HOCHSPANNUNGS-UNTERBRECHER ZUM EIN- UND AUSSPEISEN VON STROEMEN IN DEN LEITERN EINES DOPPELLEITUNGSNETZES

摘要

A high voltage switch having a pair of main contacts 1-3 which can be closed or opened without arcing comprises jaws 4-7 for immobilising the fixed main contact 1 during closing or opening of the main contacts 1-3 and an auxiliary contact 7 for making an electrical connection between the fixed main contact 1 and a terminal connected to the movable main contact 2, 3 before the main contacts 1-3 close or open. The auxiliary contact 7 may comprise one of the clamping jaws. <IMAGE>