Yaskawa Electric Corporation SGM-04U3B4L Servo Motor

The Yaskawa SGM-04U3B4L is a brushless AC servo motor in the Sigma Series that provides precise speed, torque, and position control for industrial automation applications. With a rated power of 400 W at 200 V, a rated current of 2.6 A, and a top speed of 3,000 RPM, it delivers about 1.27 Nm of torque for demanding servo-driven tasks. The motor is flange-mounted and self-cooled, designed for reliable operation in CNC machines, robotics, packaging equipment, material handling systems, and automated manufacturing lines where synchronized multi-axis motion and consistent servo performance are essential. Encoder options are incremental or absolute depending on the model, enabling compatibility with a range of motion controllers and feedback schemes. Common replacements include Yaskawa SGM-04A312, SGM-04UWB4L, and SGMAH-04AAA41.