8MSA5M.E3-W201-1 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation 8MSA5M.E3-W201-1 is part of the 8MS Three Phase Synchronous Motors series and features self-cooling. This synchronous motor has a size of 5, length M, and provides medium relative rated torque. It includes a multi-turn EnDat inductive encoder with 32 lines resolution and can recognize up to 4096 revolutions.
Internal Product Review
The 8MSA5M.E3-W201-1 is a B & R Automation 8MS three phase synchronous motor with self-cooling and medium rated torque. EnDat inductive feedback and 4096 recognizable revolutions support accurate position monitoring in servo applications. A 32-line encoder resolution makes the motor a strong choice for consistent motion control.
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Product Description:
The 8MSA5M.E3-W201-1 is a synchronous servo motor produced by B&R Automation as part of the 8MS Three Phase Synchronous Motors series. Designed for integrated motion axes, the unit converts electrical power into controlled torque and speed for positioning, conveying, or coordinated robotic movement in automated equipment. Its three-phase stator and permanent-magnet rotor allow a highly dynamic response, while the compact frame suits machines with limited installation space. The motor can support applications such as packaging equipment, material-handling systems, and robotic assemblies that require accurate speed and position control.
Thermal management relies on a self-cooling design, which allows the housing to dissipate heat through radiation and natural convection without forced airflow. The encoder supports a sampling frequency of at least 6 kHz at the -3 dB point, allowing the drive to close position loops at high bandwidth for smooth servo performance. Positional deviation is limited to ±400 arcseconds, supporting repeatable alignment when the axis returns to a taught coordinate. Feedback begins with 32 lines on the code disk, and internal interpolation enables the controller to resolve finer increments. Data exchange between the encoder and drive uses the EnDat Inductive protocol, providing digital noise immunity and automatic parameter transfer. These feedback capabilities help the drive respond quickly to position changes while maintaining stable operation during coordinated movement.
The encoder offers multi-turn counting, which tracks shaft position across power cycles so the machine does not require a homing routine after each startup. The mechanical frame is classified as Size 5 with motor length M, providing a balanced ratio of torque density to inertia for midrange axes. Within this frame, the encoder records up to 4096 full revolutions before rollover, providing sufficient travel measurement for tall gantries or elevator columns without external counters. The motor has a medium relative rated torque, placing it between the light-duty and high-torque options available in the same series. This torque range supports moderate continuous loads in pumps, indexing tables, feed rollers, and similar machine axes. Its compact frame and position retention are useful where installation space is restricted and the load must resume movement from a known location after power is restored.
