8LSA55.DB030S200-3 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The 8LSA55.DB030S200-3 is a three-phase synchronous motor produced by B & R Automation as part of the 8LS Synchronous Motors series. It features a flange dimension of 142 mm and a rated speed of 3000 rpm, with self-cooling using free circulation. The motor includes a standard holding brake and uses inductive EnDat encoder technology with multi-turn capability up to 4096 revolutions.
Internal Product Review
The 8LSA55.DB030S200-3 is a B & R Automation three-phase synchronous motor built for reliable servo performance. Inductive EnDat 2.2 feedback and a 3000 rpm rated speed support accurate, responsive axis control. A single-cable hybrid connection and standard holding brake make the package especially attractive for clean machine integration.
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Product Description:
B & R Automation manufactures the 8LSA55.DB030S200-3 as part of the 8LS Synchronous Motors series. It is a three-phase synchronous motor intended to deliver controlled rotary motion to machine axes and material-handling equipment in automated cells. The motor works with B & R drive electronics to position loads accurately during speed-controlled and position-controlled operation. Its integrated power, feedback, and braking features also help keep machine wiring organized and provide the functions needed for coordinated motion.
Mechanical integration is based on a flange with a 142 mm mounting interface, allowing the motor to connect directly to compatible gear reducers or machine frames. Power, feedback, and brake conductors exit through a single-cable hybrid connector, reducing the number of cable routes required between the motor and control cabinet. The stator uses self-cooling with free air circulation, which disperses heat through the housing without an external blower or liquid-cooling circuit. Under nominal drive parameters, the rotor reaches a rated speed of 3000 rpm, making it suitable for midrange feed drives and packaging spindles. A standard holding brake is mounted on the shaft extension to secure vertical or inertially loaded axes when drive power is removed.
For position feedback, the motor uses an inductive EnDat sensor that communicates through the EnDat 2.2 protocol. The feedback system provides a 19/12-bit resolution, supporting fine position measurement within one turn and position tracking across multiple turns. A smooth shaft minimizes runout and accepts clamp-style couplings without requiring a keyway, which can help reduce mechanical backlash at the connection. The encoder tracks position through 4,096 revolutions across multiple turns, allowing the controller to retain the axis reference over long travel ranges after a power interruption. Absolute feedback eliminates the need to establish the position from an incremental count each time the machine starts, while the inductive sensing method supports consistent rotor-position measurement during operation.
