For AC 50Hz, rated voltage is 380V, 660V), rated working current to 630A, as metallurgy, mine, petroleum, chemical, electric power, building materials, machinery, transportation, hotels, restaurants and other three-phase four wire power system the power distribution , offering line overload, short circuit and leakage protection, And the circuit is converted to normal.
1, the use of industrial circuit breakers and other quality devices;
2, the input bus copper bar, in the bottom outlet
3, front and rear door design, easy installation and maintenance;
4, three-phase voltage, single path current indicator;