中高壓 (1)EN 62771-1 High-medium voltage switchgear and controlgear (2)EN 62271-100 Alternating-current circuit-beakers (3)EN 62271-102 Alternating-current disconnectors and earthing switches (4)EN 62271-103 Switches for rated voltages above 1kV up to and including 52kV (5)EN 62271-104 Alternating-current switches for rated voltages higher than 52kV (6)EN 62271-105 Alternating current switch-fuse combinations for rated voltages above 1kV up to and including 52kV (7)EN 62271-106 Alternating-current contactor, contactor-based controllers and motor-starters