... current unbalance, short circuit, earth fault, underload, external fault. 8 optional 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, ... )5, can be extended to 9One 4~20mA analog output Display:LED or LCDOrder information:For more information ...