... 3,50Hz Current Transformer 4,Class:0.5,1.0,3. Brand NameSaipModel NumberLZMJ-0.5UsageCurrentPhaseSingleCoil StructureToroidalCoil NumberAutotransformerColorAnyDetailed Product ... 4,Class:0.5,1.0,3.0 720V Power Voltage Current Transformer LZMJ-0.5 0.5KV Class Current Transformer (LMZJ1-0. ... ) AC circuit 2) Rated voltage: Below 0.5kV 3) Frequency: 50Hz 4) Tests, controls, displays and records electrical ...