Current stage: 50.00 Effective date: Jun 19, 2026
Next stage: CFDIS Next stage date: Sep 11, 2026
Originator: IEC
Owner: TC 65/SC 65A
Type: International Standard
ICS: 25.040.40
IN_DEVELOPMENT IEC 61508-2-1 ED1 50.00 Final text received or FDIS registered for formal approval Jun 19, 2026