Home / Standards / GB 30253-2024 GB 30253-2024 Active Minimum allowable values of energy efficiency and energy efficiency grades for permanent magnet synchronous motors 永磁同步电动机能效限定值及能效等级 Standard Type GB ICS 27.010 CCS F01 Status 现行 Issue Date 2024-09-29 Implementation 2025-10-01 Responsible Dept 国家标准委 Drafting Unit N/A