General Purpose - Multi-Use: Type - General Purpose Transformer; KVA - 500 KVA; Volts, Primary - 480V; Volts, Secondary - 208Y/120V; Phase - 3 Ph; Frequency Rating - 60Hz; Taps - 2+2.5pct x 4-2.5pct; Winding - AL Winding; Type/Construction - Ventilated; Enclosure Rating - NEMA 2; Enclosure HxWxD - 57.80x45.60x41.50 in 146.8x115.8x105.4cm; Weight - 2480lb 1125kg; Additional Information - Wall Mount, Optional voltage supply: 480Y/277V - 4W