| 摘要 |
A vacuum switch 1 is mounted within a sealed enclosure 4 containing an insulating fluid, with conducting leads 8,38 to the switch contacts 2,3 extending through insulating bushings 9 supported by the enclosure wall, the movable contact 3 being connected to the respective conducting lead 38 by a coupling 34 which permits transfer of current to take place between the contact and lead whilst allowing opening and closing movement of the contact. The coupling comprises a cage of sprung fingers engaging over the bulbous ends of the lead 38 and a contact stub 32. The contact 3 is moved by a shaft 27 projecting from the enclosure 4 and linked to the contact lead 3.3 through a spring 29 and telescopic section 30. <IMAGE> |
