45 Amp Inteli-Power 4600 Series Lower Section Replacement/Upgrade Converter for RV power systems is as close as you can get to a universal replacement. The 4600 Series Converters can be used to replace the lower section converters in Magnatec, Parallax and WFCO power centers. They are made in America and have the same impressive quality, performance, reliability and multi-patented features, including the Charge Wizard built-in. The Inteli-Power 4600 Series Converters are what you need for reliable 12 volt power. Size: 13.375 inch Weight x 8.125 inch Diameter x 5.875 inch Height.