Earth-leakage protection relay AQ-T216

over-currentthree-phasefor electric motors

AQ-T216 is a transformer protection IED with sophisticated and easy to use differential protection function. The AQ-T216 transformer protection IED provides for both low and high side overcurrent, earth-fault, negative sequence and two independent restricted earth-fault instances. The AQ-T216 can be applied for generator and motor differential protection as well. The AQ-T216 communicates using various protocols including IEC 61850 substation communication standard. Highlights Predifined or custom connection group selection 2nd and 5th harmonic blcocking Automatic verification of connection group and nominal value settings Through fault and overloading statistics for preventive maintenance