Multi-pole handle lock for circuit breakers
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United States of America Patent
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-
Apr 9, 2013
Grant Date -
Aug 27, 2009
app pub date -
Feb 18, 2009
filing date -
Feb 21, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A multi-pole handle lock having a base plate and movable locking plate assembly that is adapted to mount on to at least two circuit breakers. A handle restrictor plate is mounted on the base plate for translational movement while maintaining the circuit breaker handles in the same position as each other. The handle restrictor plate allows each handle to independently move to the tripped position, while allowing the restricted circuit breakers to operate as a logical group. The low profile of the plates, allows visual inspection of the handle ends to determine their tie status.
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