... Months warranty 2,Three Phase 3,OEM Three Phase LCD Display Motor Protector with Overload, underload, phase failure, rotor-locked, Asymmetry ... %RS485 communication port, network built1 C/O contact and 1 auxiliary NO contact, can be used forStar- ... technical dataUnderload protection: (20%~90% adjustable) *setting currentAmbient temperature: -5° C~+40° CProtection degree: IP20Anti-interference ...