... .Professional of MCB 3.Leakage action current:30,100,300mA. 4P NFIN RCCB Residual Current Device (RCD),are designed for protection ... facilities,outdoor sockets,etc.Specification: Number of Poles2P, 4PRated Current (A)16, 20, 25, 32, 40, 50, 63, 80Rated Residual Operating ...