Type Conventional thermal current Rated operational current of AC-3 Power of controllable motor at AC-3 Setting current of thermal component 380V 660V 380V 660V QCX5-9 9 9 5 4 4 0.2-0.28 0.28-0.42 0.4-0.6 0.55-0.85 0.7-1.1?..9-13 QCX5-12 12 12 7 5.5 5.5 QCX5-22 22 22 9 11 7.5 9-13 12-18 16-22 QCX5-30 30 30 12 15 11 16-22 18-26 24-34 QCX5-40 40 40 17 18.5 15 24-34 30-40