VACUUM CIRCUIT BREAKER

摘要

PURPOSE: A vacuum circuit breaker is provided to prevent the generation of a triple point and the partial discharge of the vacuum circuit breaker by chamfering the edges of two terminals and two support units. CONSTITUTION: A first current unit(10) comprises a first terminal(12), a first support unit(14), a first insulation spacer(16), and a first frame fixing bolt(18). The first terminal is combined with the upper part of a central axis(30) passing through a housing box. The first support unit is separated from the first terminal in an upper direction. The first insulation spacer is symmetrically combined with the upper surface of the first terminal and the lower surface of the first support unit. The first frame fixing bolt combines the first terminal with the first support unit. The edges of the first terminal and the first support unit are chamfered.