IEC IEC61558-2-7 Edition 3.02023-06 REDLINE VERSION INTERNATIONAL STANDARD colour nside GROUP SAFETY PUBLICATION Safety of-power transformers, power supplies reactors, and similar products power supply units and combinations thereof -- Part 2-7: Particular requirements and tests for transformers and power-supplies supplyunitsfortoys IEC 61558-2-7:2023-06 RLV(en) THIS PUBLICATIONIS COPYRIGHT PROTECTED Copyright@2023IEC,Geneva,Switzerland or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, piease contact the address below or your local EC member National Committee for further information. IEC Secretariat Tel.: +41 22 919 02 11 3, rue de Varembe [email protected] CH-1211 Geneva 20 www.iec.ch Switzerland About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. AboutIECpublications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition, a corrigendum or an amendment might have been published. IEC publications search -webstore.iec.ch/advsearchform IEc Products & Services Portal - products.iec.ch The advanced search enables to find IEC publications by a Discover our powerful search engine and read freely all the varietyof criteria(reference number, text, technical publications previews. With a subscription you will always have committee, .). It also gives information on projects, replaced access to up to date content tailored to your needs. and withdrawn publications Electropedia -www.electropedia.org IEc Just Published - webstore.iec.ch/justpublished The world's leading online dictionary on electrotechnology, Stay up to date on all new IEC publications. Just Published details all new publications released. Available online and once and French, with equivalent terms in 19 additional languages. a month by email. Also known as the International Electrotechnical Vocabulary (IEV) online. IEcCustomerServiceCentre-webstore.iec.ch/csc if you wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre:[email protected].