DZ47GQ Voltage Protector (under voltage protection circuit breaker and over voltage protection circuit breaker) is the derivative product of DZ47 miniature circuit breaker With voltage module. It' s appropriate for the rated current of 1-125A, AC 50Hz, rated voltage of 230V, over-voltage protection setting value at (275 ± 5%), under-voltage protection rating of 170 ± 5%, it is used for over-current, short-circuit and over-under voltage protection of building circuit facilities and AC distribution system and electrical equipment. It is the best products installed in the residential, hotel hospitals, shops and office buildings.v