The JTB Power Solution will manage one circuit out of an existing main panel and direct it to the 20-amp GFCI circuit at all RV parks. This will enable RV owners to add an additional 20 amps to run a second air conditioner or appliance without tripping breakers. It is a 20-amp, 110-volt, single phase, 50/60 Hz with dual power inputs that has 20-amp breakers for protection. Power Management System; To Run 50 Amp RV In 30 Amp RV Park That Has Additional 20 Amp Circuit/ GFCI; 20 Amp/ Two 110 Volt AC Power Inputs; Dual Transfer Switch; Dual 20 Amp Breakers; With Installation Kit