BUCKET ASSEMBLIES FOR MOTOR CONTROL CENTERS (MCC) WITH DISCONNECT ASSEMBLIES AND RELATED MCC CABINETS AND METHODS

摘要

Circuit breakers with a rotary handle attached to an inwardly oriented shaft that connects to a gear assembly that translates rotational input to linear input also include a trip assist spring in communication with the rack gear so that, in operation, the trip assist spring applies a force to the operator slider and forces the handle to a consistent trip position.

主权项

1. A bucket assembly, comprising:
an external rotary handle having a defined ON position and OFF position associated with conduction and non-conduction; a shaft attached to the rotary handle and extending into the bucket assembly; an operator mechanism cooperably engaging the shaft, the operator mechanism comprising a gear assembly with a rack gear that linearly moves an operator slider; a circuit breaker in the bucket assembly having a lever in communication with the operator slider; and a trip assist spring that cooperates with the rack gear to move the external rotary handle to a defined consistent orientation when the circuit breaker trips.