This series fuse is suitable for AC 50Hz, rated voltage to 600V, rated current to 125A. 1. Application This series fuse is suitable for AC 50Hz, rated voltage to 600V, rated current to 125A. It is mainly used for protecting the electrical circuit against overload and short-circuits(gG/gL). Because of different melting tablets, it also may derive for rotecting the semiconductor device and others ...