8LSA44.EB060D900-3 B & R Automation
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The B & R Automation 8LSA44.EB060D900-3 is a three-phase synchronous motor that is part of the 8LS Synchronous Motors series. It features a standard holding brake, mounting flange, and an angled connector for connection. The motor uses self-cooling with free air circulation, has a 100 mm flange dimension, and operates at a rated speed of 6000 rpm.
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Product Description:
The 8LSA44.EB060D900-3 is a three-phase synchronous motor built by B&R Automation within the 8LS Synchronous Motors series. The “A” in its 8LSA designation indicates the standard configuration without a reinforced bearing, while the revision 3 suffix indicates its current build state. Designed for flange mounting, the unit provides rotary power for automated axes that require a compact motor, high operating speed, and absolute position feedback. Its synchronous design supports controlled acceleration and accurate positioning when paired with a compatible digital servo drive.
Its mechanical interface uses a square flange measuring 100 mm and a shaft end supplied with a key, simplifying direct coupling to gearboxes or pulleys. At the rated speed of 6000 rpm, the motor delivers its specified output without forced ventilation, while rotor length code 4 supports balanced operation at high speed. Position data are produced by an inductive EnDat encoder that uses EnDat version 2.1. The sensor provides a resolution of 19/12 bits for the single-turn and multi-turn ranges, respectively, and tracks motion across up to 4096 revolutions without resetting. This closed-loop feedback supports precise speed regulation and prevents cumulative position errors during indexing or interpolation tasks.
A standard holding brake secures the rotor whenever power is removed, preventing back-driving when the motor operates with vertical loads. Thermal management relies on a self-cooling design with free air circulation, so no external blower is required. Power and feedback lines exit through an angled swivel connector, reducing cable bending stress during routing and allowing the connection angle to suit the machine layout. An oil seal at the output shaft limits lubricant migration and helps prevent contaminants from reaching the bearing area. The keyed shaft provides positive engagement with the connected transmission component, while the flange supports accurate alignment against the mounting surface. The connector arrangement also keeps the power and feedback wiring organized near the motor housing.
