Menu

0

IEC 62054-21 ED2

Electricity metering (a.c.) - Tariff and load control - Part 21: Particular requirements for time switches

General information

20.99   WD approved for registration as CD   Aug 20, 2025

CD    Apr 30, 2026

IEC

TC 13

International Standard

91.140.50   Electricity supply systems

Life cycle

PREVIOUSLY

PUBLISHED
IEC 62054-21:2004 ED1

PUBLISHED
IEC 62054-21:2004/AMD1:2017 ED1

ABANDON
IEC 62054-21/AMD1/COR1 ED1

PUBLISHED
IEC 62054-21:2004/AMD1:2017/COR1:2018 ED1

NOW

IN_DEVELOPMENT
IEC 62054-21 ED2
20.99 WD approved for registration as CD
Aug 20, 2025