Current stage: 40.99 Effective date: Nov 7, 2025
Next stage: DECFDIS Next stage date: Nov 28, 2025
Originator: IEC
Owner: TC 91
Type: International Standard
ICS: 31.180
IN_DEVELOPMENT IEC 61249-3-6 ED1 40.99 Full report circulated: DIS approved for registration as FDIS Nov 7, 2025