8LSA57.R2030D100-3 B & R Automation
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The B & R Automation 8LSA57.R2030D100-3 is a three-phase synchronous motor from the 8LS Synchronous Motors series. It features a flange dimension of 142 mm, resolver encoder technology, and a rated speed of 3000 rpm. This motor comes self-cooled with free circulation, includes a shaft end with key, and uses an angled connector for electrical connection.
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Product Description:
The 8LSA57.R2030D100-3 is a three-phase synchronous motor manufactured by B&R Automation for the 8LS Synchronous Motors series. Classified under the 8LSA configuration, it uses standard bearings and converts electrical energy from a compatible modular servo drive into controlled rotary motion. The motor can provide the torque required by conveyors, pick-and-place heads, tool changers, and other motion-controlled equipment on automated production lines. Its synchronous design supports precise regulation of shaft position, speed, and torque when paired with a suitable servo drive.
The motor has a rated speed of 3000 rpm, allowing the connected drive train to operate across a broad speed range. Thermal management relies on self-cooling through free air circulation, so ambient air passing over the frame removes heat without an auxiliary fan. Rotor position is measured by a resolver, which supplies durable feedback for closed-loop motion control in environments where electrical noise or vibration may be present. The housing has a flange dimension of 142 mm, providing a stable interface for rigid attachment to a gearbox or machine plate. An integrated mounting flange supports accurate alignment and helps maintain concentricity between the motor shaft and the driven equipment. Standard bearings support the rotating assembly during repetitive acceleration, deceleration, and positioning cycles.
Power and feedback cables connect through an angled swivel connector that can be rotated to improve cable routing and reduce strain in confined installation spaces. The motor has a positioning accuracy of 6 arcmin, making it suitable for indexing and controlled rotary applications that require consistent angular movement. It is supplied without a holding brake, so an external locking device or continuous motor torque is required when a stationary load must remain secured after power is removed. The motor uses a keyed shaft, which provides positive engagement with pulleys, gearboxes, or rigid couplings and helps prevent slippage during start-stop operation. The configuration has length code 7 and product revision 3. It does not include an oil seal, making it appropriate for installations where the shaft interface is not exposed to oil or other liquids.
