How Circuit Breaker Detects Fault and Trips the Circuit?

In this video I will show you How Circuit Breaker Detects Fault and Trips the Circuit?
with the help of Relay circuit breaker detects the Electrical fault and trip the circuit and clear the fault.
In electrical engineering, a protective relay is a relay device designed to trip a circuit breaker when a fault is detected. The first protective relays were electromagnetic devices, relying on coils operating on moving parts to provide detection of abnormal operating conditions such as over-current, over-voltage.

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