... warranty 2,Three Phase 3,OEM Three Phase LCD Display Motor Protector with Overload, underload, phase failure, ... rotor-locked, Asymmetry, earthing, PTC protectionApplications:Used for protecting three phase motorFunctions:Overload, underload, phase failure, rotor ... -locked, PTC protection etcTechnical parameter setting by keyLCD display for current, faults etc, measuring accuracy≤ 2%RS485 ...