Sulfur hexafluoride isolating circuit-breaker and use thereof in prefabricated stations, substations, and bays
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United States of America Patent
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-
Oct 18, 1994
Grant Date -
N/A
app pub date -
Nov 17, 1992
filing date -
Nov 20, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sulfur hexafluoride isolating circuit-breaker comprises an SF.sub.6 -filled gastight case for each cell containing fixed contacts and arcing contacts, the poles are fixed to a common grounded metal bar capable of pivoting between two end walls of a drawer suitable for containing the poles, said bar shelters a control shaft for the poles and connected to a control box which is itself connected to said bar, the rotation of the bar providing the section-switch isolating function and rotating or translating said shaft driving the circuit breaking function.
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