Type:YEM1L-100 This series is applicable for the infrequent line change over and motor start in the circuit of the AC 50/60Hz, rated insulating voltage 800V, rated working voltage 400V, rated working current up to 630A(800A) for industrial and mining enterprise, building trade, commerce and family. The circuit breaker has the protecting function of overload and undervoltage as per requirement and can protect the circuit and electric power equipment and keep off the fire dagerous cased by earth connected problems. The rated current 30Ma can directly protect the earth leakage circuit breaker as other protecting equipment fault. The products according with IEC60947-2 and GB14048.2 standard. (1)Main technical parameter: 1.Shell current Inm(A):100 2.Rated current In(A):16,20,25,32,40,50,63,80,100 3.Rated working voltage Ue(V): AC400 4.Rated insulating voltage Ui(V):AC800