243A923G04 CT by Eaton, Cutler Hammer or Westinghouse
Westinghouse, EMC Current Transformer, IC 0.6 KV, FW IMP TEST 10 KV, STD AMB 55C 60Hz, RF 30C, Ratio 3000:5, Height 10.25", Width 9.5, Window Width 5.75", Cat# 243A923G04