QO Load Centers offer premium features by allowing QO breakers, ground fault interrupters, arc fault interrupters, and surge arresters to be installed inside. QO Load Centers are designed for residential and industrial use to protect electrical systems, equipment, and people. They are available in both traditional and plug on neutral configurations. There is 3 types of mains available. There is main circuit breaker, main lugs, and generator panel. Single and three phase options are available. The bus bars are tin plated copper and are shielded. Indoor and outdoors enclosures are an option. QO Load Centers enable the use of a full complement of accessories. This 1 phase load center has 8 spaces and 16 circuits. This system provides 100A fixed main lugs in a NEMA 1 enclosure. It also includes a door surface cover, and is UL rated. Specifications Main Marketing Trade Name QO Product Type Loadcentre Cover Type Surface cover with door Installation Orientation Vertical Complementary Tightening Torque Main lugs 50 lb.in, 8 AWG, aluminum/copper Main lugs 50 lb.in, 6 AWG...1/0 AWG, aluminum/copper Load Center Type Fixed Mains (lugs) Rated Current 100 A Number of Spaces 8 Max Short Circuit Current Rating 10 kA Maximum Number of Single Pole Circuits 16 Maximum Number of Tandem Breakers 8 Number of Phases 1 phase 3 wires Voltage Rating 120/240 V AC Wire Size 8 AWG...1 AWG aluminum/copper Ground Bar Grounding bar (ordered separately) Electrical Connection Lugs Busbar Material Tin plated aluminum: busbar Enclosure Material Welded sheet steel Surface Finish Baked enamel grey Box Number 4 Height 12.6 in (319 mm) Width 8.9 in (226 mm) Depth 3.7 in (95 mm) Net weight 8.309 lb(US) (3.769 kg) Environment Enclosure Rating NEMA 1 indoor enclosure Ambient Air Temperature for Operation 23 °F (-5 °C) 104 °F (40 °C) Product Certifications UL listed Packing Units Unit Type of Package 1 PCE Number of Units in Package 1 1 Package 1 Height 4.600 in (11.684 cm) Package 1 Width 10.800 in (27.432 cm) Package 1 Length 14.400 in (36.576 cm) Package 1 Weight 8.309 lb(US) (3.769 kg) Unit Type of Package 2 PAL Number of Units in Package 2 78 Package 2 Height 33.500 in (85.090 cm) Package 2 Width 40.000 in (101.600 cm) Package 2 Length 48.000 in (121.920 cm) Package 2 Weight 654.000 lb(US) (296.649 kg)