Current stage: 50.00 Effective date: Mar 13, 2026
Next stage: RFDIS Next stage date: Apr 3, 2026
Originator: IEC
Owner: TC 125
Type: International Standard
ICS: 43.120
IN_DEVELOPMENT IEC 63281-2-2 ED1 50.00 Final text received or FDIS registered for formal approval Mar 13, 2026