Current stage: 20.99 Effective date: May 29, 2026
Next stage: CD Next stage date: Mar 26, 2027
Originator: IEC
Owner: TC 62/SC 62A
Type: Technical Specification
ICS: 11.040.01
IN_DEVELOPMENT IEC TS 80601-4-1 ED1 20.99 WD approved for registration as CD May 29, 2026