Specification Binding : Electronics Brand : MEAN WELL Label : MEAN WELL Manufacturer : MEAN WELL PackageDimensions_Weight : 0.661386786000 PackageDimensions : L:3.9370078700 X W:3.5433070830 X H:1.5748031480 PartNumber : MDR-40-12 ProductGroup : PC Accessory ProductTypeName : SYSTEM_POWER_DEVICE Publisher : MEAN WELL SmallImage_Height : 59 SmallImage_URL : https://m.media-amazon.com/images/I/4100T71D9XL._SL75_.jpg SmallImage_Width : 75 Studio : MEAN WELL Title : MEAN WELL MDR-40-12 DIN Rail Power Supply 40W 12V 3.33A Constant Current Low No-Load Loss Weight : 0.7 WeightUnit : pounds