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Supreme Accuracy Current Transformers





                Ⅵ. Isolation Voltage Measurement


                                             Ratio & Phase shift Error at 1mA  110V  DCR (Ω)
                  Model No  Current Ratio                                                        Application
                                             Ratio Error (%)   Phase Shift (min.)   ±6%
                   TC159V    11,000 : 150    -0.03 ± 0.07%        63 ± 5'         840Ω, 0.8Ω      Voltage
                   TC162V     500 : 170      -0.03 ± 0.07%         4 ± 4'         13Ω/2.2Ω      Monitoring
                   TZ111V     1250 : 1250    -0.03 ± 0.07%        27 ± 5'           100Ω         0~600V
                   TZ112V    2500 :  2500    -0.03 ± 0.07%        15 ± 5'           245Ω         0~1000V


                Drawing



















                            TC159V                         TC162V                     TZ111V & TZ112V



                Dimension
                                                                                                   (unit : mm)

                  Model     A(min)    B(max)     C(max)     D(max)  E(±0.3)  F(±0.3) G(±0.5) H(±0.3)  I(±0.3)
                   No
                  TC159V     17.5      64.5        24        55.7     20      38      5      21.5    10.7
                  TC162V     22.1      42.2       24.2        45      25     41.9     6       25
                  TZ111V     6.9        25         11        24.5    15.1    19.1     3       9.2
                  TZ112V     12.9      39.3        14         38     25.2    32.8     3      12.1



                Measuring Circuit (Based on TZ111V)



                                        Z1                                   Z2



















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