Vacuum interrupter with transition areas between metal housing parts and ceramic housing parts covered by insulating material

摘要

The invention concerns to a vacuum interrupter with transition areas between metal housing parts and ceramic housing parts covered by insulating material according to the preamble of claim 1. In order to enhance the dielectric performance and the field grading behaviour, the insulating material extends as a tube (4) or a multilayer tube design over at least nearly the complete length of the vacuum interrupter (1,1') or vacuum device arrangement, and that the insulating material is filled or at least covered at the inner surface which come into close contact with the vacuum interrupter or vacuum device surface, with metal and/or conductive metal oxides.