STORED ENERGY CIRCUIT BREAKER

摘要

A circuit breaker has stationary and movable contacts operable between open and closed positions with the movable contact being biased in an open position. The movable contact is mounted to a contact and spring holder which engages one link in a toggle. The first link (90) is connected to a second link (92) which has a drive pin secured to it and the second link is pivotally connected to a toggle lever (94). A cam is secured to a rotatable drive shaft and the cam engages a cam roller which is secured to a follower plate. This rotates about an axis different from the drive shaft axis, has a drive pawl attach to it.