EN 50423-3:2005

Overhead electrical lines exceeding AC 1 kV up to and including AC 45 kV - Part 3: Set of National Normative Aspects EN 50423-3:2005

Publication date:   Aug 10, 2006

Scope

Notes 1, 2 and 3 are normative in Austria:
NOTE 2 The construction of lines with covered conductors (KUF) and reduced internal or external
clearance is permitted in Austria.
NOTE 4 This NNA applies to overhead lines with nominal voltage exceeding AC 1kV up to and including
AC 45 kV and a maximum operating voltage of 52 kV according to ÖVE EN 60071-1. Hereinafter the latter
will be described as high voltage overhead lines, group I.