592A575G10 CT by Eaton, Cutler Hammer or Westinghouse
Westinghouse, CTM-5 Current Transformer, IC 5 KV, FW IMP 60 KV, STD AMB 55C, RF 30C=1.5, 25-60Hz, Ratio 100:5, Height 7.5", Width 9", With Bars 15", Cat# 592A575G10