IEC 61558-2-7:2023 EXV 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
2007IEC 61558-2-7:2007 Safety of power transformers, power supplies, reactors and similar products - Part 2-7: Particular requirements and tests for transformers and power supplies for toys
1997IEC 61558-2-7:1997 Safety of power transformers, power supply units and similar - Part 2: Particular requirements for transformers for toys