... Phase Motor Protector with overload,Phase loss,rotor-locked,Asymmetry protection 1,18 months warranty 2 ... anti-interference ability. Over-load, phase-loss, locked-rotor and asymmetry protection. Setting current by scale accurately. ... .Technical parameters:Features:Microprocessor basedOverload, phase failure, rotor-locked, Asymmetry protectionCurrent setting By dial switchTripping class selectableLED ...