2021DS/EN IEC 61439-2:2021 Low-voltage switchgear and controlgear assemblies – Part 2: Power switchgear and controlgear assemblies
2011DS/EN 61439-2:2011 Low-voltage switchgear and controlgear assemblies - Part 2: Power switchgear and controlgear assemblies
DS/EN IEC 61439-2:2021 Low-voltage switchgear and controlgear assemblies – Part 2: Power switchgear and controlgear assemblies was changed to DS/EN 61439-2:2011 Low-voltage switchgear and controlgear assemblies - Part 2: Power switchgear and controlgear assemblies.