General Purpose Transformers: Type - K Factor Transformer; KVA - 45 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; Temperature Rise - 150 deg C; Type/Construction - Ventilated; Enclosure Rating - NEMA 2; Enclosure HxWxD - 35.90x31.90x26.88" (91.2x481.0x268.3cm); Weight - 575lb (261kg); Additional Information - Floor Mount. K-Factor 4