The utility model relates to a grid-typed fuse for an outdoor low voltage distribution transformer fuse box, and the grid-typed fuse belongs to the field of emergency protective device. The grid-typed fuse comprises a fuse body, the number of the fuse body is at least one, a first connecting piece and a second connecting piece are correspondingly arranged at two ends of the fuse body respectively, the first connecting piece and the second connecting piece are provided with a U-type opening fixing slot respectively, an inclined surface transition section is arranged at a joint of the fuse body and the first and second connecting pieces, the first connecting piece and the second connecting piece are positioned in a same plane, and the fuse body and the first and second connecting pieces are positioned in two parallel planes. According to the grid-typed fuse of the utility model, the flattening design method of the structure is adopted, the miniaturization and flattening of the power supply equipment are facilitated, the amount of the fuse body can be permutated and combined so as to form fuse plates of different current specifications, thereby being more suitable for management mode of modern material resource/logistics management; further, the grid-typed fuse can be widely applied in low-voltage power supply system or the field of equipment protection.