S.R. HD 60364-4-442:2012现行
Low-voltage electrical installations - Part 4-442: Protection for safety - Protection of low-voltage installations against temporary overvoltages due to earth faults in the high-voltage system and due to faults in the low voltage system (IEC 60364-4-44:200
出版：National Standards Authority of Ireland
专家解读视频
The rules of this Part of IEC 60364 are intended to provide requirements for the safety of electrical installations in the event of voltage disturbances and electromagnetic disturbances generated for different specified reasons.
IEC 60364-4-44 : 2.1 - Identical
HD 60364-4-442 : 2012 - Identical
IEC 60364-4-44 : 2.1 - Identical
