Patent ID: 9552944
Date: 2017-01-24
CPC Classifications: H01H

Claim:
1. A switching device for direct current applications, the device comprising: a first switching chamber for a first current path, the first switching chamber having no arc driver arrangement; and a second switching chamber for a second current path, the second switching chamber having an arc driver arrangement disposed therein, wherein each current path includes a switching contact arrangement including a first contact and a second contact, wherein both contacts are configured to be in contact when the switching device is in switched-on status, wherein both contacts are configured to be held out of contact via an isolation gap when the switching device is in switched-off status, wherein each of the first and second current paths includes an extinguishing device configured to extinguish any arcs created between the first and second contacts of their respective current path, and wherein the arc driver arrangement of the second switching chamber is configured to create, at least in an area of the switching contact arrangement for each of the first and second current paths, a magnetic field that drives an arc into the extinguishing device of a respective current path.