PMAC801 motor protection relay, motor protection device for 660Vac motor, RS485/ Modbus-RTU,or Profibus-DP, use ... protection, EEx e overload protection, temperature (PTC/NTC) protection, analog input protection. 3. Provides measurements of three phases current, three phase ... provides 9 DIs for start, stop and reset etc. signals input. If more DIs are needed, an extended digital module can ...