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EN IEC 60076-4:2026

Power transformers - Part 4: Lightning impulse and switching impulse tests of power transformers and reactors EN IEC 60076-4:2026

Publication date:   Aug 13, 2026

General information

60.60   Standard published   Sep 11, 2026

CENELEC

CLC/TC 14 Power transformers

European Norm

29.180   Transformers. Reactors

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Scope

IEC 60076-4:2026 applies to lightning and switching impulse tests on power transformers and reactors. Information is given on waveforms, test circuits including test connections, earthing practices, failure detection methods, test procedures, measuring techniques and interpretation of results.

Life cycle

PREVIOUSLY

PUBLISHED
EN 60076-4:2002

NOW

PUBLISHED
EN IEC 60076-4:2026
60.60 Standard published
Sep 11, 2026




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