8LSA43.R2045D000-3 B & R Automation
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The B & R Automation 8LSA43.R2045D000-3 is a three-phase synchronous motor from the 8LS Synchronous Motors series, featuring a flange dimension of 100 mm and a rated speed of 4500 rpm. This motor uses resolver encoder technology and is self-cooled with free air circulation. It has an angled connector, a smooth shaft end, and a precision of 6 arcminutes.
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Product Description:
The 8LSA43.R2045D000-3 is a synchronous motor produced by B&R Automation and part of the 8LS Synchronous Motors series. It uses the standard 8LSA configuration, which does not include a reinforced bearing. The motor converts three-phase inverter current into precise rotary motion for indexing tables, pick-and-place heads, and other position-controlled axes in industrial automation. Its synchronous design allows the paired inverter to regulate speed and position accurately during repeated starts, stops, and reversals.
At its rated operating point, the motor reaches 4500 rpm, which is its highest continuous speed without derating. Thermal management uses self-cooling with free circulation, so heat is released directly to the surrounding air without external cooling hardware. A 100 mm square flange forms the mechanical interface, while a resolver provides sine-cosine feedback for closed-loop control. Bidirectional repeatability is held within 6 arcmin, which suits mid-precision assembly and handling tasks. This feedback arrangement supports stable speed regulation and consistent positioning during cyclic motion. The motor does not include a holding brake, so static holding torque must come from the drive. Length code 3 and product revision 3 indicate the motor version within this configuration.
Power and sensor conductors exit in an angled swivel orientation that simplifies cable routing in compact enclosures. A sealed industrial connector mates with the drive harness, and all installation loads are carried through a mounting flange that aligns the stator to the machine frame. Torque is transferred through a smooth shaft, which is suited for shrink-fit or clamp couplings. Because the motor is three-phase synchronous, the rotor field locks to inverter frequency for fast and smooth acceleration. The swivel outlet helps manage cable bend radius when the motor is mounted near guards or machine frames. The shaft is supplied without an oil seal, which reduces drag and suits clean installations where contamination is controlled.
Frequently Asked Questions about 8LSA43.R2045D000-3:
Q: What is the configuration of the 8LSA43.R2045D000-3 motor?
A: The 8LSA43.R2045D000-3 is a standard configuration motor without reinforced bearings.
Q: What is the connection direction for the 8LSA43.R2045D000-3?
A: This motor uses angled (swivel) connection for its cabling interface.
Q: What is the rated speed of the 8LSA43.R2045D000-3 motor?
A: The 8LSA43.R2045D000-3 has a rated speed of 4500 rpm.
Q: What mounting feature is included with the 8LSA43.R2045D000-3?
A: A mounting flange is available for this model, providing secure installation options.
Q: What type of encoder technology does the 8LSA43.R2045D000-3 use?
A: This model employs a resolver as its encoder technology.
