| 摘要 |
A vacuum-type circuit interrupter is provided having a bimetallic vapor or condensing shield. The shield has a first surface consisting of a layer of a high electrically conductivity metal, as for example copper which is exposed to or faces the arcing area within the interrupter and a second layer of a superior high voltage material, as for example stainless steel which is affixed to that surface of the layer of copper away from the arcing area. The layer of stainless steel overlaps the layer of copper at the ends of the shield to an extent that allows it to be rolled over or formed to relieve electrical stresses.
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