Switch branch box are widely used in power grid due to its complete insulation, small size, compact structure and easy mounting and maintenance. The switch adopts SF6 gas as insulation and arc extinction media, stainless steel casing.
KDF series products ring stings are installed load switch and vacuum circuit breaker so that every return circuit can be in or out for running without affected by other circuits. The load switch can be attached with fuse protector. When a branch circuit short cut fault happens, the fuse protector will disconnect rapidly and strike load switch electrical apparatus release to separate brake. The fault circuit will be separated to ensure other circuit continuous working. It is widely used for urban industry zone, residence zone, commercial zone and diggings, airport etc.