IMPROVED CIRCUIT BREAKER APPARATUS
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United States of America Patent
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Issued Date -
Nov 5, 2015
app pub date -
Dec 11, 2013
filing date -
Dec 12, 2012
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A switchgear comprising a set of arcing contacts, a set of disconnection contacts, and a set of permanent contacts, a first branch including the set of arcing contacts and the set of disconnection contacts connected in series, a second branch including the set of permanent contacts, the second branch being connected in parallel with the first branch, including a first controller and a second controller, the first controller making it possible to cause the set of arcing contacts and of the set of permanent contacts, the second controller making it possible to cause the set of disconnection contacts change over between its two positions, said disconnection contacts being able to change over towards its open position only when the set of arcing contacts and the set of permanent contacts are in their open positions, the two controllers being separate, the second being a button connected to an electric motor.
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