surge arrester,lightning arrester,Surge Protection Device(SPD) surge arrester lightning arrester,Surge Protection Device(SPD) surge arrester applied for single-phase,three-phase surge protection under various power supply system through ... ,D class protection,it adapts to LPZ1-LPZ2 LPZ3 lightning protection area.Rated voltage Un (V~)220/380Continuous voltage ... level< 1.4/1.5< 1.8/1.9 lightning arrester