Acme Electric® Panel-Tran® Zone Power Center Transformer, Air Colled/Dry, 480 VAC Primary, 120/240 VAC Secondary, 25 kVA, 60 Hz, 1 ph, Wire Lead, Wall Mount, Class H/180 deg C, NEMA 3R, 115 deg C, 13.5 in L x 17.88 in W x 41.88 in H