ICT~ISO Converter 20-60 24 20A Isolated Series 2 DC-DC converters provide fully isolated high conversion efficiency, an on/off control contact to help save energy and prolong battery life, and a 2-year warranty. The Isolated Series 2 provides the benefits of full isolation at non-isolated converter price levels. Isolated Series 2 converters can operate from a negative or positive ground electrical system, and are ideal for applications where complete isolation is necessary between primary and secondary circuits, as well as from the chassis. Whether for a vehicle, communications tower site or off-grid power system, Isolated Series 2 converters come with the added assurance of years of proven ICT reliability and performance.