RCCB, RCD
It can cut off the fault circuitimmediately on the occasion of shock hazard or earth leakage of trunk line. Thus it is suitable to avoid the shock hazard and fire caused of earth leakage. Nfn rcd is mainly suitable for using in variety of plants, enterprises, buildings, construction, commerce, guesthouses and families. It can be used in circuits up to single phase 240v, three phase 415v, 50 or 60hz.