Installation switchgear
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United States of America Patent
Stats
-
Jan 10, 2012
Grant Date -
May 27, 2010
app pub date -
Apr 24, 2008
filing date -
Apr 28, 2007
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An installation switching device includes a housing, a main contact point having an arc quenching chamber, an input terminal, an output terminal, an impact-style armature system configured to move the main contact point to an open position, a latching mechanism having a latching point and configured to open an isolating contact point disposed in a secondary current path parallel to a main current path, a main thermostatic bimetallic strip configured to act on the latching point to as to cause the main contact point to remain in the open position, a current limiting resistor disposed in the secondary current path, a selective thermostatic bimetallic strip disposed in the secondary current path and configured to act on the latching mechanism, a handle configured to act on the latching mechanism so as to open and close the main contact point, and a phase connecting rail.
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