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The standard, titled "Surge arresters – Part 5: Selection and application recommendations," is the definitive global guide for engineers designing and maintaining high-voltage power systems. As of early 2026, the current active version is IEC 60099-5:2018 (Edition 3.0) .
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The most critical change in this edition is the alignment with the new arrester classification system introduced in IEC 60099-4:2014 New Energy Classification System IEC 60099-5 The standard, titled "Surge arresters –
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