| 摘要 |
<p>The present disclosure is to provide a movable contact arm capable of securing a revolution radius to a closed position of the movable contact arm such that adhesive materials on the shaft due to arc scattering materials can be removed with no installation of additional elements, and a movable contact arm according to the present disclosure may comprise an adhesive material removal portion formed on a lateral surface at which a contact of the movable contact arm is located, and configured to minimize a contact area with adhesive materials so as to remove the adhesive materials due to an arc.</p> |
