Current stage: 50.99 FDIS or proof approved for publication Sep 11, 2026
Originator: IEC
Owner: TC 23
Type: International Standard
ICS: 29.120.01 Electrical accessories in general | 29.120.99 Other electrical accessories
PUBLISHED IEC 63044-3:2017 ED1
PUBLISHED IEC 63044-3:2017/AMD1:2021 ED1
IN_DEVELOPMENT IEC 63044-3 ED2 50.99 FDIS or proof approved for publication Sep 11, 2026