United Electric Controls 400 Series Pressure and Temperature Switches

FM-approved, NEMA 4X, multiple SPDT/DPDT switch output

The 400 Series is simple to install and operate, providing end-users multi-output alarm, safety and emergency shutdown functionality. It carries global agency certification. As an electromechanical switch, it can safely operate independently of the control system and switch reliably when called upon, free from potential communication errors or cyber concerns.

Typical applications that utilize the 400 Series include regulating industrial gas production, and controlling assets like pumps, turbines, and compressors.

Features
  • Low and/or high limit alarm and safety shutdown via one, two or three independent switches, separated up to 100% of range
  • Quick and easy installation with ample access to wiring compartment and simple set point adjustment using reference dial or calibrated gauge
  • Application versatility achieved through a variety of ranges, microswitches, sensors and process connections
  • Replaces a switch and a gauge in differential pressure applications when using optional visual indication
400 Series

59 items

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  • United Electric 400 Switches H402-144
    H402-144

    United Electric Controls

    Product Type: General Purpose 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 elect. conn., NEMA 4X encl., brass bellows, 1/4" FNPT nickel-plated brass press. conn., internal adjust. w/ref...
    Qty in Cart: 0
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  • United Electric 400 Switches H402-134
    H402-134

    United Electric Controls

    Product Type: General Purpose 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 elect. conn., NEMA 4X encl., brass bellows, 1/4" FNPT nickel-plated brass press. conn., internal adjust...
    Qty in Cart: 0
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  • United Electric 400 Switches H400-S156B
    H400-S156B

    United Electric Controls

    Product Type: General Purpose Switches

    United Electric Controls H400 Pressure Switch, 0-100 psi setpoint range, one SPDT, 15A@125/250/480 VAC, 3/4" FNPT and two 7/8" dia. knockouts elect. conn., NEMA 4X encl., welded 316LSS bellows, 1/2" FNPT SS press. conn., internal adjust. w/ref. dial
    Qty in Cart: 0
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  • United Electric 400 Switches H400-S146B
    H400-S146B

    United Electric Controls

    Product Type: General Purpose Switches

    United Electric Controls H400 Pressure Switch, 0-30 psi setpoint range, one SPDT, 15A@125/250/480 VAC, 3/4" FNPT and two 7/8" dia. knockouts elect. conn., NEMA 4X encl., welded 316LSS bellows, 1/2" FNPT SS press. conn., internal adjust. w/ref. dial
    Qty in Cart: 0
    Price:
    Subtotal:
  • United Electric 400 Switches H400-S144B
    H400-S144B

    United Electric Controls

    Product Type: General Purpose Switches

    United Electric Controls H400 Pressure Switch, 0-20 psi setpoint range, one SPDT, 15A@125/250/480 VAC, 3/4" FNPT and two 7/8" dia. knockouts elect. conn., NEMA 4X encl., welded 316LSS bellows, 1/2" FNPT SS press. conn., internal adjust. w/ref. dial
    Qty in Cart: 0
    Price:
    Subtotal:
  • United Electric 400 Switches H400K-456
    H400K-456

    United Electric Controls

    Product Type: General Purpose Switches

    United Electric Controls H400K Pressure Switch, 2-20 psid setpoint range, one SPDT, 15A@125/250/480 VAC, 3/4" FNPT and two 7/8" dia. knockouts elect. conn., NEMA 4X encl., Buna N diaph. and o-ring, 1/4" FNPT alum. press. conn., internal adjust. w/ref...
    Qty in Cart: 0
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  • United Electric 400 Switches H400-443
    H400-443

    United Electric Controls

    Product Type: General Purpose Switches

    United Electric Controls H400 Pressure Switch, 0-80" wc setpoint range, one SPDT, 15A@125/250/480 VAC, 3/4" FNPT and two 7/8" dia. knockouts elect. conn., NEMA 4X encl., Buna N diaph. and o-ring, 1/4" FNPT alum. press. conn., internal adjust. w/ref. dial
    Qty in Cart: 0
    Price:
    Subtotal:
  • United Electric 400 Switches H400-144
    H400-144

    United Electric Controls

    Product Type: General Purpose Switches

    United Electric Controls H400 Pressure Switch, 0-20 psi setpoint range, one SPDT, 15A@125/250/480 VAC, 3/4" FNPT and two 7/8" dia. knockouts elect. conn., NEMA 4X encl., brass bellows, 1/4" FNPT nickel-plated brass press. conn., internal adjust. w/ref...
    Qty in Cart: 0
    Price:
    Subtotal:
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