DIN EN 61558-2-7:2008
电力变压器、电源、电抗器及类似设备的安全.第2-7部分:玩具用变压器和供电设备的特殊要求(修改件IEC 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 (IEC 61558-2-7:2007, modified); German version EN 61558-2-7:2007