8LSA35.EB030D900-0 B & R Automation
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The B & R Automation 8LSA35.EB030D900-0 is a three-phase synchronous motor from the 8LS Synchronous Motors series, featuring a flange dimension of 91.3 mm and a rated speed of 3000 rpm. It uses self-cooling by free circulation and comes equipped with an inductive EnDat 2.1 encoder with a 19/12 bit resolution. The motor is configured with a standard holding brake, a shaft end with key, and an oil seal, and is connected via an angled connector.
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Product Description:
The 8LSA35.EB030D900-0 is a three-phase synchronous motor produced by B&R Automation for the 8LS Synchronous Motors series. In automated machinery, it converts three-phase electrical power into controlled mechanical rotation for positioning tasks, servo axes, and general motion applications. The motor follows the 8LSA configuration and is supplied in standard form without reinforced bearings. An integral flange provides a rigid mounting interface for installation on machine frames, gearboxes, and other driven equipment. This arrangement supports accurate shaft alignment when the motor is connected to a compatible mechanical load.
The unit reaches a rated speed of 3000 rpm, enabling fast operating cycles in motion-control systems. Its flange has an outside diameter of 91.3 mm, which establishes the space required for the mounting interface and helps align the motor with compatible equipment. Feedback is provided by an inductive EnDat sensor that operates with EnDat version 2.1 and transmits absolute position data to the drive. The sensor provides 19-bit single-turn and 12-bit multi-turn resolution for precise position monitoring across multiple shaft rotations. Heat is removed through a self-cooling design that relies on free air circulation around the motor housing, so an external blower is not required. An integrated standard holding brake secures the connected load when power is removed. The keyed shaft end provides positive torque transfer to a coupling and helps prevent rotational slip under load.
Electrical terminations exit through an angled connection that can swivel to accommodate the available cable-routing direction. A mating connector allows the power and feedback cables to be attached without opening the motor housing. The encoder tracks absolute position across as many as 4096 revolutions, allowing the controller to recover the shaft position after a shutdown without requiring a new reference movement. An oil seal helps protect the internal bearings from oil, dust, and other contaminants near the shaft interface. The motor has length code 5, indicating the stack depth used for this configuration and providing an inertia range suited to medium-power servo applications. External support bearings may be required if radial or axial loads exceed the permissible limits of the motor’s standard bearing set.
