Acme Electric® Panel-Tran® Zone Power Center Transformer, Encapsulated Snap-In Breakers, 480D VAC Primary, 208Y/120 VAC Secondary, 30 kVA, 60 Hz, 3 ph, 90 to 100 A Maximum, 2 Taps, Screw Terminal, Wall Mount, 180 deg C, NEMA 3R, 115 deg C, Steel Housing, 13-3/4 in L x 33 in W x 43-3/4 in H