Load Center Number of Spaces 6 Amps 100 A Voltage 120/240V AC Circuit Breaker Type QO Included Enclosure Cover Surface Cover Main Circuit Breaker or Main Lug Main Lug Max No of Tandem Breakers 6 Phase 1 Series QO Height 12.56 in Width 8.91 in Depth 3 3/4 in For Use With Square D QO Circuit Breakers Bus Material Tin Plated Aluminum Short Circuit Current Rating 10kA Enclosure NEMA Rating 1 Cover Attachment Style Screw On Cover Closure Method Lift-Off