IEC 62271-109:2008 is applicable to a.c. series capacitor by-pass switches designed for outdoor installation and for operation at frequencies of 50 Hz and 60 Hz on systems having voltages above 52 kV. It is only applicable to by-pass switches for use in t
DS/EN 62271-109/A1:2013 history
2013DS/EN 62271-109/A1:2013 High-voltage switchgear and controlgear - Part 109: Alternating-current series capacitor by-pass switches
2009DS/EN 62271-109:2009 High-voltage switchgear and controlgear - Part 109: Alternating-current series capacitor by-pass switches