Westinghouse, EMPL Potential Transformer, Ratio 5:1A, 1.2 kV Ins Class, Primary Volts 600/1040Y, 60Hz, Acc Cl IL-44-060-2 Live 7 FW Imp Test 30kV,Thermal VA 30C Amb. 750 55C Amb. 500, Cat# 254A481G30254A481G30 Transformer by Eaton, Cutler Hammer or Westinghouse