Panelboard, 400a 72 cct, four-pole, three-phase, main lug only, aluminum, Specifications tem Name Panelboard Interior Amperage Rating 400 A Phase 3 Breaker Type Main Lug Only Number of Circuits 72 Dimensions 16 in L x 6-1/2 in W x 64 in H Number of Poles 4 Material Aluminum Application For Electrical Assemblies, Panels and EOEMs UPC 621037082106