Current stage: 30.99 Effective date: 30 jan 2026
Next stage: TCDV Next stage date: 27 mar 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 30 jan 2026