
Insulation co-ordination - Part 1: Definitions, principles and rules
出版:Netherlands Standards

专家解读视频
NEN-EN-IEC 60071-1 applies to three-phase AC systems having a highest voltage for equipment above 1 kV.
EN IEC 60071-1:2019 - Identical
IEC 60071-1 : 2019 - Identical
IEC 60071-1 : 2019 - Identical
EN IEC 60071-1:2019 - Identical