The ABB BSM90A-2150AA is a medium-inertia brushless AC servo motor designed for high-performance motion control systems. As part of the BSM Series, it provides exceptional positioning accuracy, smooth operation, and high dynamic response for demanding industrial automation applications.
The motor is suitable for robotics, packaging machinery, CNC equipment, material handling systems, and automated manufacturing lines where reliability and precision are essential. It features a rugged industrial design and advanced feedback capabilities to ensure optimal performance under varying load conditions.
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ABB BSM90A-2150AA is a high-efficiency brushless AC servo motor developed for precise speed, torque, and position control in industrial automation environments. The motor combines a compact mechanical design with high torque density, making it ideal for applications requiring rapid acceleration, accurate positioning, and continuous operation.
Featuring a 90 mm frame size, resolver/encoder feedback capability, and robust construction, the BSM90A-2150AA supports advanced motion control architectures and integrates seamlessly with ABB and Baldor servo drive systems. Its medium rotor inertia enables stable performance in applications involving dynamic loads while maintaining excellent control accuracy. The motor is commonly used in robotics, packaging machinery, CNC systems, printing equipment, and automated production lines.

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Provides up to approximately 10 Nm continuous stall torque for demanding motion control applications.
Supports accurate positioning and smooth speed regulation through resolver or encoder feedback systems.
Delivers low maintenance requirements, improved efficiency, and long operational life.
Optimized for dynamic applications requiring rapid acceleration and stable load handling.
Designed for operation in harsh manufacturing and automation environments with sealed construction and thermal protection.
Compatible with industrial servo drives and automation platforms supporting advanced motion control architectures.
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| Parameter | Specification |
|---|---|
| Manufacturer | ABB / Baldor |
| Model | BSM90A-2150AA |
| Product Type | Brushless AC Servo Motor |
| Motor Series | BSM Series |
| Frame Size | 90 mm |
| Continuous Stall Torque | Approx. 10 Nm |
| Peak Torque | Up to 30 Nm (application dependent) |
| Rated Speed | Approx. 2000 RPM |
| Maximum Speed | Up to 5700 RPM (variant dependent) |
| Continuous Current | Approx. 3.7–6.7 A |
| Feedback Device | Resolver / Encoder |
| Supply Voltage | Approx. 300–320 VAC/DC Bus |
| Protection Class | IP65 (application dependent) |
| Insulation Class | Class F |
| Cooling Method | Natural Convection |
| Mounting Style | Flange Mount |
| Weight | Approx. 5.5–14.5 kg |
Provides precise positioning and motion control for robotic arms and automated handling systems.
Supports high-accuracy axis control and spindle positioning.
Ensures fast and repeatable motion for labeling, filling, and packaging equipment.
Used in conveyors, indexing systems, and automated transport solutions.
Delivers stable speed regulation and positioning accuracy.
Ideal for assembly lines requiring high-performance servo control.
A: It is a brushless AC servo motor used for precision motion control in robotics, CNC machinery, packaging equipment, and automated manufacturing systems.
A: The motor can be equipped with resolver or encoder feedback devices for accurate position and speed control.
A: The motor provides approximately 10 Nm continuous stall torque, depending on configuration.
A: Yes. The motor is designed for dynamic motion control applications and can operate at speeds up to approximately 5700 RPM depending on drive configuration.
A: Robotics, packaging, CNC machining, material handling, printing, textile manufacturing, and industrial automation sectors.
A: High torque density, accurate positioning, reliable performance, compact design, and seamless integration into advanced motion control systems.
Do you provide global shipping services?
Yes. We have local distribution centers on all continents, which can quickly transport parts to any corner of the world.
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How many parts do you currently have in stock?
We have a vast inventory of thousands of new, refurbished, and outdated automation components, including products from well-known manufacturers such as ABB and Schneider. If you cannot find the required parts, please do not worry. We work closely with a global network of professional suppliers to provide you with tailored quotes even if the part is not listed on our website.
Who can I contact if I encounter any problems?
Our experienced customer service team will handle any issues after you place your order.