... Key words : Surge Protective Device,SPD,Surge Protection,Surge Protector,Surge Arrester(SPD),Surge Suppressor,Lightning Surge Protector,Surge Protecton Device,Lightning Protection,Distribution Surge Protection,Lightning Arrester and so ... (N-PE) and combinations such as protected model.DGM-based high quality surge protector to use non-linear components and low residual voltage ...