Current stage: 40.99 Effective date: 2 tet 2026
Next stage: RDTS Next stage date: 4 dhj 2026
Originator: IEC
Owner: TC 45/SC 45A
Type: Technical Specification
ICS: 27.120.20
IN_DEVELOPMENT IEC TS 63574 ED1 40.99 Full report circulated: DIS approved for registration as FDIS 2 tet 2026