Vacuum switch

摘要

In a vacuum vessel having a vacuum vessel defined by an insulating cylinder and end plates, relatively movable first and second contacts and a bellows, there are provided a first metal plate having a reentrant portion, a second metal plate also having a reentrant portion, and an operating mechanism for separating the contacts which operates such that both contacts are positioned in the reentrant portion of the first metal plate at the time of current interruption and one of the contacts is moved into the reentrant portion of the second metal plate after the current interruption.