New KEMA Labs LV White Paper: IEC 61439-1 :2020 WHAT’S NEW?
IEC 61439-1 :2020 What’s New?, the new KEMA Labs LV White Paper focuses on IEC 61439-1:2020. It lays down the general definitions and service conditions, construction requirements, technical characteristics and verification requirements for low-voltage switchgear and control-gear assemblies.
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