DZ12-60 miniature circuit breaker is applicable for circuit of AC 50Hz, and its rated working voltage is single-phase 240V, 3-phase 380V or under lighting circuit, while the circuit breaker can also function as overload and short-circuit protector, and infrequent changeover of circuits under normal conditions. Breaker is mainly installed into the distribution box. It is applicable for hotel, apartment, high-rise, square, airport, training station, industrial and commercial enterprises.