... ,50Hz Current Transformer 4,Class:0.5,1.0,3. Brand NameSaipModel NumberLZMJ-0.5UsageCurrentPhaseSingleCoil StructureToroidalCoil NumberAutotransformerColorAnyDetailed Product Description ... 1,720V Power Voltage Current Transformer LZMJ-0.5 2,Single Phase Transformer 3,50Hz Current ... Transformer 4,Class:0.5,1.0,3.0 720V Power Voltage Current Transformer LZMJ-0.5 0.5KV Class Current ...