Best Seller | SQUARE D PQ4606G Busway Plug In Unit, 60 A, 277/480/600V AC, PQ, H, K, R, 3 Busway Plug In Unit, Amps 60 A, Voltage 277/480/600V AC, Number of Poles 4, 3 Phase, 4 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,... more Find other Electrical Supplies... | | $1,774.99 go to store |