IEC 62054-21:2004/AMD1:2017
Amendment 1 - Electricity metering (AC) - Tariff and load control - Part 21: Particular requirements for time switches
Circulation Date:
2017-01
Edition:
1.0
Language: EN-FR - bilingual english/french
Seitenzahl: 5 VDE Artno.: 224251
The contents of the corrigendum of March 2018 have been included in this copy.