... IEC6164/G Product introduce and application:DGM-type surge protector(hereinafter referred to as SPD)adapted to AC,mainly ... such as protected model.DGM-based high quality surge protector to use non-linear components and low residual voltage ... ,SPD,Surge Protection,Voltage Surge Protector,Surge Protector,Surge Arrester,Surge Suppressor,Lightning Surge Protector,Surge Protecton Device,Lightning Protection, ...