure connector, external adjust. w/ref. dial
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  • United Electric 120 Switches H122-S134B
    H122-S134B

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H122 Pressure Switch, 30" Hg Vac-20 psi setpoint range, two SPDT, 15A@125/250/480 VAC, 3/4" FNPT electrical connector, NEMA 4X, 7 & 9 enclosure, welded 316LSS bellows, 1/2" FNPT SS pressure connector, external adjust. w/ref. dial
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  • United Electric 120 Switches H122K-S157B
    H122K-S157B

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H122K Differential Pressure Switch, 10-100 psid setpoint range, two SPDT, 15A@125/250/480 VAC, 3/4" FNPT electrical connector, NEMA 4X, 7 & 9 enclosure, welded 316LSS bellows, 1/2" FNPT SS pressure connector, external adjust...
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  • United Electric 120 Switches H122K-559
    H122K-559

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H122K Differential Pressure Switch, 10-100 psid setpoint range, two SPDT, 15A@125/250/480 VAC, 3/4" FNPT electrical connector, NEMA 4X, 7 & 9 enclosure, Teflon and Buna-N diaphragm and Buna-N o-ring, 1/4" FNPT alum. pressure...
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  • United Electric 120 Switches H122-703
    H122-703

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H122 Pressure Switch, 30-300 psi setpoint range, two SPDT, 15A@125/250/480 VAC, 3/4" FNPT electrical connector, NEMA 4X, 7 & 9 enclosure, Buna-N diaphragm and o-ring, 1/4" FNPT nickel-plated brass pressure connector, external...
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  • United Electric 120 Switches H122-554
    H122-554

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H122 Pressure Switch, 0-30 psi setpoint range, two SPDT, 15A@125/250/480 VAC, 3/4" FNPT electrical connector, NEMA 4X, 7 & 9 enclosure, Teflon diaphragm and o-ring, 1/4" FNPT 316SS pressure connector, external adjust. w/ref. dial
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  • United Electric 120 Switches H122-552
    H122-552

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H122 Pressure Switch, 30" Hg Vac-20 psi setpoint range, two SPDT, 15A@125/250/480 VAC, 3/4" FNPT electrical connector, NEMA 4X, 7 & 9 enclosure, Teflon diaphragm and o-ring, 1/4" FNPT 316SS pressure connector, external adjust...
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