Earth Leakage Relay - ELR / How to Wire ELR & CBCT with MCCB / Working Principle of ELR

In this, I try to give better understanding about Earth Leakage Relay - ELR and Core balance Current Transformer - CBCT, how to wire ELR and CBCT with MCCB, and the working Principle of ELR.

If you have any questions about ELR, please comment below the video. I will answer your questions.

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