Link disconnect box for an electrical distribution network protector
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United States of America Patent
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Apr 14, 2015
Grant Date -
Oct 31, 2013
app pub date -
Jan 25, 2013
filing date -
Apr 26, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A link disconnect box enables easy field retrofitting of network protectors. The link disconnect box has an outer casing that defines a cavity with a front face opening and top and bottom bus bar openings. Top and bottom terminals seal the top and bottom bus bar openings. The bottom terminal is configured to connect to an existing terminal of the network protector. A removable face plate seals shut the front face opening. Top and bottom bus bars electrically connect to the top and bottom terminals, extending through the respective top and bottom bus bar openings towards each other, with an air gap between them within the cavity. An electrical link, which can be bolted closed, connects and disconnects the top and bottom bus bars by electrically bridging the air gap.
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