| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a cover capable of preventing a connection hinge part from being broken due to stress concentration.SOLUTION: Disclosed is a cover 10 which includes a first cover 11 covering the side surface of a fuse unit body 2, a second cover 12 covering the upper surface of the fuse unit body 2 and a connection hinge part 13 capable of being flexibly deformed by connecting between the first cover 11 and the second cover 12 and is displaced between a closed position where the second cover 12 covers the upper surface of the fuse unit body 2 and an open position which is separated from the upper surface. In the connection hinge part 13, an outer peripheral shape of a cross-section is a circumferential shape.</p> |
