Gen Tran; Power Inlet Box; Raintight; Wattage: Up To 7500 WTT Maximum Generator; Amperage Rating: 30 AMP; Voltage Rating: 120/240 V; Material: Standard Aluminum; Nema Rating: L14-30; Size: 5 IN Heigth X 6 IN Width X 5 IN Depth; Compatible Transfer Switches: 30216V, 30310V, 3026 501210, R5020, 3028, 301660, 301060, R3020; Compatible Power Cords: RJB10410, RJB10425, RJB10450, RJB10475