Product Short Description
Product Name
B&R Servo Motor 8MSA3M Series
Product Brief
Compact high-performance AC servo motor manufactured by B&R (Bernecker & Rainer), designed for industrial motion control applications. Adopts integrated precision structure for high dynamic response and stable operation.
Description
Model Series
8MSA Series Medium-power Servo Motor
Technical Specifications
- Rated Power: Standard medium industrial power class for positioning & speed regulation
- Frame Size: 3M standard frame
- Encoder Type: R0 standard resolver/absolute encoder configuration
- Version Code: 42 standard mechanical & electrical variant
- Voltage Class: Industrial three-phase AC operating voltage
- Insulation Class: Industrial grade high-temperature resistant insulation
- Protection Grade: IP54 for standard industrial environment
Functional Features
- Real-time precise speed and torque control
- High dynamic acceleration and deceleration performance
- Built-in position feedback module for closed-loop motion control
- Low vibration and low noise during continuous operation
Performance Parameters
- Rated Speed: Industrial standard rated rotational speed for automation axes
- Torque Output: Continuous rated torque + peak overload torque
- Response Time: Ultra-fast dynamic response for high-speed positioning
- Operating Temperature Range: -10 °C to +40 °C (ambient)
Material Composition
- Motor Housing: High-strength cast aluminum alloy
- Rotor & Stator: High-purity silicon steel lamination + high-temperature resistant copper winding
- Output Shaft: High-hardness alloy steel with anti-wear treatment
- Bearing: Precision sealed rolling bearing
Structural Characteristics
- Integrated compact monolithic structure, space-saving layout
- Standard flange mounting structure
- Central output shaft design for power transmission
- Integrated wiring terminal compartment with dustproof structure
Working Principle
Converts three-phase AC electrical energy into rotational mechanical energy via electromagnetic induction. The built-in feedback device collects real-time position, speed and torque data, and transmits signals to servo driver to form closed-loop control, realizing accurate motion execution.
Advantage Highlights
- High power density with small footprint
- Long service life and low maintenance frequency
- Excellent anti-interference capability for industrial electromagnetic environment
- Compatible with full B&R automation control system
Applicable Industries
Factory automation, packaging machinery, textile machinery, machine tools, material handling, robotic auxiliary axes
Installation Requirements
- Install on rigid metal mounting base to avoid resonance
- Keep ventilation space around motor for heat dissipation
- Align shaft coupling concentrically to eliminate radial load
- Follow standard industrial wiring specification for power and signal cables
Usage Notes
- Strictly operate within rated voltage, speed and torque range
- Avoid long-term operation under extreme overload condition
- Prevent liquid, dust and corrosive gas from entering motor interior
- Regularly check bearing operating status and connection tightness






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