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 J120-185
    J120-185

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J120 Pressure Switch, 4-100 psi setpoint range, one SPDT, 15A@125/250/480 VAC, two 3/4" FNPT electrical connector, NEMA 4X, 7 & 9 enclosure, 316LSS diaphragm and Viton o-ring, 1/2" FNPT 316SS pressure connector, internal adjust...
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  • United Electric 120 Switches J120-184
    J120-184

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J120 Pressure Switch, 2-50 psi setpoint range, one SPDT, 15A@125/250/480 VAC, two 3/4" FNPT electrical connector, NEMA 4X, 7 & 9 enclosure, 316LSS diaphragm and Viton o-ring, 1/2" FNPT 316SS pressure connector, internal adjust...
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  • United Electric 120 Switches J120-164-95722
    J120-164

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J120 Pressure Switch, 4-200 psi setpoint range, one SPDT, 15A@125/250/480 VAC, two 3/4" FNPT electrical connector, NEMA 4X, 7 & 9 enclosure, brass bellows, 1/4" FNPT nickel-plated brass pressure connector, internal adjust. w/o...
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  • United Electric 120 Switches J120-152
    J120-152

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J120 Pressure Switch, 1-50 psi setpoint range, one SPDT, 15A@125/250/480 VAC, two 3/4" FNPT electrical connector, NEMA 4X, 7 & 9 enclosure, brass bellows, 1/4" FNPT nickel-plated brass pressure connector, internal adjust. w/o ref...
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  • United Electric 120 Switches H122-S164B-9683
    H122-S164B

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H122 Pressure Switch, 0-200 psi setpoint range, two SPDT, 15A@125/250/480 VAC, 3/4" FNPT electrical connector, NEMA 4X, 7 & 9 enclosure, welded 316LSS bellows, 1/2" FNPT pressure connector, external adjust. w/ref. dial
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  • United Electric 120 Switches H122-S156B-95257
    H122-S156B

    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, welded 316LSS bellows, 1/2" FNPT pressure connector, external adjust. w/ref. dial
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  • United Electric 120 Switches H122-S146B
    H122-S146B

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H122 Pressure Switch, 0-30 psi setpoint range, two 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, external adjust. w/ref. dial
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  • United Electric 120 Switches H122-S134B
    H122-S134B

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H122 Pressure Switch, 30" Hg Vac-20 psi setpoint range, two 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, external adjust. w/ref. dial
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