Current stage: 40.99 Effective date: 6 mar 2026
Next stage: RDTS Next stage date: 10 mar 2026
Originator: IEC
Owner: TC 8/SC 8C
Type: Technical Specification
ICS: 29.240 29.240.30
IN_DEVELOPMENT IEC TS 63537 ED1 40.99 Full report circulated: DIS approved for registration as FDIS 6 mar 2026