SIMOTICS M compact asynchronous motor 2000 r/min, 10.5 kW, 50M, 26 A, 355 V 2300 r/min, 12 kW, 50 Nm, 26 A, 406 V 2650 r/min, 13 kW, 47 Nm, 24 A, 460 V forced ventilation, direction of air flow DE--> NDE IP55 degree of protection customer-specific motor offer number SMR-26-2011 K10: terminal box NDE left Q21: screw retainer with Loctite Y84: customer text