8LSA73.DB030S200-3 B & R Automation
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The B & R Automation 8LSA73.DB030S200-3 is a three-phase synchronous motor from the 8LS Synchronous Motors series, featuring a flange dimension of 190 mm and a rated speed of 3000 rpm. It has self-cooling with free air circulation and comes equipped with a standard holding brake and an inductive EnDat encoder. This motor has a smooth shaft end and uses a single-cable hybrid connection with a connector.
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Product Description:
The 8LSA73.DB030S200-3 is a three-phase synchronous motor produced by B&R Automation as part of the 8LS Synchronous Motors series. Developed for industrial automation, the unit provides controlled rotary motion for axes that require consistent speed regulation and closed-loop positioning. The 8LSA designation indicates a standard configuration without reinforced bearings. Its operating characteristics suit general material-handling, packaging, and light machining equipment. The synchronous design supports accurate response to drive commands during repeated acceleration, deceleration, and positioning cycles.
At a rated speed of 3000 rpm, the motor delivers nominal performance while remaining within its thermal limits. A flange diameter of 190 mm provides the interface to the machine frame, while length code 3 balances torque output with the overall housing depth. An integrated standard holding brake secures the shaft whenever power is removed, helping prevent load drift on vertical or indexing axes. Position feedback is provided by an inductive EnDat sensor that operates with EnDat version 2.2. The encoder has a native resolution of 19/12 bits for single-turn and multi-turn position data. It can track as many as 4,096 complete revolutions, allowing the drive controller to retain absolute position information across an extended operating range.
A single-cable hybrid connection routes power and feedback through one connector, reducing the amount of wiring required between the motor and drive. The unit relies on self-cooling with free air circulation, eliminating the need for an external blower. A mounting flange provides a rigid face-mount interface that supports stable alignment with the connected machine. The output uses a smooth shaft, which is suitable for direct-coupled clamping connections that do not require a keyway. The absence of an oil seal reduces shaft friction in applications that do not require additional sealing at the output. Product revision 3 identifies the applicable motor design revision for use with compatible B&R Automation control equipment.
