prSSH EN IEC 61869-20:2025

Instrument transformers - Part 20: Safety requirements of instrument transformers for high voltage applications

General information

Current stage: 40.20 Effective date: Feb 9, 2026

Next stage: 40.60 Next stage date: May 11, 2026

Originator: DPS

Owner: DPS/KT 4

Type: European Norm

ICS: 17.220.20

Scope

IEC 61869-20:2025 This part of IEC 61869 specifies the requirements for the safe design and operation, and tests for the safety of instrument transformers whose highest voltage for equipment is higher than 1 kV AC or 1,5 kV DC.

Low power instrument transformers are not covered by this document.

Life cycle

NOW

IN_DEVELOPMENT
prSSH EN IEC 61869-20:2025
40.20 DIS ballot initiated: 12 weeks
Feb 9, 2026

Related project

Adopted from EN IEC 61869-20:2025 IDENTICAL

Adopted from IEC 61869-20:2025 ED1 IDENTICAL

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