8LSA65.EB045D200-3 by B & R Automation

The 8LSA65.EB045D200-3 synchronous motor is produced by B&R Automation for the 8LS Synchronous Motors series. It is a three-phase unit intended to drive axes in industrial handling, packaging, and machining equipment where coordinated high-speed motion and repeatable positioning are required. The motor follows the 8LSA configuration, meaning it uses standard bearings without reinforcement, and it mounts directly through a flange for straightforward mechanical integration. Its role in an automation cell is to convert electrical energy from a servo inverter into precise rotary motion.

The connection port is oriented in an angled swivel position, and a standard connector carries power and feedback through a single plug. Output is delivered by a smooth shaft that mates with clamp or keyless couplings. The motor uses self-cooling with free air circulation, so heat leaves the housing without external fans or liquid loops. A flange dimension of 190 mm sets the bolt pattern, while length code 5 indicates the axial stack of the stator. For power-off holding, a standard holding brake keeps the axis fixed. Continuous operation up to 4500 rpm supports rapid indexing or spindle duties.

The signaling chain relies on an inductive EnDat encoder, and the protocol level is 2.1, giving bidirectional digital communication with the drive for position, diagnostics, and electronic nameplate data. Absolute resolution reaches 19/12 single-turn/multi-turn bits, and the readhead memory tracks up to 4096 multi-turn revolutions of shaft travel, eliminating the need for battery backup after power is removed. The design omits an oil seal to minimize drag, so the shaft area must be protected from fluid ingress during installation and operation. Internal electronics correspond to product revision 3, reflecting updated component sets compatible with newer servo inverters.