IEC 62271-100:2008 is applicable to a.c. circuit-breakers designed for indoor or outdoor installation and for operation at frequencies of 50 Hz and 60 Hz on systems having voltages above 1 000 V. It is only applicable to three-pole circuit-breakers for us
DS/EN 62271-100/A1:2013 history
2021DS/EN IEC 62271-100:2021 High-voltage switchgear and controlgear – Part 100: Alternating-current circuit-breakers
0000 DS/EN 62271-100-2009/A2/AC:2018
2013DS/EN 62271-100/A1:2013 High-voltage switchgear and controlgear - Part 100: Alternating-current circuit-breakers
2009DS/EN 62271-100:2009 High-voltage switchgear and controlgear - Part 100: Alternating-current circuit-breakers