... the protection,against electrical leakage in the circuit of 50Hz or 60Hz, rated voltage single-phase 240V,3 phase 415V ,rated ... the residual current of the circuit exceeds the fixed value, the ELCB can cut off the power within the time of ... S)220V1P1~1015~3240~603015<0.1380v2,3,4P10050Wiring Diagram Single-pole Doubule lineDoubule-poleDouble lineTriple-poleTriple lineTriple-poleFour lineFour-poleFour ...