Current stage: 30.99 Effective date: Jan 30, 2026
Next stage: TCDV Next stage date: Mar 27, 2026
Originator: IEC
Owner: TC 91
Type: International Standard
ICS: 31.180
IN_DEVELOPMENT IEC 61189-3-303 ED1 30.99 CD approved for registration as DIS Jan 30, 2026