8LSA35.EB030D100-3 B & R Automation
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The 8LSA35.EB030D100-3 is a three-phase synchronous motor manufactured by B & R Automation as part of the 8LS Synchronous Motors series. It features an inductive EnDat 2.1 encoder, a mounting flange, and an angled connector for connection. The motor is self-cooling with free circulation and has a rated speed of 3000 rpm.
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Product Description:
The 8LSA35.EB030D100-3 is a three-phase synchronous servo motor produced by B&R Automation for the 8LS Synchronous Motors series. Delivered under the internal designation 8LSA and product revision 3, the motor serves as a compact rotary axis in automated machinery where accurate positioning and repeatable speed are critical. The unit uses the standard 8LSA configuration and does not include a reinforced bearing. Its length code 5 indicates the active stator stack used for this motor configuration, providing a compact housing for applications with limited installation space.
The motor seats against a mounting flange with a 91.3 mm square interface, while a keyed shaft end transmits torque directly to a coupling or gearbox. It reaches a maximum speed of 3000 rpm, making it suitable for medium-inertia loads that require consistent velocity and responsive acceleration. The housing uses self-cooling with free air circulation, eliminating the need for supplemental fans or liquid cooling circuits. Power and feedback cables exit through an angled swivel connector housing, which allows the detachable connector to be oriented for easier cable routing in confined machine spaces. The motor uses three-phase synchronous operation to produce controlled torque in response to commands from a compatible servo drive. The permanent-magnet design supports smooth rotary motion during positioning, indexing, and speed-regulated operation.
Position feedback is provided by an inductive EnDat sensor that communicates with the drive through the EnDat 2.1 protocol. This digital connection transmits position and speed information to support closed-loop motion control and drive diagnostics. The transducer provides 19/12-bit resolution for single-turn position measurement and multi-turn counting. Its internal counter tracks up to 4096 revolutions without requiring battery support, allowing the drive to retain absolute position information across multiple shaft rotations. The motor does not include a holding brake, so an external brake or another load-securing method is required when power is removed from an axis that could move at rest. The housing is also supplied without an oil seal, making the motor appropriate for clean mounting areas where the shaft interface is not exposed to oil or similar contaminants.
