Current stage: 20.99 Effective date: Jul 21, 2026
Originator: IEC
Owner: TC 57
Type: Technical Specification
ICS: 33.200
PUBLISHED IEC TS 61850-1-2:2020 ED1
PUBLISHED IEC TS 61850-1-2:2020/AMD1:2022 ED1
PROJECT IEC TS 61850-1-2 ED2 20.99 WD approved for registration as CD Jul 21, 2026