Transtector DC (Direct Current) surge protector (also known as surge protection device or SPD as well as transient voltage surge suppressor or TVSS) 1000-1464 is in-stock and will ship same business day as purchased. Their DC surge protector / SPD will provide overvoltage protection for your equipment. DC surge protector device part number 1000-1464 is designed to protect sensitive electric and electronic equipment from transient voltage.