Bulletin MPL Low Inertia Brushless Servo Motors Product, 460 V, Frame Size 4 = 115 mm (4.53 in.), Stack Length 20 = 50.8 mm (2.0in.), 5000 RPM, Multi turn High resolution Encoder (absolute feedback). Keyed Shaft Extension, SpeedTEC DIN Connector, Right Angle, 180 Degrees Rotatable (Quick Connect), No Brake, IEC Metric, Free Mounting Holes (Type FF)