Schirmanordnung fuer Niederspannungs-Vakuumschalter

摘要

1298448 Vacuum switches ELEKTROAPPARATE - WERKE BERLIN - TREPTOW VEB 9 Feb 1970 6042/70 Heading H1N A vacuum switch has a cylindrical metal envelope 1 and a cylindrical metal particle screen 2 mounted and separated from each other and a fixed contact 7 by a pair of insulating ceramic or glass rings 4, 5. The envelope, screen and a cylinder 3 are soldered to the ceramic rings 4, 5 and contact 7 is soldered or brazed or welded to the cylinder 3. The movable contact 9, carries a plate 11 inside the screen 2 and attached by a bellows seal to the envelope 1. A bearing 13 is mounted within the bellows.