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United Electric Controls 120 Series Pressure and Temperature Switches

Explosion-proof SPDT/DPDT and multi-switch output for control and safety applications

Heavy industrial processes rely on 120 Series pressure and temperature switches to protect equipment and personnel while preserving process uptime. The 120 Series is simple to install in hazardous location areas and perform critical alarm, safety and emergency shutdown functions. As an electromechanical switch, it can safely operate independently of the control system and switch reliably when needed, free from potential communication errors or cyber concerns.

Typical applications that utilize the 120 Series include rotating equipment such as pumps, turbines, and compressors, heat tracing, combustion systems, and oil, gas and chemical processing.

Features

    • SIL 2 certified (SIL 3 capable) switch providing reliable local switching of final element in safety instrumented systems (SIS)
    • Simplified installation with ample access to wiring compartment, terminal block, and set point adjustment
    • Protect piping and vessels with heat trace/freeze protection temperature models
    • Application versatility achieved through a variety of ranges, microswitches, sensors and process connections

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120 Series

69 items

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  • United Electric 120 Switches J120-171
    J120-171

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J120 Pressure Switch, 1-20 psi setpoint range, one SPDT, 15A@125/250/480 VAC, two 3/4" FNPT electrical connector, NEMA 4X, 7 & 9 enclosure, welded 316LSS diaphragm, 1/2" FNPT SS pressure connector, internal adjust. w/o ref. scale
    Qty in Cart: 0
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  • United Electric 120 Switches H122-156
    H122-156

    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, brass bellows, 1/4" FNPT nickel-plated brass pressure connector, external adjust. w/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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  • United Electric 120 Switches J120K-455-9971
    J120K-455

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J120K Differential Pressure Switch, 5-80" wcd 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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  • United Electric 120 Switches J120K-367-9747
    J120K-367

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J120K Differential Pressure Switch, 10-100 psid 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 pressure connector, internal adjust...
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  • United Electric 120 Switches J120K-36
    J120K-36

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J120K Differential Pressure Switch, 3-30 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 303SS pressure connector, internal...
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  • United Electric 120 Switches J120-702
    J120-702

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J120 Pressure Switch, 3-100 psi setpoint range, one SPDT, 15A@125/250/480 VAC, two 3/4" FNPT elect. conn., NEMA 4X, 7 & 9 encl., Buna-N diaph. and o-ring, 1/4" FNPT nickel-plated brass pressure conn., internal adjust. w/o ref...
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  • United Electric 120 Switches J120-616
    J120-616

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J120 Pressure Switch, 700-5000 psi setpoint range, one SPDT, 15A@125/250/480 VAC, two 3/4" FNPT electrical connector, NEMA 4X, 7 & 9 enclosure, 303SS piston material and Buna-N o-ring, 1/4" FNPT 316SS pressure connector, internal...
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