Current stage: 40.99 Effective date: 13 mar 2026
Next stage: RDTS Next stage date: 31 dhj 2026
Originator: IEC
Owner: TC 23/SC 23H
Type: Technical Specification
ICS: 29.140.01 29.140.99
IN_DEVELOPMENT IEC TS 63641 ED1 40.99 Full report circulated: DIS approved for registration as FDIS 13 mar 2026