EN 60099-4:2014 PDF

Standard No.: EN 60099-4:2014
Release Date: 2014
Published By: European Committee for Electrotechnical Standardization（CENELEC）
Latest: EN 60099-4:2014

Scope: IEC 60099-4:2014 applies to non-linear metal-oxide resistor type surge arresters without spark gaps designed to limit voltage surges on a.c. power circuits with Us above 1 kV. This third edition cancels and replaces the second edition published in 2009. This edition constitutes a technical revision. The numerous changes between the second and third editions are listed in the Foreward of the document. Keywords: testing of gapless metal-oxide surge arresters for a.c.power systems

EN 60099-4:2014 history

2014 EN 60099-4:2014 Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems
2004 EN 60099-4:2004 Surge arresters Part 4: Metal-oxide surge arresters without gaps for a.c. systems Incorporates Amendment A2: 2009
1993 EN 60099-4:1993 Surge Arresters Part 4: Metal-Oxide Surge Arresters Without Gaps for a.c. Systems