Square D™ Energy Efficient Transformer, Dry Type, 240/480 VAC Primary, 120/240 VAC Secondary, 15 kVA, 60 Hz, 1 ph, 6 Taps, Floor/Ceiling/Panel Mount, 220 deg C, NEMA 2, 150 deg C, 97.7 % Efficiency, Aluminum Housing, 20 in W x 16 in D x 27 in H