| 摘要 |
A vacuum switch means a unit switch section comprising a pair of vacuum main circuit switches, an earth switch, operating rods for operating movable conductors of the main circuit vacuum switch and earth switch, and a molding case covering the main circuit switch, earth switch and the operating rods, wherein the operating rods are connectable with an operating mechanism, and the fixed conductors of the main circuit switch and earth switch are connected with bushing conductors. The main circuit vacuum switches are disposed in separate vacuum chambers. The movable conductors of the main circuit switches and electrically connected to each other via a transition conductor, and the movable conductors are operated synchronously by means of a transition rod connected to the transition conductor.
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