Current stage: 40.00 Effective date: 19 qer 2026
Next stage: CCDV Next stage date: 7 gush 2026
Originator: IEC
Owner: TC 59/SC 59L
Type: International Standard
ICS: 97.040.50
IN_DEVELOPMENT IEC 60704-2-21 ED1 40.00 DIS registered 19 qer 2026