| 摘要 |
<p>The switching station has an isolator built into the partition, with an arm rotatable in the partition opening. A contact is provided on each side of the partition, and an earhing contact on its one side. They are placed on a circle with a dia. such that the switching arm may connect the two contacts, or may be connected to the earthing contact. The switching arm (2) is mounted insulated in a drum (1) in the partition opening, with the contacts (6-9) and at least one earthing contact (10, 11) on its inner surface, so that each contact (6-9) may be connected to an earthing contact.</p> |
