Does RCCB do the job of MCB? Lets take 16A RCCB. it trips
when residual current exceeds 30mA. does it trip in an over
current situation, i.e when current exceeds 16A ??

Answer Posted / sivasankaran

Resuidal Current circuit breaker means it can sense only
the residual currents. But it does not have overload or
thermal protection.

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