Applies to non-linear metal-oxide resistor type surge arresters without spark gaps designed to limit voltage surges on a.c. power circuits. This consolidated version consists of the second edition (2004) and its amendment 1 (2006). Therefore, no need to order amendment in addition to this publication.
IEC 60099-4 Ed. 2.1 b:2006
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Surge arresters – Part 4: Metal-oxide surge arresters without gaps for a.c. systems CONSOLIDATED EDITION
Category: IEC