OVE EN 62054-21:2017-11

Действует

Electricity metering (AC) - Tariff and load control -- Part 21: Particular requirements for time switches (IEC 62054-21:2004 + A1:2017) (english version)

Описание Изменения Ссылки Версии

Ссылочные документы

IEC 62052-21:2004 ed1.0

Действует

Electricity metering equipment (a.c.) - General requirements, tests and test conditions - Part 21: Tariff and load control equipment — 87 стр.

IEC 62052-31:2015 ed1.0

Заменен

Electricity metering equipment (AC) - General requirements, tests and test conditions - Part 31: Product safety requirements and tests — 393 стр.