Vacuum Contactors and Switches for Power Plants



In the utility and power industry, failure is not an option. Power plants require reliable power switching and motor starting solutions to ensure a dependable supply of electricity at all times in order to prevent a costly and time consuming breakdown.

That’s why more leading utility companies choose Joslyn Clark, a recognized leader in vacuum contactor manufacturing for use in power plants. Applications include water pumping, blowers, conveyors, capacitor switching and other power switching applications.  

Joslyn Clark’s CV, VC, and MVC contactor offerings ensure safe and dependable start up and operation of utility equipment. Spanning the medium voltage range from 600V through 1.5 kV (CV Series), <3.6 kV (VC Series), and <7.2 kV (MVC Series), Joslyn Clark has the contactor and motor starter system solution to address your needs. 

For utility applications, our contactor and starter solutions offer power utilities safe, dependable solutions with a small environmental footprint for use in motor starting and power supply applications. 

  • 1140V


    The 300 Amp, 1140 Volt Vacuum Contactor is for industries in which space is critical. This rugged contactor can be mounted in any plane and is front accessible. It also features a long electrical life and the kind of durability and reliability you’ve come to expect from Joslyn Clark vacuum contactors.

    Shop Series

  • VCL77U03515


    A higher reliability and longer life, electrically controlled switch used for switching high current electrical circuits. Used to control electric motors, lighting, heating, capacitor banks, thermal evaporators, and other electrical loads in harsh environments.

    Shop Series

  • CV77U030506


    Joslyn Clark CV contactors are compact in size to offer a solution to customers looking for an alternative to air break contactor for extended operating life in rugged applications. Joslyn Clark CV Starters combine the compact contactor load switching requirements with over current protection to prevent overload damage to the motor.

    Shop Series

  • MVC31U036A72


    The Joslyn Clark USAVAC Medium Voltage Contactors are ideal for applications for 2300V to 7200V. Current ratings of 200, 400 and 600 ampere, and motor ratings up to 7000 Hp at 6600V are available. Medium Voltage contactors and starters offer many unique features to create easy maintenance, dependability and versatility.

    Shop Series