UNE-EN 62146-1:2014/A1:2016 Grading capacitors for high-voltage alternating current circuit-breakers - Part 1: General (Endorsed by AENOR in December of 2016.)
2016UNE-EN 62146-1:2014/A1:2016 Grading capacitors for high-voltage alternating current circuit-breakers - Part 1: General (Endorsed by AENOR in December of 2016.)
2014UNE-EN 62146-1:2014 Grading capacitors for high-voltage alternating current circuit-breakers - Part 1: General (Endorsed by AENOR in April of 2014.)