KS IEC62271-103:2021

High-voltage switchgear and controlgear Part 103: Alternating current switches for rated voltages above 1 kV up to and including 52 kV

Applicable to three-phase, alternating current switches and switchdisconnectors for their switching function, having making and breaking current ratings, for indoor and outdoor installations, for rated voltages above 1 kV up to and including 52 kV a