... ,rotor-locked,Asymmetry protection 1,18 months warranty 2,three Phase Applications:Overload, phase failure, rotor-locked, Asymmetry protectionFunctions:Micro processor inside, with ... switchTripping class selectableLED indication for three phase current, measuring error≤ 2%Can be started without loadApplication:Used for protecting three phase motorModelSetting current rangeMatched motor ...