8MSC6X.R0-X4 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation 8MSC6X.R0-X4 is a three phase synchronous motor from the 8MS series. It features a separately cooled system with a motor size of 6 and motor length X. The motor utilizes BRX resolver encoder technology with non-linearity of ±1 angular minute and boasts an extra large relative rated torque.
Internal Product Review
The 8MSC6X.R0-X4 is a B & R Automation three phase synchronous motor with a separately cooled design. BRX resolver feedback and ±1 angular minute non-linearity make this motor a strong choice for precise servo applications.
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Product Description:
The 8MSC6X.R0-X4 is a three-phase synchronous motor supplied by B & R Automation within the 8MS Three Phase Synchronous Motors series. Designed for servo axes in industrial automation, it converts drive current into controlled shaft rotation for indexing tables, pick-and-place units, carton formers, and similar equipment. Integrated position feedback allows the associated inverter to regulate torque and speed accurately during changing load conditions. The motor supports high-cycle positioning and continuous-duty motion in production systems that require repeatable movement.
The motor has a frame size code of 6, which indicates the stator diameter and mechanical interface used across the platform. Its motor length index is X, providing an extended active lamination stack and additional electromagnetic area without changing the mounting footprint. Thermal limits are managed through a separately cooled arrangement that directs an external cooling medium over the housing. This cooling method helps keep the winding temperature within its permitted insulation-class limits during sustained torque output. The motor has a relative rated torque classified as extra large, providing greater continuous torque capacity than standard-length configurations. Rotor position is detected by an integral resolver, which produces sine-cosine signals for rotor-angle feedback at all operating speeds, including standstill.
The feedback package uses a BRX resolver to provide the drive with dependable angular position signals for motor commutation and closed-loop motion control. Within one pole pair, resolver nonlinearity is limited to ±1 angular minute, reducing distortion in the position signal used by the inverter. Across one complete mechanical revolution, the resolver maintains an overall precision of ±10 angular minutes, supporting accurate velocity and position regulation when paired with a compatible high-bandwidth drive. The feedback signal also promotes stable commutation during rapid acceleration and deceleration, helping the controller limit abrupt current changes while maintaining smooth shaft motion.
