... Protector(SPD) 1,CE Certification & Test Report 2,Class B,Lower residual,large discharge current 3,GB18802/IEC6164 Key words : Home Surge Protector ... Surge protective deviceProduct 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 ...