SWITCHING DEVICE WHICH IS SUITABLE FOR DC OPERATION
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United States of America Patent
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Issued Date -
Dec 11, 2014
app pub date -
Dec 12, 2012
filing date -
Dec 22, 2011
priority date (Note) -
Abandoned
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Abstract
A switching device suitable for DC operation includes at least one pair of contacts having a first contact and a second contact, wherein at least one of the two contacts is mobile and the two contacts are in contact with one another in a switched-on state of the switching device and are not in contact with one another in a switched-off state of the switching device, further having an arc driver arrangement for generating a magnetic field and an arc guiding arrangement for guiding an arc, which is produced between the contacts, to a quenching device. The problem of quenching arcs independently of the current direction in just one individual quenching apparatus in each case is solved with a substantially homogeneous magnetic field which is generated by permanent magnets.
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