surge arrestors 1.CE Certification & Test Report 2.Class D, Lower residual,large discharge current 3.Surge protector,SPD ... surge arrestors1.CE Certification & Test Report 2.Class D, Lower residual,large discharge current3.Surge protector,SPDsurge arrestors is ... . As the conditions of IEC61643-1:1998-02 standard, Class II surge protective device, it is category C surge protective ...