Arrangement for controlling the switching of a power circuit breaker
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United States of America Patent
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-
Aug 26, 1997
Grant Date -
N/A
app pub date -
May 24, 1996
filing date -
Sep 30, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A power circuit breaker (1) is provided with an arrangement that controls its switching-on depending on operating parameters (A . . . E, M1, M2, S). These parameters may be, for example, the position of switching contacts, the state of excitation of an undervoltage release and the switching position of another power circuit breaker. The arrangement has a coupling shaft (32) that may be rotated by a tripping half-wave by means of a steering lever (34) and by certain parameters by means of a sensor lever (36). A coupling member (20) that may be swivelled by the coupling shaft (32) allows a ratchet device (5, 6) of the energy store (7) of the power circuit breaker (1) to be released only when all conditions required for switching-on are met.
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