Siemens EQ® Main Lug Load Center, 120/240 VAC, 125 A, 4 Poles, 100000 A Interrupt, 16 Circuits, QP Breaker, Plug-In Breaker Mounting, 3-Wire Wiring Configuration, 125 A Bus Rating, 8 Spaces, 4 to 2/0 AWG Wire, Surface Mount, NEMA 3R, Copper Housing, 14-3/4 in H x 12-1/8 in W x 4-1/4 in D