| 摘要 |
A locking apparatus is for a circuit breaker including an enclosure having an opening with two sides and two ends, and two apertures on each of the sides proximate the ends. An operating mechanism includes a pivotal operating handle disposed through the opening. The operating handle includes a first position proximate one end of the opening and a second position proximate the other end of the opening. The locking apparatus is disposable proximate one of the ends of the opening. The locking apparatus includes a housing and a spring member interlocked with the housing. The spring member includes a first end and an opposite second end retained by the enclosure at the apertures at one of the ends when the operating handle is in the second position, or retained by the enclosure at the other apertures at the other of the ends when the handle is in the first position.
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