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IEC 60076-21 ED3

Power transformers - Part 21: Standard requirements, terminology, and test code for step-voltage regulators

General information

30.20   CD study/ballot initiated   Sep 18, 2026

PCC    Dec 11, 2026

IEC

TC 14

International Standard

29.180   Transformers. Reactors

Life cycle

PREVIOUSLY

PUBLISHED
IEC 60076-21:2018 ED2

NOW

IN_DEVELOPMENT
IEC 60076-21 ED3
30.20 CD study/ballot initiated
Sep 18, 2026