China 'GB/T 7251.4-2017
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 7251.4-2017
Low-voltage switchgear and controlgear assemblies—Part 4: Particular requirements for assemblies for construction sites (ACS) 低压成套开关设备和控制设备 第4部分:对建筑工地用成套设备(ACS)的特殊要求
Issued Date:2017-11-01
Implemented Date:2018-05-01
Issued by:
The Standardization Administration of the People's Republic of China