Arterra WF-8930/50NPB RV Converter Charger AC/DC Distribution Center. Power distribution box used as an AC distribution center. 120/240 Volt AC and 30/50 Amp input current. Over Current, Over Temperature, Over Voltage, Reverse Polarity Protection. Color is black and material is plastic. Dimensions are 13-3/4 Inch Width x 9-1/2 Inch Height x 4 Inch Length. UL tested compatible with Class B and includes status indicator light and door with window assembly.