- MCB Definition: An MCB is defined as an automatically operated switch that protects low voltage electrical circuits from excess current due to overload or short circuit.
- Working Principle: MCBs use thermal and electromagnetic effects to detect and interrupt overcurrent, ensuring circuit protection.
- MCB vs. Fuse: MCBs are more reliable and safer than fuses, offering easier fault detection and quicker power restoration.
- Construction: An MCB consists of a frame, operating mechanism, and trip unit, all working together for effective circuit protection.
- Operation: The MCB’s trip unit includes a bimetal for overload protection and an electromagnet for short-circuit protection, ensuring proper operation.
Miniature Circuit Breaker [ MCB ]
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Miniature Circuit Breaker [ MCB ]
| ABB, Eaton, Hager, Schneider Electric, Himel, Chint, FUJI, EPS, and Maxguard. LS, Terasaki |
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