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8LSA57.R2030D100-3 B & R Automation

The B & R Automation 8LSA57.R2030D100-3 is a three-phase synchronous motor from the 8LS Synchronous Motors series. It features a flange dimension of 142 mm, resolver encoder technology, and a rated speed of 3000 rpm. This motor comes self-cooled with free circulation, includes a shaft end with key, and uses an angled connector for electrical connection.

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Internal Product Review

The 8LSA57.R2030D100-3 is a B & R Automation three-phase synchronous motor with self-cooling for efficient thermal management. Resolver feedback and a 3000 rpm rated speed support accurate motion control and responsive operation. A keyed shaft and mounting flange make the unit a strong fit for dependable industrial servo installations.

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Product Description:

The 8LSA57.R2030D100-3 is a three-phase synchronous motor manufactured by B&R Automation for the 8LS Synchronous Motors series. Classified under the 8LSA configuration, it uses standard bearings and converts electrical energy from a compatible modular servo drive into controlled rotary motion. The motor can provide the torque required by conveyors, pick-and-place heads, tool changers, and other motion-controlled equipment on automated production lines. Its synchronous design supports precise regulation of shaft position, speed, and torque when paired with a suitable servo drive.

The motor has a rated speed of 3000 rpm, allowing the connected drive train to operate across a broad speed range. Thermal management relies on self-cooling through free air circulation, so ambient air passing over the frame removes heat without an auxiliary fan. Rotor position is measured by a resolver, which supplies durable feedback for closed-loop motion control in environments where electrical noise or vibration may be present. The housing has a flange dimension of 142 mm, providing a stable interface for rigid attachment to a gearbox or machine plate. An integrated mounting flange supports accurate alignment and helps maintain concentricity between the motor shaft and the driven equipment. Standard bearings support the rotating assembly during repetitive acceleration, deceleration, and positioning cycles.

Power and feedback cables connect through an angled swivel connector that can be rotated to improve cable routing and reduce strain in confined installation spaces. The motor has a positioning accuracy of 6 arcmin, making it suitable for indexing and controlled rotary applications that require consistent angular movement. It is supplied without a holding brake, so an external locking device or continuous motor torque is required when a stationary load must remain secured after power is removed. The motor uses a keyed shaft, which provides positive engagement with pulleys, gearboxes, or rigid couplings and helps prevent slippage during start-stop operation. The configuration has length code 7 and product revision 3. It does not include an oil seal, making it appropriate for installations where the shaft interface is not exposed to oil or other liquids.

Configuration Summary
8LSA: Standard, no reinforced bearing
Connection direction
Angled (swivel)
Connection Hardware
Connector
Connector Orientation
Radial
Cooling Principle
Self-cooling, free circulation
Designation
8LSA
Encoder Technology
Resolver
Encoder Type
Absolute 22-bit
Flange Dimension
142 (mm)
Holding Brake
Not Present
Insulation class
F
Length Code
7
Max installation altitude
2000m
Motor Type
Three-phase synchronous
Mounting Availability
Mounting flange
Oil Seal
Not Present
Peak Torque
12.8 Nm
Precision
6 arcmin
Product Revision
3
Protection Class
IP65
Rated Current
2.5 A
Rated Power
0.9 kW
Rated Speed
3000 (rpm)
Rated Torque
2.88 Nm
Shaft End
With key
Shaft service life
20,000 hours
Varnish
Black water based varnish
Voltage
400 VAC

Frequently Asked Questions about 8LSA57.R2030D100-3:

Q: What type of connection direction does the 8LSA57.R2030D100-3 motor offer?

A: The 8LSA57.R2030D100-3 motor features an angled (swivel) connector for its electrical connection.

Q: How is the 8LSA57.R2030D100-3 motor cooled during operation?

A: The 8LSA57.R2030D100-3 operates with self-cooling through free air circulation.

Q: What type of encoder technology is used in the 8LSA57.R2030D100-3 motor?

A: This model is equipped with resolver encoder technology for position feedback.

Q: What is the flange size for the 8LSA57.R2030D100-3 motor?

A: The 8LSA57.R2030D100-3 has a flange dimension of 142 millimeters.

Q: Does the 8LSA57.R2030D100-3 motor come with a holding brake?

A: A holding brake is not present on the 8LSA57.R2030D100-3 motor.

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