Auxiliary contact unit for magnetic contactor, includes cover connected to lower hooks supporting upper structure, and protrusion for supporting lower surface of cover

摘要

An auxiliary contact unit comprises a cover disposed inside a lower frame of the auxiliary contact unit, and connected to lower hooks supporting an upper structure; and a protrusion formed at a lower end surface of the cover or a bottom surface of the lower frame for supporting a lower surface of the cover. The protrusion is made of elastic material.