IEC/EN 61558-1 is Safety of power transformers, power supplies, reactors and similar products — Part 1: General requirements and tests;
IEC/EN 61558-2-16 specifies safety of switch-mode power supplies and their transformers;Their old editions expire this June. Implementation is as follows:
IEC 61558-2-16:2009, AMD1:2013 used in conjunction with IEC 61558-1:2005, AMD1:2009IEC 61558-2-16:2009, AMD1:2013 used in conjunction with IEC 61558-1:2017IEC 61558-2-16:2021 used in conjunction with IEC 61558-1:2017
