SIMOTICS M reluctance motor efficiency (IE4) 1500 r/min, 56 kW, 355 Nm, 132 A, 345 V 1750 r/min, 65 kW, 355 Nm, 132 A, 402 V 2000 r/min, 74 kW, 355 Nm, 132 A, 448 V 2200 r/min, 82 kW, 355 Nm, 132 A, 498 V forced ventilation, direction of air flow NDE --> DE, degree of protection IP55