Patent ID: 6849819

Claim:
A hybrid high-voltage or medium-voltage breaker device comprising: an enclosure filled with a dielectric gas and having a longitudinal axis, a vacuum switch disposed in said enclosure, including a first pair of arc contacts comprising a first contact which is fixed and a second contact which can be moved in translation in the axial direction, pressure means adapted to exert on said second contact a force such that the mutual pressure between the bearing surfaces of said first and second contacts is greater than a particular value when said vacuum switch allows current to flow, a gas switch disposed in said enclosure, including a second pair of arc contacts comprising a third contact which is fixed or quasi-fixed and a fourth contact which can be moved in translation in said axial direction, an operating rod connected to said fourth contact and adapted to be immobilized or moved in translation by operating means, connection means for electrically connecting said second contact and said third contact, adapted to be moved in translation in said axial direction conjointly with said second contact, displacement means connected to said connection means and to said operating rod to move them to separate said second and fourth contacts from said first and third contacts, respectively, comprising dead travel connecting means connecting said connection means to said rod, said dead travel connecting means moving said rod over a particular dead travel at the same time as operating on said connection means to hold said vacuum switch closed during said movement, and in which device, when said dead travel has been completed by said rod, said dead travel connecting means are adapted to acquire a movement in translation in said axial direction which is independent of the movement acquired simultaneously by said connection means.