Load Center Number of Spaces 2 Amps 30 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 0 Phase 1 Series QO Height 6.73 in Width 3.81 in Depth 3 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 Clip Screw On Cover Closure Method Lift-Off