General Purpose - Multi-Use: Type - General Purpose Transformer; KVA - 150 KVA; Volts, Primary - 480V; Volts, Secondary - 480Y/277V; Phase - 3 Ph; Frequency Rating - 60Hz; Winding - AL Winding; Temperature Rise - 150 deg C; Type/Construction - Ventilated; Enclosure Rating - NEMA 2; Enclosure HxWxD - 41.52x32.90x29.87 in 105.5x83.6x75.9cm; Weight - 1155lb 524kg; Additional Information - Floor Mount, four wire style. Old part number TP-3500150-3S