Home / Standards / GB/T 40820-2021 GB/T 40820-2021 Active Residual direct current detecting device (RDC-DD) to be used for mode 3 charging of electric vehicles 电动汽车模式3充电用直流剩余电流检测电器(RDC-DD) Standard Type GBT ICS 29.120.50 CCS K31 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A