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Dokumentumazonosító 145163
Hivatkozási szám MSZ EN 61558-2-7:2008
Cím Teljesítménytranszformátorok, tápegységek és hasonló termékek biztonsága. 2-7. rész: Játéktranszformátorok és -tápegységek követelményei és vizsgálatai (IEC 61558-2-7:2007, módosítva)
Angol cím Safety of power transformers, power supplies, reactors and similar products. Part 2-7: Particular requirements and tests for transformers and power supplies for toys (IEC 61558-2-7:2007, modified)
Alkalmazási terület Replacement: This part of IEC 61558 deals with safety aspects of transformers for toys and power supplies incorporating transformers for toys such as electrical, thermal and mechanical safety. This Part 2-7 is applicable to transformers for toys and power supplies incorporating both transformers for toys and electronic circuits. This Part 2-7 is not applicable to external circuits and their components intended to be connected to the input terminals, output terminals or socket-outlets of the transformers and power supplies. This Part 2-7 applies to stationary and portable, single-phase, air-cooled (natural or forced), transformers for toys and power supplies incorporating transformers for toys, having a rated supply voltage not exceeding 250 V a.c., a rated supply and internal operating frequency not exceeding 500 Hz, a rated output not exceeding 200 VA and a rated output current not exceeding 10 A. This Part 2-7 is applicable to independent transformers and transformers for specific use. This Part 2-7 is applicable to dry-type transformers for toys. The windings may be encapsulated or non-encapsulated. The no-load output voltage does not exceed 33 V a.c. for transformers for toys and power supplies incorporating transformers for toys, or 46 V ripple-free d.c. for power supplies incorporating transformers for toys, and the rated output voltage does not exceed 24 V a.c. for transformers and power supplies, or 33 V ripple-free d.c. for power supplies. In general, this Part 2-7 does not take into consideration children playing with the transformers for toys and power supplies incorporating transformers for toys. NOTE 1 Attention is drawn to the following: – for transformers for toys and power supplies incorporating transformers for toys intended to be used in vehicles, on board ships, and aircraft, additional requirements (from other applicable standards, national rules, etc.) may be necessary; – measures to protect the enclosure and the components inside the enclosure against external influences such as fungus, vermin, termites, solar-radiation, and icing should also be considered; – the different conditions for transportation, storage, and operation of the transformers for toys and power supplies incorporating transformers for toys should also be considered; – des exigences supplémentaires en conformité avec les autres normes appropriées et regles nationales peuvent etre appliquées aux transformateurs pour jouets et alimentations incorporant des transformateurs pour jouets destinés a etre utilisés dans un environnement particulier, tel qu'un environnement tropical. NOTE 2 Une augmentation de la limite supérieure des fréquences peut s'avérer nécessaire pour des besoins de développement technique futur des transformateurs et des alimentations. Dans ce cas, cette Partie 2-7 peut etre utilisée comme guide.
Az érvényesség kezdete 2008-04-01
Forrás idt IEC 61558-2-7:2007; idt EN 61558-2-7:2007
Helyettesített szabvány(ok) MSZ EN 61558-2-7:2000
MSZ EN 61558-2-7:1997/A11:2002
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