Current stage: 20.99 Effective date: 10 jan 2025
Next stage: CD Next stage date: 30 pri 2025
Originator: IEC
Owner: TC 15
Type: International Standard
ICS: 17.220.99 29.035.01
PUBLISHED IEC 61033:1991 ED1
PUBLISHED IEC 61033:1991/AMD1:2006 ED1
IN_DEVELOPMENT IEC 61033 ED2 20.99 WD approved for registration as CD 10 jan 2025