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

1772 items

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  • United Electric 21 Differential Pressure Switch J21K-254-9545
    J21K-254 UE Controls Model J21K Differential Pressure Switch
    J21K-254

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J21K Differential Pressure Switch, 0-90 psid setpoint range, one SPDT, 15A@125/250/480 VAC, 7/8" dia. conduit hole, NEMA 4 enclosure, phosphor bronze bellows, 1/4" FNPT pressure connector, internal adjust. w/o ref. dial
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  • United Electric 400 Switches J402-156-9774
    J402-156 UE Controls Model J402 Pressure Switch
    J402-156

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J402 Pressure Switch, 0-100 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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  • United Electric 100 Switches H100-193-95324
    H100-193 UE Controls Model H100 Pressure Switch
    H100-193

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H100 Pressure Switch, 20-500 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 316SS diaphragm, 1/2" FNPT pressure connector, internal adjust.
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  • United Electric 100 Switches H100-192-95317
    H100-192 UE Controls Model H100 Pressure Switch
    H100-192

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H100 Pressure Switch, 15-300 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 316SS diaphragm, 1/2" FNPT pressure connector, internal adjust.
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  • Barksdale Pressure Switch
    D2H-A80SS-S0001 Barksdale Pressure Switch
    D2H-A80SS-S0001

    Barksdale

    Product Type: Pressure Switches

    Barksdale D2H Series Pressure Switch, 1/4" FPT, 125/250/480 VAC, 10/3 A, 0.03 to 5.5 Bar, SPDT, NEMA 4, Stainless Steel Diaphragm, Dual Setpoint Housed, Single/Dual Circuit, Factory Preset, Pressure Switch.
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  • Barksdale Compact Pressure Switch
    A9681X-1CC-2-W79 Barksdale Compact Pressure Switch
    A9681X-1CC-2-W79

    Barksdale

    Product Type: Pressure Switches

    Barksdale 9681X Series Compact Pressure Switch, 1/4" FPT, 125/250 VAC/30 VDC, 11/5 A, 5 to 150 PSI, SPDT, NEMA 4X/7/9, Viton Diaphragm/O-Ring, Explosionproof, Compact Pressure Switch.
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  • Ashcroft B4, Type 400 Pressure Switch
    B424BXFS100# Ashcroft B-Series Pressure Switch
    B424BXFS100#

    Ashcroft

    Product Type: Pressure Switches

    Ashcroft B-Series B4, Type 400 Pressure Switch, 1/4" FPT, 125/250/480 VAC, 30/125/250 VDC, 15/1/2/1/4/6 A, SPDT, 100 PSI, NEMA 3/4/4X/13, IP66, Epoxy Coated Aluminum, Direct/Surface Mount, Rugged Diaphragm/Buna-N Sealed Piston Actuator, Water Tight,...
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  • Ashcroft B4, Type 400 Pressure Switch
    B432SX06200# Ashcroft B-Series Pressure Switch
    B432SX06200#

    Ashcroft

    Product Type: Pressure Switches

    Ashcroft B-Series B4, Type 400 Pressure Switch, 1/4" FPT and 1/2" MPT, 125/250 VAC, 30 VDC, 11/5 A, SPDT, 200 PSI, NEMA 3/4/4X/13, IP66, Epoxy Coated Aluminum, Direct/Surface Mount, Rugged Diaphragm/316L Stainless Steel Sealed Piston Actuator, Water...
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