8LSA53.DB030S800-3 B & R Automation
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The 8LSA53.DB030S800-3 is a three-phase synchronous motor with a rated speed of 3000 rpm and a standard holding brake. Manufactured by B & R Automation as part of the 8LS Synchronous Motors series, it features a flange dimension of 142 mm and uses an inductive EnDat encoder with multi-turn capability up to 4096 revolutions. The motor supports a single-cable hybrid connector and employs self-cooling with free air circulation.
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Product Description:
The 8LSA53.DB030S800-3 is a B&R Automation servo unit that belongs to the 8LS Synchronous Motors series. It is built as a three-phase device that delivers precisely regulated torque and speed to positioning tables, pick-and-place arms, and other motion axes found in automated production lines. The model follows the 8LSA configuration without reinforced bearings, keeping its size and inertia moderate while still meeting general-purpose motion requirements.
The motor employs a single-cable hybrid solution, so power conductors and encoder signals share one routed cable, reducing installation time and potential wiring errors. Feedback comes from an inductive EnDat sensor that operates with protocol version 2.2, supplying digital absolute position data to the drive controller. A mounting interface of 142 mm at the flange provides compatibility with standardized gearbox faces, and a rated speed of 3000 rpm supports mid-range spindle or conveyor duties. Self-cooling through free air circulation disperses heat without external fans, and a rear connector provides tool-free access for maintenance. The length code 3 stator stack forms the active magnetic section, while the standard 8LSA build retains the original bearing set for applications that do not impose excessive radial loads.
As a three-phase synchronous motor, the unit uses a rotor that locks magnetically to the rotating stator field, providing stable speed under variable loads. Position resolution reaches 19/12 bits, enabling high-resolution single-turn feedback and multi-turn tracking across 4,096 revolutions. A standard holding brake secures the shaft at rest, while the smooth shaft permits the use of backlash-free clamping couplings. An internal oil seal protects the front bearing from coolant and dust, helping preserve reliable rotation in demanding machine environments. The integral mounting flange simplifies installation in mechanical assemblies, and product revision 3 reflects incremental hardware updates made throughout the series.
