QOU Accessories for QO™ and QOU Miniature Circuit Breakers, NC68SS106 is a package of 6 QO and Homeline load center cover screws S106 Load Center SCREWS. 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. Indoor enclosures are designed to rotate 180 degrees to accommodate top or bottom service entrance feed which saves expensive service cable. QO load centers feature plated copper bus, providing superior performance and durability. This single phase QO load center replacement interior is rated at 100 A for main lug at 240 VAC. This QO load center interior has a 25 kA breaking capacity. This interior provides 12 spaces. This is NEMA 1 enclosure. The load center enclosure is CSA listed.