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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  • B121-120 UE Controls Temperature Switch
    B121-120

    United Electric Controls

    Product Type: Temperature Switches

    United Electric Controls Series 120 Temperature Switch, 0 to 225°F, Type B121, one SPDT, epoxy coated Type 4X, 7, 9 enclosure, 9/16" O.D. x 1-7/8" long w/1/2" male NPT Ni-Brass immersion stem, external adjustment, with reference dial, single conduit.
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  • E122-2BSB-1535 United Electric Controls 120 Series Temperature Switch
    E122-2BSB-1535

    United Electric Controls

    Product Type: Temperature Switches

    United Electric Controls 120 Series Temperature Switch, Type E122, Bulb and Capillary, two SPDT, epoxy coated enclosure, external adj. w/ reference dial, single conduit, 30 to 250°F Adj. Set Point Range, 3/8" O.D. x 2-5/8" Bulb Length, 304SS Bulb, TB...
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  • E122-2BSB-1070 United Electric Controls 120 Series Temperature Switch
    E122-2BSB-1070

    United Electric Controls

    Product Type: Temperature Switches

    United Electric Controls 120 Series Temperature Switch, Type E122, Bulb and Capillary, two SPDT, epoxy coated enclosure, external adj. w/ reference dial, single conduit, 30 to 250°F Adj. Set Point Range, 3/8" O.D. x 2-5/8" Bulb Length, 304SS Bulb, TB...
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  • E122-2BSB-2000 United Electric Controls 120 Series Temperature Switch
    E122-2BSB-2000

    United Electric Controls

    Product Type: Temperature Switches

    United Electric Controls 120 Series Temperature Switch, Type E122, Bulb and Capillary, two SPDT, epoxy coated enclosure, external adj. w/ reference dial, single conduit, 30 to 250°F Adj. Set Point Range, 3/8" O.D. x 2-5/8" Bulb Length, 304SS Bulb, TB...
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  • J120-680-1519  United Electric Controls Model J120 Pressure Switch
    J120-680-1519

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J120 Pressure Switch, 100-1700 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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  • J120-S144B  United Electric Controls Model J120 Pressure Switch
    J120-S144B

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J120 Pressure Switch, 0.5-20 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 316L SS wetted material, internal adjust. w/o ref. scale
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  • J120-193-1190  United Electric Controls Model J120 Pressure Switch
    J120-193-1190

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls J120 Pressure Switch, 20-500 psi setpoint range, one DPDT, 11A@125/250/480 VAC, set on Rise, two 3/4" FNPT elect. conn., NEMA 4X, 7 & 9 encl., welded 316SS diaph., 1/2" FNPT pressure conn., internal adjust. w/o ref. scale
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  • H122-702-M540  United Electric Controls Model H122 Pressure Switch
    H122-702-M540

    United Electric Controls

    Product Type: Pressure Switches

    United Electric Controls H122 Pressure Switch, 3-100 psi setpoint range, two SPDT, 15A@125/250/480 VAC, 3/4" FNPT electrical connector, NEMA 4X, 7 & 9 enclosure, Viton diaphragm and o-ring, 1/4" FNPT 316SS pressure connector, external adjust. w/ref. dial
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