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

1763 items

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  • United Electric 400 Switches H402K-456
    H402K-456

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H402K Differential Pressure Switch, 2-20 psid setpoint range, two SPDT, 15A@125/250/480 VAC, 3/4" FNPT and two 7/8" dia. knockouts electrical connector, NEMA 4X enclosure, Buna-N diaphragm and o-ring, 1/4" FNPT alum. pressure...
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  • United Electric 400 Switches H402K-455
    H402K-455

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H402K Differential Pressure Switch, 5-80" wcd setpoint range, two SPDT, 15A@125/250/480 VAC, 3/4" FNPT and two 7/8" dia. knockouts electrical connector, NEMA 4X enclosure, Buna-N diaphragm and o-ring, 1/4" FNPT alum. pressure...
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  • United Electric 400 Switches H402-554
    H402-554

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H402 Pressure Switch, 0-30 psi setpoint range, two SPDT, 15A@125/250/480 VAC, 3/4" FNPT and two 7/8" dia. knockouts electrical connector, NEMA 4X enclosure, Teflon diaphragm and o-ring, 1/4" FNPT 316LSS pressure connector,...
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  • United Electric 400 Switches H402-552
    H402-552

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H402 Pressure Switch, 30" Hg Vac-20 psi setpoint range, two SPDT, 15A@125/250/480 VAC, 3/4" FNPT and two 7/8" dia. knockouts electrical connector, NEMA 4X enclosure, Teflon diaphragm and o-ring, 1/4" FNPT 316LSS pressure...
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  • United Electric 400 Switches H402-454
    H402-454

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H402 Pressure Switch, 0-30 psi setpoint range, two SPDT, 15A@125/250/480 VAC, 3/4" FNPT and two 7/8" dia. knockouts electrical connector, NEMA 4X enclosure, Buna-N diaphragm and o-ring, 1/4" FNPT alum. pressure connector,...
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  • United Electric 400 Switches H402-376
    H402-376

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H402 Pressure Switch, 0-500 psi setpoint range, two 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 H402-270
    H402-270

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H402 Pressure Switch, 0-200 psi setpoint range, two SPDT, 15A@125/250/480 VAC, 3/4" FNPT and two 7/8" dia. knockouts electrical connector, NEMA 4X enclosure, phosphor bronze bellows, 1/4" FNPT nickel-plated brass pressure...
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  • United Electric 400 Switches H402-144
    H402-144

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H402 Pressure Switch, 0-20 psi setpoint range, two 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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