Multi-part Document
BS EN 60099 - Surge arresters

This is a multi-part document divided into the following parts:

• Part 1 Surge arresters. Non-linear resistor type gapped surge arrestors for a.c. systems
• Part 4 Surge arresters. Metal-oxide surge arresters without gaps for a.c. systems
• Part 5 Surge arresters. Selection and application recommendations
• Part 8 Surge arresters. Metal-oxide surge arresters with external series gap (EGLA) for overhead transmission and distribution lines of a.c. systems above 1 kV
• Part 9 Surge arresters. Metal-oxide surge arresters without gaps for HVDC converter stations