8LSAA2.D9045S000-3
B&R Automation’s 8LSAA2.D9045S000-3 belongs to the 8LS Synchronous Motors series and is a three-phase synchronous unit for positioning and speed control tasks inside automated machinery. By combining compact mechanical dimensions with electronic feedback, the motor supports coordinated multi-axis motion where repeatability and rapid acceleration are required on assembly lines, packaging stations, and material-handling equipment. Its overall format suits installations that need accurate rotary motion without adding unnecessary bulk to the machine layout.
The motor reaches a rated speed of 4500 rpm, allowing direct coupling to moderately high-speed loads without external gearing. A flange dimension of 70 mm sets the mounting footprint for equipment built around this interface. Power, signal, and brake conductors exit through a single-cable solution, which helps simplify wiring, and the mating connection uses a standard connector. Rotor position is measured with an Inductive EnDat encoder that operates on protocol version 2.2 for digital, bidirectional communication with the drive. The internal configuration follows code 8LSA for a standard construction without reinforced bearings, and revision 3 marks a later product update. The length code 2 frame uses a smooth shaft so clamp or shrink couplings can be applied without a keyway.
High-resolution feedback is provided with 19/12 bits of single-turn and multi-turn data, and the built-in counter supports 4096 multi-turn revolutions for absolute position recovery after power interruptions. The stator uses self-cooling through free air circulation, eliminating external fans and reducing maintenance points. Because the housing is prepared for a mounting flange, the motor installs directly on machine plates, and its smooth shaft works with clamp or shrink couplings. The motor comes without a holding brake, and no oil seal is fitted, which reduces friction and inertia in applications where mechanical locking or external sealing is provided. The connector arrangement supports inductive EnDat signaling while maintaining the hybrid cable layout.
