| 摘要 |
<p>Disclosed is an air circuit breaker having a simple detachable structure for an over current relay, comprising a main body, a main cover covering a front surface of the main body, a sub cover installed at one side of the main cover and assembled to the main cover so as to be disassembled therefrom by being pushed up, and an over current relay installed at a rear side of the sub cover so as to be disassembled therefrom and that serves as a controller of the air circuit breaker.</p> |
