8LSN44.EB030D900-0 B & R Automation
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The 8LSN44.EB030D900-0 is a three-phase synchronous motor manufactured by B & R Automation as part of the 8LS Synchronous Motors series. It features a self-cooling mechanism, a flange dimension of 100 mm, and an inductive EnDat encoder with multi-turn capability of 4096 revolutions. This motor has a rated speed of 3000 rpm and comes with a standard holding brake and an angled, swivel connection direction.
Internal Product Review
The 8LSN44.EB030D900-0 is a B & R Automation three-phase synchronous motor with self-cooling. Inductive EnDat encoder technology and multi-turn capability support precise feedback and stable motion control in demanding servo applications. Rated speed of 3000 rpm makes the motor an excellent choice for responsive machine performance.
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Product Description:
The 8LSN44.EB030D900-0 is a servo motor produced by B&R Automation for the 8LS Synchronous Motors series. Engineered as a drive element in industrial automation, it converts electrical energy into precise rotary motion for conveyors, pick-and-place stations, and packaging equipment. Its three-phase synchronous architecture maintains a stable power factor across the operating speed range, supporting controlled motion under changing load conditions.
The motor has a nominal shaft speed of 3000 rpm, allowing it to operate with high-ratio gear stages without overspeeding the windings. A 100 mm square mounting face aligns with common mechanical frames and provides a stable interface for installation. The power and feedback connectors have an angled swivel orientation, allowing them to be rotated for easier cable routing within confined machinery. Position information is captured by an inductive EnDat sensor operating with protocol version 2.1, providing absolute position data and electronic nameplate support. The stator uses self-cooling, eliminating the need for a separate fan or liquid cooling circuit. Its increased mass moment of inertia can help smooth speed changes when the connected load experiences rapid torque variations. The standard configuration uses the baseline windings, connectors, and surface finish for this model. Length code 4 indicates the magnetic stack depth, while the keyed shaft end provides slip-free torque transfer and an oil seal protects the motor interior from lubricant intrusion.
A standard holding brake secures the rotor when supply power is removed, preventing vertical or high-inertia loads from drifting. The housing includes a mounting flange that supports accurate alignment and transfers reaction forces into a rigid machine plate. Feedback resolution is 19/12 bits, corresponding to 19-bit single-turn position data and 12-bit multi-turn position data. The internal counter supports multi-turn operation across 4096 revolutions, allowing the controller to retain absolute position information over numerous shaft rotations. This absolute feedback capability eliminates the need for a reference homing cycle after normal power interruptions, reducing the time required before the axis can resume controlled operation.
