Current stage: 50.00 Effective date: 18 dhj 2025
Next stage: RFDIS Next stage date: 8 jan 2026
Originator: IEC
Owner: TC 124
Type: International Standard
ICS: 31.020
IN_DEVELOPMENT IEC 63203-403-1 ED1 50.00 Final text received or FDIS registered for formal approval 18 dhj 2025