Surge Protective Device Varistor 25mm,32mm,40mm,53mm 130~680Vac oxide varistor zinc oxide varistor Approved to UL 1449 Surge Protective Device VaristorFeaturesEpoxy resin coatingHigh ... C L D(NFC---Common Code)(25---Nominal Disc Diameter.25mm,32mm,40mm,53mm)(385--Max Allowable AC Voltage. 130Vac,385Vac ...