External front-mounted or RH side-mounted. Switch fuse are available in 1, 2, 3 & 4 pole Din type and BS type. Switch-disconnector-fuse switch bodies for use with BS fuses Two switch discconector fuse units can be interlocked by a mechanical interlock kit. Shaft length can be increased with the shaft kit. Two types of handle coupling are available. Compact size saves panel space. Single handle operation for the entire range. High electrical & mechanical life.