... 2,three Phase Applications:Overload, phase failure, rotor-locked, Asymmetry protectionFunctions:Micro processor inside, with ... 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 ...