... Breaker Circuit BreakerApplication:The Residual Current Device(RCD) NFIN is in conformity with the standards of IEC 1008, VDE 0664, ... caused by earth leakage.NFIN RCD is mainly suitable for using in varieties of plants, enterprises, buildings, constructions, commerce, hotels and ... families. It can be used in circuits up to single phase 240V, three phase 415V, 50 ...