A switching device comprising a frame (2), a first connector (4) and a second connector (6), the first connector (4) and the second connector (6) extending from inside the frame (2) outside the frame (2), means (8) for connecting the first (4) and the second (6) connector electrically to one another, and one or more gas flow openings (10, 11) provided in the frame (2) and arranged for a gas flow produced by a switching event. In its portion remaining inside the frame (2), the first connector (4) comprises a hole (12) provided for said gas flow.