Device for adjusting the tripping threshold of a multipole circuit breaker
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United States of America Patent
Stats
-
Nov 14, 1995
Grant Date -
N/A
app pub date -
Apr 4, 1994
filing date -
Apr 16, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An adjustment device including a rotary knob for driving a positioning stud cooperating with a ramp of an oeprating component, and a ring equipped with means for selecting the angular position of an end-of-travel stop, designed to limit the rotational movement of the knob to determine a maximum tripping threshold. The ring is covered by a cover plate having an opening for access to the head of the fine tripping threshold adjustment knob. The diameter of the second opening is smaller than the external diameter of the ring to inhibit any modification of the position of the end-of-travel stop after the cover plate has been fitted.
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