Home / Standards / GB/T 20840.2-2014 GB/T 20840.2-2014 Active Instrument transformers―Part 2: Additional requirements for current transformers 互感器 第2部分:电流互感器的补充技术要求 Standard Type GBT ICS 29.180 CCS K41 Status 现行 Issue Date 2014-09-03 Implementation 2015-08-03 Responsible Dept 中国电器工业协会 Drafting Unit N/A