Home / Standards / GB/T 17215.221-2021 GB/T 17215.221-2021 Active Electricity metering equipment(a.c.)—General requirements, tests and test conditions—Part 21:Tariff and load control equipment 电测量设备(交流) 通用要求、试验和试验条件 第21部分:费率和负荷控制设备 Standard Type GBT ICS 17.220.20 CCS N22 Status 现行 Issue Date 2021-03-09 Implementation 2021-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A