Do not simply replace an MCCB with one that has the same rated current. The most important consideration is the Ultimate short-circuit breaking capacity (Icu). Incorrectly replacing MCCB will result in dangerous consequences. In this video, we will guide you through the step by step process to do this.
The Molded Case Circuit Breakers have a limited lifetime when subjected to the short circuit faults. So how can you tell that it is time to change your MCCB to ensure proper protection of your electrical system? In this article, we will discuss 3 methods of inspection to determine the right time to change your MCCB.