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Priority to SE8701424ApriorityCriticalpatent/SE8701424D0/xx
Publication of SE8701424D0publicationCriticalpatent/SE8701424D0/xx
Publication of SE8701424LpublicationCriticalpatent/SE8701424L/sv
H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
H01H33/02—Details
H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the AC cycle
H01H33/593—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the AC cycle for ensuring operation of the switch at a predetermined point of the AC cycle