Telergon Switch fuse, size 00, 3P + N, 63AFusible switches are available from 32 to 800A in 2P 3P 3P+N (according to models) & 4P upon request. They combine in a compact unit the function of a switch disconnector with the protection against overloads and short circuits given by the fuses. Protection against accidental over voltages in equipments connected between phase and neutral (our standard 3P+N) whit advanced switched neutral pole (early make late break).