Current stage: 50.00 Effective date: Jun 25, 2026
Next stage: CDTS Next stage date: Aug 20, 2026
Originator: IEC
Owner: TC 22
Type: Technical Specification
ICS: 29.200
IN_DEVELOPMENT IEC TS 63490 ED1 50.00 Final text received or FDIS registered for formal approval Jun 25, 2026