NF C64-471-107*NF EN IEC 62271-107:2019 High-voltage switchgear and controlgear - Part 107 : alternating current fused circuit-switchers for rated voltages above 1 kV up to and including 52 kV
2019NF C64-471-107*NF EN IEC 62271-107:2019 High-voltage switchgear and controlgear - Part 107 : alternating current fused circuit-switchers for rated voltages above 1 kV up to and including 52 kV