591A286G02 CT by Eaton, Cutler Hammer or Westinghouse
Westinghouse, CTR Current Transformer, IC 0.6 KV, FW IMP. Test 10 KV. 60Hz, STD. AMB. 55C,RF 30C=3.0, Ratio 400:5 Amps, Height W/Cap 6.75", Height W/Out Cap 5.75", Width 5.25", Window Width 2.75", Cat# 591A286G02