1,CE Certification 2,Class B,Lower residual,large discharge current 3,Low Voltage Surge Protector Low Voltage Surge Protector SUN-DB40/4 Key words : Class C Surge Protector,SPD,Surge Arrester,Lightning Surge Protector,Surge Protective Device,Surge Protection Product introduce and application: SUN-type surge protector(hereinafter referred to as SPD)adapted to AC,mainly used for rated voltage not ...