'Floor Operable Disconnect, Amps 60, Voltage 277/480/600VAC, Number of Poles 3, Fusible, 3 Phase, 4 Wire with Ground, Enclosure Rating NEMA 1, Fuse Class H, K, R, Breaker Type PQ, For Use With I-Line and I-Line II Busway, Height 8-7/8 In., Width 15 In., Depth 4-2/3 In., Standards UL Listed, CSA Certified'