power for other electric equipment;
2. Diecasted Al-alloy shell with moulded-shapement and plastic-sprayed surface;
3. Adopting the module strcture, with various types for freely compound;
4. Can be operated on surfaceorremoted and custom-ized by uses' requirements;
5. Possessing the guarding function against overload, short and under voltage;
6. Steelpipe and cable wirin