8MSA3L.E1-W0 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation 8MSA3L.E1-W0 is part of the 8MS Three Phase Synchronous Motors series and features self-cooling with a relative rated torque classified as large. This motor has a multi-turn EnDat encoder with a resolution of 512 lines and recognizes up to 4096 revolutions. It has a motor size of 3 and allows for a permitted axial force of 200 N during installation.
Internal Product Review
The 8MSA3L.E1-W0 is a B & R Automation three-phase synchronous motor with self-cooling and large rated torque. The EnDat multi-turn encoder supports dependable feedback, and ±60 arcsecond precision is well suited for accurate motion control. Recognition of 4096 revolutions adds strong positioning capability for demanding servo applications.
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Product Description:
The 8MSA3L.E1-W0 is a three-phase synchronous motor manufactured by B & R Automation for the 8MS Three Phase Synchronous Motors series. This servo motor converts electrical input from a compatible drive into controlled rotary motion through precise electronic commutation, making it suitable for conveyors, gantry axes, and indexing modules in automated production cells. The unit combines a size 3 stator frame with length code L, providing an installation footprint that follows the manufacturer’s standardized flange pattern. Its permanent-magnet design supports responsive torque generation when the connected drive regulates current according to position and speed commands.
The motor uses self-cooling, which transfers heat through the frame surface and eliminates the need for an external blower. Its integrated encoder has a signal bandwidth of at least 100 kHz at -3 dB, supporting the rapid feedback cycles required by modern motion controllers. The optical disk produces 512 lines per revolution, while internal interpolation provides additional position increments for precise motion regulation. Position accuracy remains within a mechanical error band of ±60 arcseconds. The encoder supports multi-turn absolute operation, allowing it to retain shaft position across multiple revolutions so the axis can recover its known position after power is restored.
During installation, the shaft can withstand a permissible axial load of 200 N, allowing compatible couplings to be installed without exceeding the bearing load limit. Encoder communication uses the EnDat protocol, which carries position information, diagnostic data, and electronic nameplate data over a bidirectional connection. The feedback unit distinguishes 4096 complete revolutions, allowing the drive to track accumulated shaft turns in hoists and multi-turn rotary actuators. This capability reduces the need for a separate homing movement when the machine is powered on. The motor has a large relative rated torque class, pairing its length L housing and size 3 frame with applications that require substantial continuous torque without a larger mounting footprint.
