Cutler-Hammer Main Lug Load Center, Type BR 1-Phase, 120/240 VAC, 200 A, 40 Poles, 25 kA Interrupt, 40 Circuits, BWH Breaker, 3-Wire Wiring Configuration, 30 Spaces, 1 AWG to 300 kcmil Al/Cu Wire, Flush Mount, NEMA 1, NEMA D1 Enclosure Box, Aluminum Housing, 3.88 in H x 14.31 in W x 29.13 in D