Circuit breaker with adjustable magnetic trip unit
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United States of America Patent
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Apr 17, 2001
Grant Date -
N/A
app pub date -
Feb 1, 2000
filing date -
Feb 1, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
An adjustable magnetic trip unit for a circuit breaker (1) is equipped with a magnet yoke (16), an armature element (18) that works therewith to actuate a trip shaft (14), and an adjusting bar (23) that can be tilted about the axis (15) of the trip shaft (14) for adjusting the distance (L) between the magnet yoke (16) and the armature element (18). This magnetic trip unit can be used in a circuit breaker (1) having a plurality of breaker cassettes (30) arranged adjacent to one another wherein the adjusting bar (23) extends parallel to the axis (15) of the tripping shaft (14) and on which are arranged a plurality of adjusting arms (24) corresponding to the number of breaker cassettes (30).
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