Current stage: 50.00 Effective date: Sep 21, 2026
Next stage: RFDIS Next stage date: Oct 12, 2026
Originator: IEC
Owner: TC 65/SC 65A
Type: International Standard
ICS: 25.040.40
IN_DEVELOPMENT IEC 63187-1 ED1 50.00 Final text received or FDIS registered for formal approval Sep 21, 2026