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IEC TR 63646 ED1

Guideline for retrofilling mineral oil immersed transformers up to 72,5 kV with ester-based insulating liquids

General information

50.60     Jan 9, 2026

IEC

TC 10

Technical Report

29.040.10  

Life cycle

NOW

PROJECT
IEC TR 63646 ED1
50.60 Close of voting. Proof returned by secretariat
Jan 9, 2026