Current stage: 20.99 Effective date: 17 korr 2026
Next stage: CD Next stage date: 31 tet 2027
Originator: IEC
Owner: TC 62/SC 62B
Type: Technical Specification
ICS: 11.040.55
IN_DEVELOPMENT IEC TS 63757 ED1 20.99 WD approved for registration as CD 17 korr 2026