Patent ID: 6040750
Filing Date: 2000-03-21
Classification: H01H

Abstract:
An electromagnetic switching device, comprising:movable contact parts held in a movable contact carrier, the movable contact parts forming a break contact and a make contact with fixed contact parts; anda magnet system including an armature and a yoke, the yoke being elastically mounted in a closing direction of the magnet system, and, in an OFF position, the yoke being at a spacing of a magnet path from the armature, the yoke being elastically suspended so as to permit a movement of the yoke as far as closure of the magnet system after the magnet system has been switched on in a case of a welded break contact, the yoke being mounted via a volute spring inserted between the yoke and the coil form, a maximum resilience of the volute spring in the OFF position being at least as large as the spacing of the magnet path reduced by a resilience of the break contact.