Current stage: 40.99 Effective date: Apr 24, 2026
Next stage: RDTS Next stage date: May 1, 2026
Originator: IEC
Owner: TC 87
Type: Technical Specification
ICS: 11.040.60
IN_DEVELOPMENT IEC TS 63588 ED1 40.99 Full report circulated: DIS approved for registration as FDIS Apr 24, 2026