Generac 5448 GenReady Basic Load Center NEMA1 (Discontinued by Manufacturer) 40 circuit capacity with the use of tandem breakers allows for enough breaker space to power most homes Dimensions are the same as a standard 42-space main load center, which ensures no additional labor cost or building constraints Utilizes standard Siemens Load Center components, breakers are widely available Compatible with generators rated up to 125/Amps/30kW