The 8KS Synchronous Motors series by B&R Automation is a family of permanent-magnet three-phase servo motors designed for demanding machine applications that require high power density, strong overload capability, and efficient continuous operation.
The series includes both air-cooled and water-cooled configurations, with variants using centrifugal fan cooling, axial fan cooling, or liquid cooling depending on the installation and performance requirements. Across the range, motors are available in multiple frame sizes, lengths, nominal speeds, and encoder options, including resolver feedback and EnDat single-turn or multi-turn systems with functional-safety-capable versions. The platform also offers configuration flexibility through choices such as smooth or keyed shafts, optional holding brakes, reinforced bearing options, and different mounting arrangements for machine integration. In the listed technical data, the series is built for use with 3 x 400 to 480 VAC servo drive systems, uses terminal-box power connection with circular encoder connectors, and is specified for industrial operation with IP54 protection and insulation class F.
