SolaHD Distribution Transformer, Ventilated, 480 VAC Delta Primary, 480Y/277 VAC Secondary, 30 kVA, 60 Hz, 3 Phase, 36.1/208 A Maximum, 7 Taps, Wall Mount, 220 deg C, NEMA 1, 150 deg C, 0.9825 Efficiency, Stainless Steel Housing, 23 in L x 16 in W x 28 in H