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Vacuum Contactors & Starters

Vacuum Contactors & Starters

Joslyn Clark vacuum contactors are low and medium voltage load breaking devices for 3-Phase AC Motors and medium voltage switchgear with lower current chopping than vacuum breakers. Typical applications include motor controls for electric motors, transformer, and capacitor bank switching.

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  • Mechanical life up to 3 million operations
  • Electrical life up to 1 million operations
  • No special maintenance requirements
  • Minimal contact bounce and low arc energy minimizes risks of contact welding
  • High duty cycle, up to 1200 operations per hour
  • Ability to be mounted in any plane

1140 Series Vacuum Contactor

1140 Series Vacuum Contactors
FOR OPERATING VOLTAGES 200V - 1.14kV

This series of vacuum contactors delivers a heavy duty motor contactor where space is critical. These contactors are recognized by the mining industry as a must have for any starter contactor application, including longwall mining equipment, continuous miners, conveyors, power centers and other related equipment. With long electrical power life and compact size, the 1140 Series Vacuum Contactor gives you the low voltage contactor you need.

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CV Series Vacuum Contactor

CV Series Vacuum Contactors & Starters
FOR OPERATING VOLTAGES 200V - 1.5kV

CV Series Vacuum Contactors and Starters are built for harsh industrial applications. These motor contactors and motor starters give the ability to retrofit air break contactors. CV Series contactors enables an existing application to continue with reducing maintenance costs and eliminating down time. These starter contactors are suitable for worldwide applications and for use with all types of motors including high efficiency IEC and NEMA design E motors.

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VC Series Low Voltage Vacuum Contactor

VC Series Vacuum Contactors
FOR OPERATING VOLTAGES 200V - 3.6kV

This low voltage and medium voltage vacuum contactor series incorporates many features to insure ease of maintenance, versatility, and reliability. These 3-phase motor contactors achieve optimal performance in voltages from 200V to 3.6kV and are rated for 50 to 3,700HP. In addition, the VC Series of starter contactors can be easily assembled and/or disassembled for quick maintenance.

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MVC Series Medium Voltage Vacuum Contactor

MVC Series Vacuum Contactors
FOR OPERATING VOLTAGES 2kV - 7.2kV

MVC Series Vacuum Contactors are 3-phase motor contactors built for control and protection in medium voltage applications. These starter contactors is built in modular design for simplified assembly and easy inspection. The MVC Series offers in-line terminals and alternative line terminal position enabling line and load termination to be on same side of contactor.

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