IEC 62271-208:2025 pdf download,High-voltage switchgear and controlgear – Part 208: Methods to quantify the steady state, power-frequency electromagnetic fields generated by HV switchgear assemblies and HV/LV prefabricated substations, both for rated voltages above 1 kV and up to and including 52 kV.

IEC 62271-208:2025 provides practical guidance for assessing and documenting the external steady-state power-frequency electromagnetic fields generated by high-voltage (HV) switchgear and controlgear assemblies, as well as prefabricated substations.

It outlines the fundamental requirements for measuring or calculating the electric and magnetic fields. This guidance specifically applies to assemblies covered by IEC 62271-200 and IEC 62271-201, and to prefabricated substations covered by IEC 62271-202.