Covers the selection and application of gapless metal-oxide surge arresters for use in medium-voltage distribution systems to protect electrical equipment connected to these systems. The choice of the arrester and its application depend upon the basic i
NRS 039-1-2008 history
2008NRS 039-1-2008 Surge arresters for use in distribution systems Part 1: Guide for the application of gapless metal-oxide surge arresters
1999NRS 039-1-1999 Surge arresters for use in distribution systems Part 1: Guide for the application of gapless metal-oxide surge arresters