Contact system
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United States of America Patent
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Jan 10, 2017
Grant Date -
Sep 3, 2015
app pub date -
May 13, 2015
filing date -
Nov 13, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
An electrical switching device including at least a nominal contact arrangement, the nominal contact arrangement at least a first nominal contact with a plurality of nominal contact fingers forming a finger cage concentric with respect to a longitudinal axis (z), and at least a mating second nominal contact. An arcing contact arrangement including a first arcing contact and a mating second arcing contact. An arcing contact finger including at its free end a first impact area in which a first contacting to the second arcing contact occurs when closing, the electrical switching device. The first impact area is formed by a first planar surface arranged at an inclination angle (α) larger than zero degrees with respect to the longitudinal axis (z).
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