Current stage: 40.99 Effective date: Jun 19, 2026
Next stage: RDTS Next stage date: Jun 30, 2026
Originator: IEC
Owner: TC 22
Type: Technical Specification
ICS: 29.200
PROJECT IEC TS 63490 ED1 40.99 Full report circulated: DIS approved for registration as FDIS Jun 19, 2026