Trapped Key Interlock Usage in Switchgear (With Captions)

Trapped key interlocks have a number of functions in substation switchgear applications. For example, preventing the paralleling of two energy sources, preventing particular operations until a breaker is locked open or closed, preventing disconnecting of breakers under load, and minimizing the possibility of a hazardous arc flash. Watch the video to see how KIRK® safety interlocks keep you and your employees safe when carrying out maintenance on live equipment.