Solar Power Operated Inverter has knock-outs on bottom, sides and back that ensures good installation flexibility. The Inverter has easy install t-bracket that minimizes mounting process to approximately 15 minutes. The Inverter has natural convection cooling feature that minimizes use of the assist fan. The Inverter is designed with Connection box that avoid channel raceways by directly connecting multiple inverters. The Inverter reduced side clearance, no fan cooling outlets on the sides and has field selectable voltages such as 208v, 220v or 240v grid settings. The Solar Power Operated Inverter has the feature of four fused dc inputs that doubles as a code compliant string combiner.