Current stage: 50.00 Effective date: Dec 3, 2025
Next stage: CDTS Next stage date: Jan 28, 2026
Originator: IEC
Owner: TC 45/SC 45A
Type: Technical Specification
ICS: 27.120.20
PROJECT IEC TS 63574 ED1 50.00 Final text received or FDIS registered for formal approval Dec 3, 2025