... 2,Three Phase 3,OEM Three Phase LCD Display Motor Protector with Overload, underload, phase failure, rotor-locked, Asymmetry, earthing, PTC ... -induction voltage reduced starting.RS485 communication port, network built4mA~20mA analog output selectableMain technical dataUnderload protection: (20%~90% adjustable) *setting ... 100kWZHRA3-80A~800A80A~800A40kW~400kW LCD Display Three Phase Motor Protector