Rockwell Automation MPL-B520K-MJ74AA Bulletin MPL - Low-Inertia Brushless Servo Motors Product, 460 V, Frame Size 5 = 165 mm (6.50 in.), Stack Length 20 = 50.8 mm (2.0 in.), 4000 RPM, Multi-turn High-resolution Encoder (absolute feedback). Keyed Shaft Extension, SpeedTEC DIN Connector, Right Angle, 180+ Rotatable (Quick Connect), 24V DC Brake, IEC Metric, Free Mounting Holes (Type FF)