Panelboard Interior Convertible Main Lug Circuit Breaker Series QHB QOB QOB-VH Amps 225 A Short Circuit Current Rating 100000 RMS Symmetrical Number of Spaces 30 Voltage 120/240V AC Phase 1 Bus Material Copper Recommended Enclosure 1D691 for Main Lug 1D698 for Main Breaker Circuit Breaker Type Plug In Miniature For Use With NQ Circuit Breakers Height 27 in Depth 5 3/4 in Width 10 7/16 in Main Circuit Breaker Adapter Kit 4HHA3 4HHA4 Mfr No NQMB2KI