IEC 61869-20:2025

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

IEC TR 61869-100:2017/COR1:2023

Corrigendum 1 - Instrument transformers - Part 100: Guidance for application of current transformers in power system protection

IEC 61869-1:2023

Instrument transformers - Part 1: General requirements

IEC 61869-99:2022/COR1:2023

Corrigendum 1 - Instrument transformers - Part 99: Glossary

IEC 61869-99:2022

Instrument transformers - Part 99: Glossary

IEC 61869-2:2012/ISH1:2022

Interpretation Sheet 1 - Instrument transformers - Part 2: Additional requirements for current transformers

IEC 61869-11:2017/ISH1:2021

Interpretation sheet 1 - Instrument transformers - Part 11: Additional requirements for low-power passive voltage transformers

IEC 61869-13:2021

Instrument transformers - Part 13: Stand-alone merging unit (SAMU)

IEC 61869-14:2018

Instrument transformers - Part 14: Additional requirements for current transformers for DC applications

IEC 61869-15:2018

Instrument transformers - Part 15: Additional requirements for voltage transformers for DC applications

IEC 61869-10:2017

Instrument transformers - Part 10: Additional requirements for low-power passive current transformers

IEC 61869-11:2017

Instrument transformers - Part 11: Additional requirements for low power passive voltage transformers

IEC TR 61869-100:2017

Instrument transformers - Part 100: Guidance for application of current transformers in power system protection

IEC 61869-9:2016

Instrument transformers - Part 9: Digital interface for instrument transformers

IEC 61869-5:2011/COR1:2015

Corrigendum 1 - Instrument transformers - Part 5: Additional requirements for capacitor voltage transformers

IEC 61869-4:2013/COR1:2014

Corrigendum 1 - Instrument transformers - Part 4: Additional requirements for combined transformers

IEC TR 61869-102:2014

Instrument transformers - Part 102: Ferroresonance oscillations in substations with inductive voltage transformers

IEC 61869-4:2013

Instrument transformers - Part 4: Additional requirements for combined transformers

IEC 61869-2:2012

Instrument transformers - Part 2: Additional requirements for current transformers

IEC TR 61869-103:2012

Instrument transformers - The use of instrument transformers for power quality measurement