Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems
2006
Document Number: NL IEC 60099 4 : 2006
Sector: Construction Materials and Building
TC: NL TC EO
ICS: 29.120.50
This part of IEC 60099 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.