Rockwell Automation MPL-B420P-MK74AA Bulletin MPL - Low-Inertia Brushless Servo Motors Product, 460 V, Frame Size 4 = 115 mm (4.53 in.), Stack Length 20 = 50.8 mm (2.0 in.), 5000 RPM, Multi-turn High-resolution Encoder (absolute feedback). Keyless Shaft Extension, SpeedTEC DIN Connector, Right Angle, 180+ Rotatable (Quick Connect), 24V DC Brake, IEC Metric, Free Mounting Holes (Type FF)