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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 100 Switches H100-171-1535
    H100-171-1535

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H100 Pressure Switch, 1-20 psi setpoint range, one SPDT, 15A@125/250/480 VAC, 1/2" FNPT and two 7/8" dia. knockouts electrical connector, NEMA 4X enclosure, welded 316LSS diaphragm, 1/2" FNPT SS pressure connector, high ambient...
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  • United Electric 100k Switches H100K-548-M540
    H100K-548-M540

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H100K Differential Pressure Switch, 100-500 psid setpoint range, one SPDT, 15A@125/250/480 VAC, 1/2" FNPT and two 7/8" dia. knockouts electrical connector, NEMA 4X enclosure, Kapton diaphragm w/Viton sealing diaphragm, 1/8" FNPT...
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  • United Electric 100k Switches H100K-547-M540
    H100K-547-M540

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H100K Differential Pressure Switch, 50-250 psid setpoint range, one SPDT, 15A@125/250/480 VAC, 1/2" FNPT and two 7/8" dia. knockouts electrical connector, NEMA 4X enclosure, Kapton diaphragm w/Viton sealing diaphragm, 1/8" FNPT...
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  • United Electric 120 Switches J120-361-1519
    J120-361-1519

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J120 Pressure Switch, 20-300 psi setpoint range, one SPDT, 15A@125/250/480 VAC, two 3/4" FNPT electrical connector, NEMA 4X, 7 & 9 enclosure, welded 316LSS bellows, 1/4" FNPT SS pressure connector, adjustable deadband, internal...
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  • United Electric 21 Differential Pressure Switch J21K-254-1520
    J21K-254-1520

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J21K Differential Pressure Switch, 0-90 psid setpoint range, one SPDT, 15A@125/250/277 VAC, 7/8" dia. conduit hole, NEMA 4 enclosure, phosphor bronze bellows, 1/4" FNPT pressure connector, adjustable deadband, internal adjust...
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  • United Electric 54 Switches H54-146
    H54-146

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H54 Pressure Switch, 0-30 psi setpoint range, one SPDT, 15A@125/250/480 VAC, 7/8" dia. conduit hole, NEMA 1 enclosure, brass bellows, 1/4" FNPT nickel-plated brass pressure connector, internal adjust. w/ref. dial
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  • United Electric 120 Switches H121K-S147B-M210
    H121K-S147B-M210

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H121K Differential Pressure Switch, 3-30 psid setpoint range, one 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, differential pressure...
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  • United Electric 100 Switches H100-610-1180
    H100-610-1180

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H100 Pressure Switch, 75-1000 psi setpoint range, one SPDT, 11A@125/250 VAC, 1/2" FNPT and two 7/8" dia. knockouts electrical connector, NEMA 4X enclosure, 303SS piston and Buna-N o-ring, 1/4" FNPT 303SS pressure connector,...
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