IEC 61558-2-7:2023 ED3

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-7: Particular requirements and tests for transformers and power supply units for toys

Publication date:   Jun 23, 2023

General information

60.60 Standard published   Jun 23, 2023


TC 96

International Standard

29.180   Transformers. Reactors



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IEC 61558-2-7:2023 is available as IEC 61558-2-7:2023 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61558-2-7:2023 deals with the safety of transformers for toys and power supply units incorporating transformers for toys. Transformers for toys incorporating electronic circuits are also covered by this document. This third edition cancels and replaces the second edition published in 2007. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) adjustment of structure and references in accordance with IEC 61558-1:2017;
b) new symbol for power supply unit with linearly regulated output voltage.
It has the status of a group safety publication in accordance with IEC Guide 104.

Life cycle


IEC 61558-2-7:2007 ED2


IEC 61558-2-7:2023 ED3
60.60 Standard published
Jun 23, 2023