Multipolar power contactor
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United States of America Patent
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Oct 24, 2017
Grant Date -
Mar 2, 2017
app pub date -
Jan 22, 2015
filing date -
Mar 31, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is multipolar power contactor with an electromagnetic drive having an armature, and at least two movable contacts arranged next to one another and connected to the armature. The armature is movable from an open position, where the movable contacts and the fixed contacts are not in contact with one another, into a closed position where the movable contacts come into contact with the fixed contacts. Each movable contact and a corresponding fixed contact, is assigned an arc quenching device, and a plasma barrier having a first and a second barrier is provided between the two movable contacts, whereby one of the two barriers is connected to the armature and the other of the two barriers to a stationary part of the power contactor. The first and the second barrier overlap with one another at least partially in each position of the armature between the open and the closed positions.
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