Square D™ Energy Efficient Transformer, Dry Type, 240/480 VAC Primary, 120/240 VAC Secondary, 25 kVA, 60 Hz, 1 ph, 6 Taps, Ceiling/Floor Mount, 220 deg C, NEMA 2, 150 deg C, 98 % Efficiency, Aluminum/Steel Housing, 20 in W x 16 in D x 37 in H