The purpose of a main switchboard circuit breakers reverse-power trip is to （）.<br>A:prevent main circuit overload<br>B:protect the circuit breaker blowout coil<br>C:prevent alternator motorization<br>D:prevent low voltage tripout

The purpose of a main switchboard circuit breakers reverse-power trip is to （）.
A:prevent main circuit overload
B:protect the circuit breaker blowout coil
C:prevent alternator motorization
D:prevent low voltage tripout

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