Electrical medium or high voltage switching device
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United States of America Patent
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Apr 18, 2017
Grant Date -
May 15, 2014
app pub date -
Nov 13, 2013
filing date -
Nov 13, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
An electrical switching device for medium or high voltage circuits having at least a nominal contact arrangement, wherein the nominal contact arrangement includes at least a first nominal contact including a plurality of contact fingers forming a finger cage concentric with respect to a longitudinal axis, wherein the contact fingers are separated from one another by empty slots extending up to a free end of the contact fingers. The empty slots include first and second empty slots, wherein the second empty slots are shorter than the first empty slots, and wherein the contact fingers are grouped in groups, with the contact fingers of each group being separated by second empty slots and the contact fingers of adjacent groups being separated by first empty slots.
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