Busway Plug In Unit Amps 30 A Voltage 600V AC Number of Poles 3 3 Phase 3 Wire with Ground Enclosure Rating NEMA 1 For Use With Square D I-Line and I-Line II Busway Fusible Yes Fuse Class H K R Breaker Type PQ Height 8 7/8 in Width 15 in Depth 4 21/32 in Standards CSA Certified UL Listed