... ,rotor-locked,Asymmetry protection 1,18 months warranty 2,three Phase Applications:Overload, phase failure, rotor-locked, Asymmetry ... loss, locked-rotor and asymmetry protection. Setting current by scale accurately. Inverse time over-load protection, with 4 tripping ... protectionCurrent setting By dial switchTripping class selectableLED indication for three phase current, measuring error≤ 2%Can be ...