... /G Product introduce and application:DGM-type surge protector(hereinafter referred to as SPD)adapted to AC, ... phase to neutral(L-N),neutral to ground(N-PE) and combinations such as protected model.DGM-based high quality surge protector ... ,SPD,Surge Protection,Voltage Surge Protector,Surge Protector,Surge Arrester,Surge Suppressor,Lightning Surge Protector,Surge Protecton Device,Lightning Protection ...