Main lug loadcenters outdoor - nema 3r - top feed surface mount 6 inches width x 12-1/4 inches height x 4-1/4 inches depth amp rating=125 Code-gauge steel enclosure. Single phase, 3 wire, solid neutral, 4 spaces/8 circuits 1-pole, 2 QP breakers 2-pole, 120/240 volt AC. 10,000 AIR. With closure plates, HS-hubs sold separately. One piece plated aluminum bus bar. 100 percent circuit breaker tw istouts. Positive load side circuit breaker hook rail.