Current stage: 50.00 Effective date: May 28, 2026
Next stage: CDTS Next stage date: Jul 23, 2026
Originator: IEC
Owner: TC 82
Type: Technical Specification
ICS: 27.160
IN_DEVELOPMENT IEC TS 62446-4 ED1 50.00 Final text received or FDIS registered for formal approval May 28, 2026