Square D™ Transformer, Type 3 Dry Energy Efficient Low Voltage, Series: XFMR, 480 V Delta Primary, 208Y/120 V Secondary, 30 kVA Power, 60 Hz Frequency, 3 ph, 83.27 A Maximum, (2) 2.5% FCAN/(4) 2.5% FCBN Taps, Ceiling Mounting, 220 deg C Insulation, NEMA 2/3R Enclosure, 150 deg C, DOE 2016 98.28% at 35% Efficiency, 627 mm L x 648 mm W x 719 mm H Dimensions