8MSA7M.R0-D80D B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation 8MSA7M.R0-D80D is part of the 8MS Three Phase Synchronous Motors series and features a motor size of 7 with a medium relative rated torque. This self-cooling motor has IP65 protection, a nominal rated speed of 3000 rpm, and a smooth shaft end. It is equipped with a BRX resolver for encoder technology and allows a permitted axial force of 500 N during installation.
Internal Product Review
The 8MSA7M.R0-D80D is a B & R Automation three-phase synchronous motor with self-cooling and a top connection direction. BRX resolver feedback with ±10 angular minutes precision gives the motor accurate position response for controlled motion. IP65 protection and a 3000 rpm rated speed make the motor an excellent fit for dependable industrial servo duty.
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Product Description:
The 8MSA7M.R0-D80D is a three-phase synchronous motor produced by B&R Automation for the 8MS Three Phase Synchronous Motors series. Within an automation cell, the unit converts drive current into rotary motion that positions tooling, conveyors, or machine axes with electronic precision. Its medium frame size and integrated feedback hardware allow machine controllers to maintain closed-loop motion control without external transducers, making the motor suitable for coordinated multi-axis applications.
During installation, cabling is routed upward because the connection points are on the top of the housing. Heat is removed through a self-cooling airflow path, eliminating the need for external fans and simplifying the surrounding equipment layout. The motor can reach a rated speed of 3000 rpm, supporting general-purpose servo applications that require responsive and controlled movement. Its IP65 enclosure rating protects the windings from dust and low-pressure water jets, which is useful on packaging or washdown lines. The shaft accepts up to 500 N of axial force during mounting, so couplings or pulleys can be installed without exceeding the stated bearing limit. The motor is supplied without a holding brake and therefore relies on controlled torque or an external clamping device to retain a stationary load when required.
Rotor position is measured by a BRX resolver. Its electrical nonlinearity remains within ±1 angular minute, while its absolute precision remains within ±10 angular minutes, allowing the drive to interpret small changes in rotor position under load. The resolver is housed in a sealed cavity, and an oil seal at the output end prevents lubricant migration into surrounding components. Torque capacity is classified as medium for the size 7, M-length stack, providing balanced acceleration without requiring an unnecessarily large inverter. A smooth shaft end provides a clean cylindrical interface for a clamping coupling or shrink-fit hub selected for the machine assembly.
