| 摘要 |
An electro-mechanical circuit breaker has first and second normally open electrical contacts (14, 16) and a manual reset member (30) which can be mov ed axially, by pushing on a button (34), to set the circuit breaker by latching the contacts closed. In addition to normal tripping upon the occurrence of a predetermined current condition, the circuit breaker can be manually tripped in the absence of the predetermined current condition by rotating the rest member (30) about its own axis.
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