Additional equipment, The summation current transformer can be used for the earth fault protection or earth fault alarm function a) for summation current measurement with the IZMX16, or b) for direct measurement of the earth fault current at the earthed star point., can be used for IZMX-DTV-G, +IZMX-DTV-G, +IZMX-DTV-GZ, +IZMX-DTU-A, IZMX-DTU-A, +IZMX-DTU-AZ, +IZMX-DTU-G, IZMX-DTU-G, +IZMX-DTU-AM, IZMX-DTU-AM, +IZMX-DTU-AMZ, IZMX-DTU-GMZ, IZMX-DTU-GM, +IZMX-DTU-GM, +IZMX-DTU-GZ, IZMX-DTP-G, IZMX-DTP-G, +IZMX-DTP-GZ, +IZMX-DTP-GM, +IZMX-DTP-GMZ, IZMX-DTP
