Load Center, Number of Spaces 2, Amps 70 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 2, Phase 1, Series QO, Height 9.3 in, Width 4.8 in, Depth 3 1/4 in, For Use With Square D QO Circuit Breakers, Bus Material Tin Plated Aluminum, Short Circuit Current Rating 65kA, Enclosure NEMA Rating 1, Cover Attachment Style Screw On, Cover Closure Method Lift-Off