Test verification of “Coordination between SPDs” and “Need for additional protection”

Inhalt:
Test verification of the coordination between the three different Class I SPDs (voltage switching, voltage limiting, and combination) and Class II SPDs, and the need for additional protection (installation of Class II SPDs in the power dis-tribution board and/or close to the equipment) according to F.3 of IEC 61643-12:2020.