PowerMark Residential load center for main lugs convertible to main breaker. 125 A, 120/240 VAC. Total 1-pole space for 1 inch is 14 and 1/2 inch is 20. Combination/flush surface front type. Top bottom feed type. 6 to 2/0 (copper-aluminium) AWG/KCMIL main wire size. Suitable for use as service entrance equipment when Installed in accordance with the national electrical code. 22kAIC RMS symmetrical, except where noted. 6 to 42 circuit devices UL Listed for bottom mounted lugs by installing complete unit (box, interior and front) upside down.