| 摘要 |
In order to improve cooling performance of a switch unit or switchgear equipped with the switch unit, the switch unit (46) includes a switch (26) having a movable electrode (17) and a fixed electrode (16) and is casted as one body with a resin (2), the resin is provided with resin fins (1, 41), and the thickness of the resin fin is changed so that the resin fin has a thickness sloped in the longitudinal direction of the resin fin. |
