CEM distribution box is suitable for circuit of AC 50/60Hz, rated voltage up to AC660V, rated current up to 125A of distribution control of modern building such as large office mansion, hotel, commerce department industrial and mining enterprises and son on. It can protect electric appliances from overload voltage & current. It also can short and frequent switch ON/OFF under normal operting condition. It is one of the most reliable general distribution system in the word 3ways, 4ways, 6ways, 8ways, 10way&12ways are available.