Switchgear

H - Electricity – 01 – H

Patent

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Details

H01H 9/36 (2006.01)

Patent

CA 2717814

The invention relates to a switchgear (1), preferably a power switch, comprising at least one input terminal (2) and at least one output terminal (3) for connecting electrical conductors, and a first switching contact (4) and a second switching contact, said switching contacts closing, in a closed position, a current path between the input terminal (2) and the output terminal (3). A separating device is provided for separating the first switching contact (4) and the second switching contact, and at least one arc extinguisher chamber (9) containing a pre-determinable number of sheet metals (10) is arranged in the region of the switching contacts (4). In order to obtain a high level of reliability and operating safety even following repeated disconnection, at least two of the sheet metals (10) are adjacently arranged at least in sections.

L'invention concerne un commutateur qui comprend au moins une borne d'entrée (2) et au moins une borne de sortie (3) pour la connexion de conducteurs électriques, ainsi qu'un premier contact de commutation (4) et un second contact de commutation (5). Lorsqu'ils sont en position fermée, les contacts de commutation (4, 5) ferment un circuit de courant entre la borne d'entrée (2) et la borne de sortie (3). Le commutateur comprend un dispositif de coupure (6) pour séparer le premier contact de commutation (4) et le second contact de commutation, et au moins une boîte de soufflage (9), dans laquelle est disposé un nombre prédéterminé de plaques de tôle (10), placée dans la zone des contacts de commutation (4). Pour obtenir un haut degré de fiabilité et de sécurité d'utilisation, même après des coupures répétées, il est proposé qu'au moins deux des plaques de tôle (10) soient au moins en partie accolées.

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