Load center interior, QO, main breaker, 300A, Al bus, 42 pole spaces, 1 phase, 3 wire. NQ enclosure

QO load centers offer premium features by allowing QO breakers, ground arc fault interrupters arc fault interrupters and surge arresters to be installed inside QO load centers enable the use of a full complement of accessories. Systems can be single or three phase and have indoor and outdoor versions. This load center interior has a high amperage fixed main with factory installed main lugs that are rated for 400 A. This interior has 42 spaces and has a 65 kA breaking capacity. The main lugs will accept 1/0 AWG to 750 kcmil copper or aluminum wire. This interior is UL component recognized and cUL certified. It is encased in a NQ enclosure.