the following example is for you reference.


Features:
PZ30 terminal combination apparatus is suitable for single-phase three-wire or three-phase five-wire terminal circuits with rated voltage 220V or 380V and total load current not more than 100A, as a complete set of devices to control power-using equipment and protect against overload, short-circuit overvoltage and leakage. It can be widely used in high-rise buildings, hotels, houses, stations, ports, airports, hospitals, theaters, large commercial outlets and industrial and mining enterprises, etc.