... Applications:Overload, phase failure, rotor-locked, Asymmetry protectionFunctions:Micro processor inside, with high reliability and high anti-interference ... :Used for protecting three phase motorModelSetting current rangeMatched motor(AC 380V)NoteZHRA2-1A~5A1A~5A0.5kW~2. ... ~400A80A~400A40kW~200kW ZHRA2 Three Phase Digital Motor Protector with overcurrent,Phase loss,rotor-locked,Asymmetry protection ...