Current stage: 30.99 Effective date: Sep 5, 2025
Next stage: TCDV Next stage date: Mar 26, 2027
Originator: IEC
Owner: TC 23
Type: International Standard
ICS: 29.120.99
IN_DEVELOPMENT IEC 61535/AMD1/FRAG2 ED3 30.99 CD approved for registration as DIS Sep 5, 2025