Circuit breaker with the break chamber has a double movement and a structure reversed.

摘要

The present invention relates to a circuit breaker 1 high or medium voltage of the type comprising a drive rod (7) connected to a control member, and a breaking chamber (2) facing comprising two contacts (3), (4), each contact (3), (4) respectively comprising a main contact (30), (40) and an arc contact (31), (41), one of the two contacts (3) being attached to a blast nozzle (32) in the invention, the second contact (4) and the drive rod (70) are connected together by coupling means (6) so as to have a translation movement in the same direction, and in which the transmission means (5) are arranged on the side (21) of the chamber (2) which is adjacent to the drive rod (70) and are adapted to transmit the movement of the second contact (4) in the first contact (3).