| 摘要 |
<p>The present invention relates to an interlock device of a vacuum circuit breaker, and more specifically, to an interlock device of a vacuum circuit breaker which prevents insertion or extraction in an insertion state of the circuit breaker. According to an embodiment of the present invention, the interlock device of the vacuum circuit breaker includes: a support unit which is installed on a part of a lower part of a vacuum circuit breaker body; an interlock lever which is installed on the support unit to be rotatable and of which one end is connected to a tool unit driving link; and an interlock pin which is combined with the other end of the interlock lever in vertical direction. The present invention can prevent the vacuum circuit breaker from being inserted and extracted according to insertion into an interlock pin hole of a cradle by descending the interlock pin in an insertion state of the vacuum circuit breaker.</p> |
