Three Phase Motor Protector with overload,Phase loss,rotor-locked,Asymmetry protection 1,18 months ... , phase failure, rotor-locked, Asymmetry protectionFunctions:Micro processor inside, with high reliability and high anti-interference ability. Over-load, phase ... 100kWZHRA2-80A~400A80A~400A40kW~200kW ZHRA2 Three Phase Digital Motor Protector with overcurrent,Phase loss,rotor-locked,Asymmetry protection