... protection: Leakage current, Temperature (PTC/NTC), Overvoltage, undervoltage, under power, phase sequence, EExe overload (tE), Analog input.Measurement:Current--Ia, Ib, Ic ... , In, I_unblVoltage--Vab, Vbc, Vca (optional)Power--active power, reactive power (optional)Power factor ...