Toshiba JK OEM Kit – Medium Voltage Power Cells


The Toshiba JK OEM Kit delivers a compact, front-accessible solution for medium voltage applications, designed to replace outdated air or vacuum contactors in motor, starter, and distribution feeder systems. Featuring Toshiba’s patented bolted-pressure JK isolation switch and advanced vacuum contactor technology, this kit enables efficient integration into existing cubicles while supporting a wide range of industrial applications.

Key Points

  • Conforms to UL® 347 6th Edition Standard for medium voltage motor control.
  • Patented bolted-pressure JK isolation switch for less resistance, reduced wear, and no insertion pressure.
  • Multiple configurations available with or without main power fuse clips, in single or double-barrel designs.
  • Supports applications such as conveyors, pumps, compressors, blowers, mixers, and crushers.
  • Equipped with a Toshiba 400A medium voltage vacuum contactor in drawout or fixed-type configurations.
  • Compact design: less than 24” wide, 29.3” high, 33” deep, with front accessibility.
  • Serves industries including oil & gas, mining, chemical, water/wastewater, aggregate, and pulp & paper.
  • Designed for easy integration with existing cubicles, wiring, and components.