40.20 Jan 23, 2026
PRVC Apr 17, 2026
IEC
TC 82
International Standard
PROJECT
IEC 63409-1 ED1
40.20
DIS ballot initiated: 12 weeks
Jan 23, 2026
Photovoltaic power generating systems connection with the grid - Testing of power conversion equipment - Part 1: General requirements
40.60 Close of voting
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