Load Center Number of Spaces 20 Amps 125 A Voltage 208Y/120/240V AC Circuit Breaker Type QO Included Enclosure Cover Order Separately Main Circuit Breaker or Main Lug Main Lug Max No of Tandem Breakers 0 Phase 3 Series QO Height 20.91 in Width 14.25 in Depth 3 3/4 in For Use With Square D QO Circuit Breakers Bus Material Tin Plated Copper Short Circuit Current Rating 65kA Enclosure NEMA Rating 1 Recommended Flush Cover 1D433 Recommended Ground Bar Kit Included