Mao Hui is a supplier of B&R 8MSA2L.R0-42. It is a specialized synchronous servo motor launched by B&R for small load and high-frequency dynamic motion scenarios. We have automation technicians with many years of on-site debugging experience. The engineering team is not only familiar with the parameters on the motor nameplate, but also proficient in parameter matching, communication card installation and encoder phase calibration. They can provide pre-sale selection and replacement analysis, and assist in troubleshooting fault codes during installation after sale
| Product Model | 8MSA2L.R0-42 |
| Product Series | B&R 8MSA Compact Synchronous Servo Motor Series |
| Rated Speed | 3000 rpm |
| Number of Pole Pairs | 4 pairs |
| Rated Torque | 2.4 Nm |
| Supply Voltage | Three-phase 400V～480V AC ±10% |
Soldering machines, dispensing machines, inspection machines, sorting machines, soldering equipment, enabling precise positioning and high-speed feeding of tiny components, ensuring high precision in electronic processing.
Micro engraving machines, small drilling machines, grinding and polishing equipment, meeting the dual requirements of low-speed stable movement and high-speed feeding in fine processing.
Small three-axis and four-axis servo modules, handling robotic arms, loading and unloading robotic hands, achieving rapid translation, precise point positioning grasping and placement.
| Comparison Dimension | B&R 8MS5X.E0-32 | B&R 8MSA2L.R0-42 |
| Product Series | 8MS High Performance Series (focused on extremely high dynamic response and low inertia) | 8MSA Standard High-Value Series (emphasizing compact structure and high durability) |
| Frame Size (Size) | Size 5 — larger in size, with significantly higher output torque | Size 2 — compact size, suitable for space-constrained light-load / mid-load scenarios |
| Core Length Specification | X specification — high power density and excellent overload capacity | L specification — extended core, providing greater torque under the same frame size |
| Position Feedback System | E0 — EnDat high-resolution absolute value encoder | R0 — Rotary Transformer (Resolver) |
| Mechanical Interface / Connection | -32 configuration — standard right-angle / rotatable connector | -42 configuration — specific wiring direction and mechanical installation custom code |
| Key Performance Trends | Ultra-high position accuracy, micrometer-level control, automatic recognition via electronic nameplate | Extremely strong vibration resistance, high temperature resistance, no risk of encoder disc damage, mechanical durability |
As a supplier, we have been providing industrial control products for many years. We always have a stock of servo drives and motors from multiple brands such as B&R, Siemens, Schneider, and Lenze in stock. With accumulated inventory, we reduce the middleman resale link and offer the best service at the lowest price.
High response and low inertia: The optimized rotor design reduces the moment of inertia, enabling the motor to maintain an extremely short response time during frequent starts and stops as well as forward and reverse rotation switching.
High vibration resistance and high-temperature tolerance: The B&R 8MSA2L.R0-42 incorporates a rotary transformer, which is a purely inductive structure without electronic components. It can withstand mechanical shocks, high temperatures, and strong vibrations better than ordinary optical encoders.
Low tooth-slot effect for smooth operation: To enhance the smoothness of position servo control. Torque fluctuations at low speeds are reduced by optimizing the stator groove and the rotor pole layout.
Reference for related models and series
B&R 8MSA2M.R0-42
B&R 8MSA3L.R0-42
B&R 8MSA5L.E0-32
B&R ACOPOS 8V1045.00 - 2
B&R ACOPOS 8V1090.00 - 2
B&R 8MSA2L.R0-42 is suitable for B&R ACOPOS full series servo drive, system compatibility is full, communication is stable, debugging is simple, it is recommended to use with the brand, can play the best dynamic and precision performance.
It is mainly suitable for small load, high-frequency start-stop, high-speed reciprocating, and high-precision positioning applications. It is suitable for lightweight automation scenarios in electronic equipment, packaging machinery, light mechanical hands, and precision inspection equipment, but not for heavy-load, low-speed impact applications.
Adopting low-noise bearings and an optimized noise reduction structure, the rated working condition noise is ≤55dB, and the operating vibration is extremely low. After long-term durability tests by the original factory, it supports 24-hour continuous industrial operation, featuring strong stability and an extremely low failure rate.
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