Circuit breaker device breaking device, in particular for contactor or contactor-circuit breaker.

摘要

P The present invention relates to a rupture device housed in the breaking chamber of a housing of a switching device such as a contactor or contactor-circuit breaker, comprising at least one movable contact cooperating with a fixed contact, and associated to fins an arc deflector taking the general shape of a U and having a V-shaped or Y-shaped cutout in which the fixed contact is housed. This fixed contact comprises a fixed contact support and a contact pad, and is such that the fixed contact support is a solid, flat and unfolded part. /P