MCCB / Molded Case Circuit Breaker is an electrical component that functions as a safety and current breaker when there is a short circuit (short circuit) or overload (overload) which can cause damage to the electric motor and fire due to sparks.
The way MCCB works there are 3 mechanisms to cut off electric current, the first is a thermal mechanism and the second is a magnetic mechanism. for the thermal (temperature) mechanism, MCCB has a bimetallic contact area that can expand and contract in response to temperature changes
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