Intelli-Power 4600 Series Lower Section Replacement/Upgrade Converters for RV power systems are as close as you can get to a "universal" replacement. The 4600 Series Converters can be used to replace the lower section converters in Magnetek, Parallax and WFCO power centers. They are Made In America and have the same impressive quality, performance, reliability and multi-patented features, including the incredible Charge Wizard built-in. The Intelli-Power 4600 Series Converters are what you need for reliable 12 volt power! Size: 13.375(W) x 8.125(D) x 5.875(H) 45 AMP CONVERTER.