VPL Low Inertia Motors, 480V AC, 115mm Bolt Circle Frame Size, 2 (Two) Magnet Stacks, F Winding, 4500-6600 RPM Rated Speed, 18 bit Single-turn and 12 bit Multi-turn Digital High Resolution Encoder, Keyless Shaft, Single SpeedTec Din Connector, 24V DC Holding Brake, , Standard