Panelboard Interior Convertible Main Lug Circuit Breaker Series QHB QOB QOB-VH Amps 100 A Short Circuit Current Rating 100000 RMS Symmetrical Number of Spaces 30 Voltage 120/208 to 240V AC Phase 3 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 Recommended Flush Cover 4HGZ9 for Main Lug 4HHA1 for Main Breaker