1,used in AC50Hz 2,rated insulate voltage upto 1000V 3,rated current of700A,4,cut out fuse link,fast fuse link,fuse Bolt Connected Square Pipe Fuse Links This series of fuses are mainly used in circuits of AC 50Hz,rated voltage of 1000V and rated current of 700A,to protect the semiconductor components and the whole unit from circuit short.(aR). The breaking capacity of the fuses is up to 100KA ...