MV/LV systems

Interlocking switchgear ensures that personnel remain safe during switching operations and equipment is operated correctly and according to the procedures in place.

Processes where switchgear interlocking are commonly used are :

  • Transformer access
  • Earthing Systems
  • Switching of High, Medium and Low Voltage
  • Switching incomers and bus couplers
  • Maintaining substation equipment

Making Energy Safe: Generation, Transmission, Distribution and Supply - Industry Guide

Trapped Key Interlocks for Switchgear - Applications Guide

Energy Industry - Application Notes