Current stage: 30.99 Effective date: Nov 28, 2025
Next stage: TCDV Next stage date: Jan 16, 2026
Originator: IEC
Owner: TC 46/SC 46C
Type: International Standard
ICS: 33.120.20
IN_DEVELOPMENT IEC 62783-3 ED1 30.99 CD approved for registration as DIS Nov 28, 2025