main motor for SINAMICS S120 3 operating voltage 380 V 3AC Pn=7.5 kW Nn=2000 rpm Mn=36 Nm shaft height 100 mm IC22DQ shaft with feather key. half-key balancingforced ventilation. direction of air flow D IP55 compatible with SI converters vibration severity S shaft extension and flange precision power and signal port