current transformer(BK), Transformer-current transformer, voltage transformer Rated Current:50~60, R V:660v current transformer(BK),Transformer-current transformer,voltage transformer Rated Current:50-60HZ, Rated ... with AC 50-60HZ, input voltage doesn't exceed 500V, output rated voltage doesn't exceed 220V.current transformer(JBK5),Transformer-current transformer,voltage transformer Rated Current ...