摘要 |
<p>The apparatus comprises, in a casing, a magnetic circuit with fixed electromagnet (16) and moving armature, at least one auxiliary control circuit between terminals (13), at least one interior working circuit between two main terminals (5) with interposition of a moving contact (33), elastic restoring means, an override button (36) with three positions (Automatic, Off and Manual) and is characterized in that an insulating former for the electromagnet guides a frame-shaped sliding armature (25) as well as the override button (36) transversely with respect to the direction of the moving armature (25), elastic contact blades being arranged for the auxiliary circuit in order to be actuated by the sliding of the moving armature as well as by pushers actuated by the override button. <IMAGE></p> |