Protección contra el rayo: Pararrayos con dispositivo de cebado.
Protection against lighting: Surge arresters using early streamer emission air terminals
Protection contre la foudre: Parafoudres à dispositif d'amorÇage.
Buy on AENOR
29.240.10 / Substations. Surge arresters
CTN 207/SC 81 - Lightning protection
It is cancelled by: UNE 21186:2011
Corrects: UNE 21186:2011
