sed Delta E4-TL-US solar inverter with integrated DC disconnect, aluminum enclosure, rear cooling fins, and mounting hardware shown in the photos.Specifications from the manufacturer label:Model: E4-TL-USPart number: GPI40210082APSerial number: OC12039000130Maximum continuous output: 3,840W at 240V / 3,648W at 208VAC output: 208/240V, 60Hz, maximum 16AMaximum PV input voltage: 480V DCPV operating voltage range: 50-480V DCFull-power MPPT range: 270-480V DCEnclosure: Type 4Integrated PV AFCI: Type 1Previously installed, with visible scratches, scuffs, surface marks, and installation labels. Testing status has not been verified.Listing includes one inverter and only the components pictured. Battery, solar panels, and additional installation accessories are not included. Please review all photos for condition and confirm compatibility with your system before purchasing.