Current stage: 40.99 Effective date: Sep 18, 2026
Next stage: RDTS Next stage date: Nov 13, 2026
Originator: IEC
Owner: TC 112
Type: Technical Specification
ICS: 17.220.99 29.035.01
IN_DEVELOPMENT IEC TS 61251-2 ED1 40.99 Full report circulated: DIS approved for registration as FDIS Sep 18, 2026