| 摘要 |
The invention relates to a switching device 1 for direct current applications, comprising: at least one first switching chamber 8 for a first current path 5 and a second switching chamber 9 for a second current path 6, at least one switching contact arrangement 13, 16, comprising a first contact 14, 17 and a second contact 15, 18 for each current path 5, 6, wherein the two contacts 13, 17; 15, 18 are held in contact in a switched-on state of the switching device 1 and are held apart out of contact with one another in a switched-off state of the switching device 1, forming an isolation path, and at least one extinguishing device 27, 28 for each current path 5, 6, for extinguishing an arc occurring between contacts 14, 17; 15, 18, wherein at least one arc driver arrangement 32, 33 is provided, which is arranged in one of the two switching chambers 9, and generates a magnetic field at least in the area of the switching contact arrangement 13, 16 for the respective current path 6 and drives an arc into the respective extinguishing device 32, 33. |
