General Purpose Transformers: Type - General Purpose Transformer; KVA - 1000 KVA; Volts, Primary - 480V; Volts, Secondary - 208Y/120V; Phase - 3 Ph; Frequency Rating - 60Hz; Taps - (1)+5pct x (1)-5pct; Winding - AL Winding; Type/Construction - Ventilated; Enclosure Rating - NEMA 2; Enclosure HxWxD - 62.80x54.00x41.50" (159.5x137.2x105.4cm); Weight - 4300lb (1950kg); Additional Information - Wall Mount, Optional voltage supply: 480Y/277V - 4W