GB/T 4772.1-2025
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 4772.1-2025
Dimensions and output power ratings of rotating electrical machines - Part 1: Frame sizes 56 to 400 and flange sizes 55 to 1080 旋转电机尺寸和输出功率等级-第1部分:机座号56~400和凸缘号55~1080
Issued Date:2025/8/1
Implemented Date:2026/2/1
Issued by:
The Standardization Administration of the People's Republic of China