Provided is an electric power fuse which improves the rating, which can prevent explosive scatter of metal in association with arc discharge, and which can reliably break a circuit. This electric power fuse (1) has an insulating substrate (2), a main fuse element (3) provided to the insulating substrate (2), and a sub-fuse element (4) provided to the insulating substrate (2) and having a higher melting point than the main fuse element (3), the main fuse element (3) and the sub-fuse element (4) being connected in parallel.