8LSA74.EB030D000-0 B & R Automation
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The B & R Automation 8LSA74.EB030D000-0 is a three-phase synchronous motor from the 8LS Synchronous Motors series. It features a 190 mm mounting flange, a rated speed of 3000 rpm, and self-cooling with free circulation. This model is equipped with an inductive EnDat encoder for multi-turn positioning up to 4096 revolutions and has a smooth shaft design.
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Product Description:
The 8LSA74.EB030D000-0 motor is produced by B&R Automation for the 8LS Synchronous Motors series. It is a three-phase servo unit that delivers precise rotational motion to packaging lines, assembly cells, and other automated equipment. The model belongs to the 8LSA design branch, so its mechanical dimensions and electrical characteristics support integration with compatible drives. Its synchronous operation makes it suitable for controlled motion axes that require accurate speed and position regulation.
This unit operates as a three-phase synchronous machine, so its rotational speed follows the stator frequency without slip. A nominal speed of 3000 rpm provides the continuous operating velocity available when the motor is powered by a matching inverter. Heat is removed through self-cooling with free air circulation, eliminating the need for an external blower while requiring unobstructed airflow around the housing. The frame has a 190 mm flange interface that mates directly with suitable gearboxes or machine plates. Power and feedback conductors exit through an angled swivel connector, reducing cable strain in compact enclosures. The plug-in connection allows straightforward cable attachment during installation. Standard bearings support the shaft without the additional capacity of a reinforced bearing arrangement.
Position feedback relies on inductive EnDat scanning that complies with version 2.1, providing digital transmission of position, temperature, and diagnostic data over one interface. The sensor has a 19-bit single-turn and 12-bit multi-turn resolution and tracks up to 4096 revolutions before rollover. A smooth shaft end permits connection to friction-locking hubs without requiring a keyway. The motor does not have a holding brake, so an external device must secure vertical loads when power is removed. Length code 4 identifies the magnetic stack depth associated with the EB03 winding set. The motor attaches to the machine through its flange face for stable alignment with the driven assembly. No oil seal is installed on the shaft, so the motor should not be exposed directly to lubricants that could enter around the shaft opening.
