Designed to withstand the rigors of operating in Class A motor homes, this 50 amp line generator automatic transfer switch offers robust construction. Its built to last and to outperform the competition. Features: Designed as a replacement for the Magnatek ATS100, Parallax ATS5070 and Parallax ATS501 transfer switch Capable of switching 60 amps 100 amp neutral carrying capacity Self-checking system with LED indicators for system status & faults | Parallax Group Inc Parallax Power Supply ATS503 50 Amp Generator Switch