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OVE EN 62052-21:2017-11

Действует
Electricity metering equipment (AC) - General requirements, tests and test conditions -- Part 21: Tariff and load control equipment (IEC 62052-21:2004 + A1:2016) (english version)
ICS
91.140.50 Electricity. Including electric energy meters in buildings, emergency electrical supplies, etc. / Системы электроснабжения. Включая аварийное электроснабжение и т.д.