Used 5000kVA Transformer. Manufactured by Square D Company. 3 phase, 60 Hz. 65C rise. 6.1% impedence at 5000 kVA. Class OA/FA. HV Volts: 13800 Delta. LV Volts: 4160Y/2400. Al winding material. Core and coils 9500 lbs. Total 19900 lbs. Serial # 900591-A1. Built 1/1991.