Vacuum circuit breaker with improved contact assembly

High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Vacuum

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218127, 218129, 218130, 218132, H01H 3366

Patent

active

056915217

ABSTRACT:
A vacuum switch having a fixed side electrode unit and a movable side electrode unit mounted in a vacuum vessel. Each electrode unit includes an arc electrode, an arc electrode supporting member for supporting the arc electrode, a coil electrode and a conducting rod. Joining portions between the arc electrode and the arc electrode supporting member, the coil electrode and the conducting rod are integrally and directly formed metallurgically by solid phase diffusion using a hot isostatic process. A vacuum circuit breaker may be constructed incorporating the vacuum switch.

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