BS EN 61558-2-6:2009
小于1100V供電電壓用變壓器、電抗器、供電機組及類似設備的安全性.安全隔離變壓器及含有安全隔離變壓器的供電機組用試驗及詳細要求
Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1100 V. Particular requirements and tests for safety isolating transformers and power supply units incorporating safety isolating transformers