Mao Hui is one of the suppliers of B&R 8MSA3X.E0-31. It is a high-performance three-phase rare-earth permanent magnet synchronous servo motor. Compared with conventional servo motors, its protection level has been enhanced to IP65, which offers stronger dust-proof, waterproof splash-proof, vibration-proof and corrosion-resistant capabilities. It is perfectly suitable for complex and harsh working conditions such as humidity, dust, and frequent start-stop in factories. It is a core transmission component for intelligent manufacturing, precision processing, and automated assembly lines.
| Product Model | 8MSA3X.E0-31 |
| Product Series | B&R 8MSA Compact Synchronous Servo Motor Series |
| Rated Speed | 3000 rpm |
| Number of Pole Pairs | 5 pairs |
| Rated Torque | 1.5 Nm |
| Supply Voltage | Three-phase 400V～480V AC ±10% |
Flange size: 8MSA3 series (approx. 70 mm flange installation size)
Core length: X (Extended axial core type)
Feedback type: E0
Rated speed: 3000 RPM
Rotational inertia: High dynamic balance low inertia rotor
Insulation class: Class F (155 °C)
Protection class: IP64 / IP65 (compatible with end face oil seal)
Interface type: Rotating dual circular industrial quick-connect interface
Working cooling: Natural air cooling
The B&R 8MSA3X.E0-31 from China Maohui Machinery, with its core advantages of high IP65 protection, high dynamic response, precise control, and strong adaptability, is widely used in high-end precision automation equipment across various industries. Precision processing equipment: precision milling machines, small CNC machining centers, engraving machines, precision grinding equipment, etc., ensure precise positioning and controllable errors during high-speed processing, improving product processing accuracy and yield rate. Automated packaging and sorting equipment: high-speed packaging machines, sealing machines, intelligent sorting lines, transplant transmission equipment, suitable for high-frequency continuous start-stop operations, running smoothly without stalling, suitable for large-scale automated production.
3C electronic precision equipment: surface mounters, dispensers, vision inspection equipment, precision assembly modules, micro transmission mechanisms, meeting the requirements of micrometer-level precise motion control, suitable for high-precision production standards in the electronics industry.
The B&R 8MSA3X.E0-31 adopts high-density permanent magnetic materials and an optimized stator winding structure. Under the same flange size, it provides a larger continuous torque output than the S/M models. It has a strong overload capacity and can withstand high-frequency speed changes, reversing impacts. The junction box uses corrosion-resistant metal connectors, enabling multi-angle rotation positioning, which facilitates cable laying within the compact mechanical structure.
The outer layer of the motor is sealed with industrial-grade anti-static vacuum bags.
The shaft end and socket position are fully covered with custom high-density EPE foam, absorbing the bumps and impacts during transportation.
For some brand models, the outermost layer uses non-odor-absorbing composite wooden boxes or thick-layer reinforced cardboard boxes. Anti-collision guardrails are installed around the edges and packing steel bands are attached.
Immediately cut off the power supply and remove the circular connector. Use industrial cleaning agent to clean the needle pins of oil stains, and then blow them dry with dry compressed air.
It lies in the axial stacking length of the stator core. Under the same 70mm flange outer diameter and 3000 RPM rated speed, the core of 8MSA3X.E0-31 is longer, so it can provide a larger continuous output torque and peak overload capacity, while 8MSA3S is more suitable for light-load scenarios with extremely limited axial installation space.
The standard rated performance indicators are based on a permitted ambient temperature of 40 °C. Beyond this temperature, due to thermal balance protection, the continuous allowable output torque of the motor needs to be appropriately reduced in proportion (Derating).
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No. 16, North Square Road, Gaobei Town, Dongguan City, Guangdong Province, China
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