PMAC801 motor controller relay PMAC801 motor controller relay is used to control the contactor in the AC circuit (rated voltage up to 600V). it integrates measurement, protection and control functions. Application:Lower voltage MCCIntegrated process and electrical control Protection:9 Standard protection: Start overtime, overload, overcurrent, phase failure, 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, Vbc, Vca (optional)Power--active power, reactive power (optional)Power factor (Optional)Frequency (Optional)Energy (Optional) Communication: Modbus-RTU, Profibus-DP, 2nd Modbus-RTU Status input(DI): 9 , can be extended to 20 Relay output (DO): 5, can be extended to 9 One 4~20mA analog output Display: LED or LCDPrimary current : 2A, 6.3A, 25A, 100A, 250A, 500A, 820A