SIMOTICS M reluctance motor efficiency (IE4) 1500 r/min, 45 kW, 285 Nm, 107 A, 344 V 1750 r/min, 52 kW, 285 Nm, 107 A, 401 V 2000 r/min, 60 kW, 285 Nm, 107 A, 448 V 2200 r/min, 66 kW, 285 Nm, 107 A, 498 V forced ventilation, direction of air flow DE --> NDE, degree of protection IP55