... ,Surge Protector,Surge Protection,SPD Key words : Surge Protector,Surge Protection,SPD,Lightning Surge Protector,Surge Protective DeviceProduct introduce and application: DGM-type surge protector( ... as protected model.DGM-based high quality surge protector to use non-linear components and low ... and reliablely,designed and manufactured in accordance with the standards GB18802.1-2002/IEC61643.1, ...