2238/2239 - DC-DC-Converter - wall montage box - rated power: 120-240 W
2278/2279 - DC-DC Converter linear regulated - rated power: 10-165 W
2218 - DC-DC Converter switching mode - rated power: 60-240 W
2239/2218 - DC-DC Converter switching mode - wall mounted - rated power: 144 / 240 / 720 W