8LSN44.EB030D700-0 B & R Automation
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The 8LSN44.EB030D700-0 is a three-phase synchronous motor made by B & R Automation and is part of the 8LS Synchronous Motors series. It features a 100 mm mounting flange, a rated speed of 3000 rpm, and self-cooling with increased mass moment of inertia. The motor supports an inductive EnDat 2.1 encoder with a multi-turn capability of 4096 revolutions and a resolution of 19/12 bits single or multi-turn.
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Product Description:
The 8LSN44.EB030D700-0 is a motor produced by B&R Automation for the 8LS Synchronous Motors series. It arrives in a standard configuration that includes a mounting flange machined into the front face, allowing straightforward attachment to gearboxes or direct-drive plates. When paired with a compatible inverter, the unit delivers precise velocity and position control for conveyors, pick-and-place heads, and other motion axes in industrial automation. Its permanent-magnet design supports responsive torque generation throughout repeated acceleration and deceleration cycles.
The motor uses a three-phase synchronous topology, so the stator windings accept balanced three-phase current and generate a rotating field that remains synchronized with the rotor magnets. Its nominal operating speed is 3000 rpm, which suits many compact gearbox ratios without overspeeding mechanical seals. The mounting interface has a 100 mm square flange, establishing the bolt pattern and pilot dimensions required for alignment. Position feedback is delivered by a built-in inductive EnDat sensor that transmits absolute position data to the drive. This device provides a resolution of 19/12 bits, giving 524,288 single-turn increments and multi-revolution position tracking. A keyed shaft transmits torque, while an oil seal protects the bearing cavity from lubricant loss and contaminant entry. The design does not include a holding brake, so an external mechanism or drive-applied torque must secure stationary loads. Length code 4 indicates the active stack height used in this motor.
Installation wiring is routed through an angled swivel connector housing, which eases cable routing in confined enclosures and permits adjustment to the available entry angle. The feedback channel supports EnDat protocol revision 2.1, enabling high-speed, bidirectional data exchange with the controller. Internal temperature rise is moderated by self-cooling, eliminating the need for a separate fan or liquid-cooling circuit. The increased mass moment of inertia improves speed stability during abrupt load changes and can reduce sensitivity to short torque disturbances. The encoder stores absolute counts across a multi-turn range of 4096 revolutions, allowing the controller to retain shaft position over numerous complete rotations. The 8LSN designation places the unit among motors that use common electromagnetic laminations and share similar dynamic behavior.
