(Safety of power transformers, power supply units, reactors and similar products-Part 1：General requirements and tests)
電力變壓器、供電設備及類似設備的安全性.第1部分:一般要求和試驗 .修改件A1
EN 61558-2-4：2009
(Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1100V -Part 2-4：Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers)
電力變壓器,供電設備及類似設備的安全.第2-4部分:一般用途隔離變壓器的特殊要求
EN 61558-2-13：2009
(Safety of transformers,reactors, power supply units and similar products for supply voltages up to 1100V -Part 2-4：Particular requirements and tests for auto transformersand power supply units incorporating auto transformers)
