Square D by Schneider Electric QO154M200P  200-Amp 54-Space 54-Circuit Indoor Main Breaker Plug-On Neutral Load Center without Cover Engineered for a quick plug-on neutral connection on every circuit, fewer connections, faster installation and no pigtails frees up gutter space Includes a factory-installed 200 Amp main breaker, cover QOC54UF sold separately Accommodates plug-on secondary surge arrestor (sold separately) Overhead/underground feed simply by rotating the device before installing Single phase, Rated 120/240 VAC and 22,000 AIR short circuit current rating