B & R 8MSA4S.R0-31 SERVO MOTOR

B&R 8MSA4S.R0-31 Servo Motor – 8MS Series

The B&R 8MSA4S.R0-31 is a high-precision synchronous servo motor from the renowned 8MS series, designed for dynamic motion control in industrial automation. This three-phase servo motor delivers reliable performance with a small rated torque, making it ideal for applications requiring compact and accurate rotary motion. Engineered for self-cooling operation, the motor efficiently maintains optimal thermal performance during continuous use, reducing the need for additional cooling systems and ensuring long-term reliability in tight installation spaces.

With a rated speed of 3000 RPM and integrated resolver feedback, the 8MSA4S.R0-31 offers precise positioning and smooth motion control, essential for high-speed assembly lines, robotics, packaging machines, and CNC equipment. The size 4 motor frame strikes a balance between compact design and performance, enabling its integration into machines where space is at a premium while still delivering accurate torque and acceleration.

As a discontinued model by B&R, this servo motor is now primarily available through specialized suppliers and aftermarket channels. While factory warranties may not apply, units sourced through authorized distributors like Anadi Automation include a 1-year warranty, ensuring reliability and confidence in critical industrial processes.

The motor’s robust construction and high-quality components make it suitable for demanding industrial environments, offering durability and consistent performance under variable loads. Its resolver interface supports closed-loop control systems, allowing seamless integration with B&R or compatible servo drives to achieve precise control over speed, torque, and position.

Overall, the B&R 8MSA4S.R0-31 combines compact design, synchronous operation, and self-cooling efficiency, making it a dependable solution for automation engineers seeking precision, durability, and flexible installation options in modern industrial machinery.