Three Phase Transformer Input Voltage - Transformer 208V AC Delta Output Voltage - Transformer 277V AC 480V AC Wye VA Rating - Transformer 300 kVA Mounting - Transformer Floor Outdoor Rated - Transformer Yes Voltage Function - Transformer Step Up Winding Material - Transformer Aluminum Hz - Electrical 60 Hz Temp Rise 150 Degrees C Enclosure Rating NEMA 3R