Home / Standards / GB 21518-2008 GB 21518-2008 Abolished Minimum allowable values of energy efficiency and energy efficiency grades for AC contactors 交流接触器能效限定值及能效等级 Standard Type GB ICS 01.110 CCS F01 Status 废止 Issue Date 2008-04-01 Implementation 2008-11-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委