Home / Standards / GB/T 32520-2024 GB/T 32520-2024 Active Metal-oxide surge arresters with external series gap (EGLA) for overhead transmission and distribution lines of a.c. systems above 1 kV 交流1 kV以上架空输电和配电线路用带外串联间隙金属氧化物避雷器(EGLA) Standard Type GBT ICS 29.080.99 CCS K49 Status 现行 Issue Date 2024-03-15 Implementation 2024-10-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A