8LSA25.D9060U049-3 B & R Automation
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The B & R Automation 8LSA25.D9060U049-3 is a three-phase synchronous motor from the 8LS Synchronous Motors series. It features self-cooling with free circulation and a rated speed of 6000 rpm. The motor uses inductive EnDat encoder technology with a 19/12 bit single/multi-turn resolution and supports multi-turn capability of up to 4096 revolutions.
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Product Description:
The 8LSA25.D9060U049-3 is a servo motor manufactured by B & R Automation for the 8LS Synchronous Motors series. It serves as the prime mover on coordinated axes that require precise speed and position control in industrial automation cells, pick-and-place modules, and light machine-tool feeds. The motor converts electrical commands from a compatible servo drive into controlled rotary motion, allowing the connected axis to follow programmed acceleration, velocity, and positioning profiles. The 8LSA designation, length code 5, and product revision 3 indicate its mechanical stack height and internal winding generation, supporting selection for suitable torque demands without changes to the surrounding machine layout.
The drive section uses a three-phase synchronous design that reaches a rated speed of 6000 rpm, enabling rapid cycle times in short-stroke applications. Heat is removed by self-cooling with free air circulation, so the motor does not require an external blower or liquid-cooling manifold. Mechanical attachment is provided by a mounting flange with a 58 mm square interface, allowing the housing to be secured to a compatible machine surface. Power and feedback conductors are routed through a single industrial connector, which keeps the cable arrangement compact and reduces the number of separate connection points. The motor can be coupled directly to suitable gearheads or pulley sets without intermediate mounting brackets.
Position feedback is supplied by an inductive EnDat sensor that supports protocol version 2.2. The encoder provides 19/12 bits of resolution for single-turn and multi-turn position data, giving the controller detailed information for motion regulation. It tracks shaft revolution counts through a multi-turn range of 4096 revolutions, providing a wide absolute position range without requiring a homing cycle after each power-up. The feedback assembly is aligned with the rotor so the connected servo drive can coordinate commutation and position control accurately. Its absolute feedback capability is useful on axes that must retain their known mechanical position across operating cycles. The mounting flange keeps the motor housing aligned with the driven equipment, while the compact connection arrangement supports cable routing in confined machine spaces.
