Square D™ Homeline™ Main Breaker Loadcenter, 1-Phase Convertible Neutral Rainproof, 120/240 VAC, 200 A, 1 Pole, 50/60 Hz Frequency, 22 kA Interrupt, 40 Circuits, HOM Breaker, Panel Breaker Mounting, 3-Wire Wiring Configuration, 20 Spaces, 6 to 3 AWG, 6 to 1 AWG, 4 AWG to 250 kcmil Wire, Plug-On Mounting, NEMA 3R Enclosure, 6R Enclosure Box, Steel Housing Material, 14.75 in W x 4.52 in D x 29.86 in H Dimensions