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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 400 Switches J400-358
    J400-358

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J400 Pressure Switch, 0-200 psi setpoint range, one SPDT, 15A@125/250/480 VAC, 3/4" FNPT and two 7/8" dia. knockouts electrical connector, NEMA 4X enclosure, welded 316LSS bellows, 1/4" FNPT SS pressure connector, internal adjust...
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  • United Electric 400 Switches J400-156
    J400-156

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J400 Pressure Switch, 0-100 psi setpoint range, one SPDT, 15A@125/250/480 VAC, 3/4" FNPT and two 7/8" dia. knockouts electrical connector, NEMA 4X enclosure, brass bellows, 1/4" FNPT nickel-plated brass pressure connector,...
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  • United Electric 400 Switches J400-134
    J400-134

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J400 Pressure Switch, 30" Hg Vac-20 psi setpoint range, one SPDT, 15A@125/250/480 VAC, 3/4" FNPT and two 7/8" dia. knockouts electrical connector, NEMA 4X enclosure, brass bellows, 1/4" FNPT nickel-plated brass pressure...
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  • United Electric 21 Differential Pressure Switch J21K-S150B-9519
    J21K-S150B

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J21K Differential Pressure Switch, 0-40 psid setpoint range, one SPDT, 15A@125/250/480 VAC, 7/8" dia. conduit hole, NEMA 4 enclosure, welded 316LSS bellows, 1/2" FNPT pressure connector, internal adjust. w/o ref. dial
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  • United Electric 21 Differential Pressure Switch J21K-S127B
    J21K-S127B

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J21K Differential Pressure Switch, 30" Hg Vac-0 psid setpoint range, one SPDT, 15A@125/250/480 VAC, 7/8" dia. conduit hole, NEMA 4 enclosure, welded 316LSS bellows, 1/2" FNPT SS pressure connector, internal adjust. w/o ref. dial
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  • United Electric 21 Differential Pressure Switch J21K-357
    J21K-357

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J21K Differential Pressure Switch, 0-70 psid setpoint range, one SPDT, 15A@125/250/480 VAC, 7/8" dia. conduit hole, NEMA 4 enclosure, welded 316LSS bellows, 1/4" FNPT pressure connector, internal adjust. w/o ref. dial
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  • United Electric 21 Differential Pressure Switch J21K-150
    J21K-150

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J21K Differential Pressure Switch, 0-40 psid setpoint range, one SPDT, 15A@125/250/480 VAC, 7/8" dia. conduit hole, NEMA 4 enclosure, brass bellows, 1/4" FNPT brass pressure connector, internal adjust. w/o ref. dial
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  • United Electric 120 Switches J120K-456
    J120K-456

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J120K Differential Pressure Switch, 2-20 psid setpoint range, one SPDT, 15A@125/250/480 VAC, two 3/4" FNPT electrical connector, NEMA 4X, 7 & 9 enclosure, Buna-N diaphragm and o-ring, 1/4" FNPT alum. pressure connector, internal...
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