Medium Voltage Circuit Breakers & Contactors

Maintenance Training

This course is designed for technicians and engineers who are responsible for maintenance of medium voltage air / vacuum circuit breakers and contactors (Magne-Blast, Power/VAC and Limitamp equipment). Two-thirds of the class is dedicated to hands-on laboratory work.

Course Content

Agenda topics include:

Magne-Blast circuit breakers

  • Drawings
  • Switchgear protective relays
  • Ml-13 operating mechanism
  • Adjustments and maintenance

Power/VAC circuit breakers

  • Drawings
  • Ml-17 operating mechanism
  • Ml-18 operating mechanism
  • Adjustments and maintenance

Limitamp motor controllers

  • Drawings
  • Limitamp air-break contactors
  • Limitamp vacuum contactors
  • Adjustments and maintenance
Prerequisites

As instruction is given in English, a reasonable ability to read and understand English.

The following training dates are available in 2009:

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