| 摘要 |
<p num="1"><br/><br/>A circuit breaker and method include main contacts configured to connect in an <br/>on position and be separated in<br/>an off position. A handle is coupled to one of the main contacts to adjust the <br/>contacts between the on position, the off position, a<br/>trip position and an over on position. Secondary contacts are configured to <br/>provide power when connected using the handle in the<br/>over on position, even when the main contacts are separated. A stop mechanism <br/>configured to maintain separation between the main<br/>contacts to enable testing using the secondary contacts to power a test <br/>circuit such that if a test passes, the stop mechanism is released<br/>to permit resetting of the main contacts.<br/>
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