Electricity metering equipment (ac) - General requirements, tests and test conditions, Part 21: Tariff and load control equipment (IEC 62052-21:2016 (ED.1.1) MOD)
电能计量设备(ac).一般要求 试验和试验条件 第21部分:电价和负荷控制设备(IEC 62052-21-2016(ED.1.1)MOD)
Adopts IEC 62052-21:2016 with national modifications to provide type testing requirements for indoor tariff and load control electricity metering equipment.