KS IEC62271-200:2021

High-voltage switchgear and controlgear Part 200: AC metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV

Applicable to prefabricated metal-enclosed switchgear and controlgear assemblies designed for: alternating current; rated voltages above 1 kV and up to and including 52 kV; service frequencies up to and including 60 Hz; indoor and outdoor in