8LSA44.EA030D100-3 B & R Automation
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The B & R Automation 8LSA44.EA030D100-3 is a three-phase synchronous motor from the 8LS Synchronous Motors series. It features self-cooling with free air circulation and has an inductive EnDat 2.1 encoder. The motor comes with a 100 mm mounting flange, a rated speed of 3000 rpm, and an angled connector for wiring.
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Product Description:
The 8LSA44.EA030D100-3 is a three-phase synchronous motor manufactured by B&R Automation for the 8LS Synchronous Motors series. It delivers controlled rotary motion for axes in packaging machinery, pick-and-place modules, and other automated equipment where precise positioning and repeatable speed are required. The motor connects to B&R servo drives through its integrated absolute encoder and occupies the same mechanical envelope used across the series, supporting installation on standardized machine frames.
Within the type code, the designation 8LSA indicates a standard build without reinforced bearings. A rated shaft speed of 3000 rpm allows the motor to drive many loads directly, while the square mounting face measures 100 mm for compatibility with common gearboxes and couplings. Length code 4 indicates the magnetic stack height associated with the continuous torque capacity of this frame size. Rotor position is reported by an inductive EnDat sensor using the bidirectional EnDat 2.1 protocol. The sensor provides 19-bit single-turn resolution, giving precise feedback for closed-loop position and speed control. The encoder is a single-turn device, so the control system must count complete revolutions when multi-turn position tracking is required.
An angled connection direction guides the power and feedback conductors toward the cabinet wall, helping keep cable routing clear around the motor housing. A keyed connector interface provides secure power and feedback connections while allowing the cables to be disconnected without disturbing fixed wiring routes. Cooling is handled by a self-cooling design that relies on free air circulation, removing the need for auxiliary fans or liquid circuits. The motor is produced as Product Revision 3. A mounting flange carries axial and radial forces, while the keyed shaft provides positive engagement with compatible couplings. The unit is supplied without a holding brake or an oil seal, making external load retention and additional shaft sealing necessary when the application requires those functions.
