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Answer Posted / muhammad ashraf
A circuit bracker is a isolation device which save the load
circuit from abnormal condition, like over current of the
rated capcity of the circuit, when over current flow from
the circuit, bimatelic strip works and trip the circuit
breaker and circuit breaker isolate the main circuit to
load circuit. So, this is the protactive device which
isolate the circuit from the mains in abnormal condition.
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