Patent ID: 8653395
Filing Date: 2014-02-18
Classification: H01H

Abstract:
1. A high or very high voltage circuit breaker comprising, for each phase, at least two breaker chambers aligned with each other, in which each includes a pair of main contacts, a pair of arcing contacts that are each fastened to one of the main contacts, and a nozzle for blowing out hot gases resulting from the breaking operations, the pairs of contacts being partly of complementary male and female forms, each comprising at least one movable contact, the nozzle being fastened to the movable main contact and arcing contact, each breaker chamber being radially delimited by the respective main contacts, wherein the simultaneous movement between the movable contacts of the first breaker chamber and the movable contacts of the second breaker chamber is performed by a transmission assembly that is fastened directly, firstly to the movable main contact of the first chamber, and secondly the movable arcing contact of the second chamber, the transmission assembly being contained inside the two breaker chambers, one of the arcing contacts of at least the first breaker chamber being stationary and fastened to a stationary outer wall of the circuit breaker.