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.
PUBLISHED
SRPS EN 60076-4:2008
PUBLISHED
SRPS EN IEC 60076-4:2026
60.60
Standard published
Oct 30, 2026