8LSA34.R0030C000-0 B & R Automation
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The B & R Automation 8LSA34.R0030C000-0 is a three-phase synchronous motor from the 8LS Synchronous Motors series with a rated speed of 3000 rpm and a flange dimension of 91.3 mm. This motor features self-cooling, a straight top connector, and uses a resolver for encoder technology.
Internal Product Review
The 8LSA34.R0030C000-0 is a B & R Automation three-phase synchronous motor with self-cooling by free circulation. Resolver feedback and a 3000 rpm rated speed support accurate motion control and responsive operation. A smooth shaft and straight top-connector layout make this motor a strong choice for clean, efficient machine integration.
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Product Description:
The 8LSA34.R0030C000-0 is a three-phase synchronous motor produced by B&R Automation for the 8LS Synchronous Motors series. Its internal 8LSA designation indicates a standard build without reinforced bearings, intended for high-cycle industrial axes that require a compact form and consistent torque. By converting three-phase drive output into precisely controlled rotation, the unit positions tooling, conveyor sections, or robotic joints in automated lines while leaving speed and torque regulation to the paired drive controller. This arrangement allows the motor to serve as the controlled rotary element in automated machinery that requires repeatable motion.
At a rated speed of 3000 rpm, the rotor can deliver continuous motion while maintaining a positional accuracy of 10 arcmin, which supports accurate indexing tasks. The flange measures 91.3 mm, providing a consistent pilot for alignment with gearheads or machine frames. Position feedback is generated by a resolver, an analog device valued for its resistance to electrical noise and temperature changes. Power is transmitted through a smooth shaft, eliminating keyway stress concentrations and simplifying alignment with a clamping coupling. No holding brake is installed, so static load retention must be handled externally when drive power is removed. All motor conductors terminate at a single M23 connector, simplifying cable routing between the motor and drive cabinet.
The motor uses self-cooling through free air circulation, so the installation must provide sufficient space around the housing for heat dissipation. Electrical and feedback conductors exit through a straight top connector, keeping cable loops short in compact gantry layouts and reducing unnecessary bends near the housing. The stator housing has length code 4, which indicates the active stack height and corresponding torque class within the motor series. Machine-side fastening is provided by a mounting flange, allowing the motor to be secured directly to a compatible machine surface. Because no oil seal is fitted, the shaft area must be protected from coolant spray and lubricants that could migrate along the journal. The absence of reinforced bearings also makes proper shaft alignment and adherence to permissible radial and axial loads important during installation.
