... conformity with the standards of IEC 1008, VDE 0664, CEE27 and BS 4293. It can cut off the fault circuit immediately ... line, thus it is suitable to avoid the shock hazard and fire caused by earth leakage. NFIN RCD is mainly suitable ... using in varieties of plants, enterprises, buildings, constructions, commerce, Hotels and families, it can be sued in circuits up to single phase ...