... ,Asymmetry protection 1,18 months warranty 2,three Phase Applications:Overload, phase failure, rotor-locked, Asymmetry protectionFunctions:Micro ... setting By dial switchTripping class selectableLED indication for three phase current, measuring error≤ 2%Can be ... -80A~400A80A~400A40kW~200kW ZHRA2 Three Phase Digital Motor Protector with overcurrent,Phase loss,rotor-locked,Asymmetry protection