Load Center, Number of Spaces 30, Amps 200 A, Voltage 120/240V AC, Circuit Breaker Type QO, Included Enclosure Cover Combination Flush/Surface Cover, Main Circuit Breaker or Main Lug Main Circuit Breaker, Max. No. of Tandem Breakers 10, Phase 1, Height 29.88 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 22 kA, Enclosure NEMA Rating 1, Recommended Flush Cover Included, Recommended Ground Bar Kit Included