Fuse

The utility model relates to a fuse which is provided with a fuse body 1 and a fuse tube 2, wherein the fuse body 1 is arranged in the fuse tube 2, and both ends of the fuse body 1 extend out of the tube. The fuse body 1 with both ends extending out of the fuse tube 2 is provided with an opening 5. When the fuse is used, the fuse can be easily disassembled or installed by unscrewing a bolt or a nut without screwing off the bolt or the nut. The utility model has the advantages of convenience, labor and time saving and high work efficiency. Arc extinction stuffing 4 is filled between the fuse body 1 and the fuse tube 2. When a circuit generates failure, the electric arc can be quickly extinguished, and the capability of breaking failure current is greatly enhanced. The fuse body 1 is also connected with a fuse indicating lamp 3. In this way, the lamp can be definitely bright when the circuit generates failure. The fuse has the advantages of reasonable design, simple structure and convenient use and replacement, and is widely used for protecting circuits of various electric facilities.