... Three Phase Motor Protector: 1,18 Months warranty 2,Three Phase 3,OEM Three Phase LCD Display Motor Protector with Overload, underload, phase ... earthing, PTC protectionApplications:Used for protecting three phase motorFunctions:Overload, underload, phase failure, rotor-locked, PTC protection ... starting or auto-induction voltage reduced starting.Star-delta starting or auto-induction voltage reduced ...