B&R 8LSA78.R2030D600-3 Synchronous Servo Motor

07 Jul, 2026
Posted by: Mehul Vadher

Condition: Used | Stock: In Stock

✓ 30-Day Warranty ✓ Free Shipping ✓ Technical Support

Introduction

Precision motion control is the backbone of modern industrial automation, and the B&R 8LSA78.R2030D600-3 Synchronous Servo Motor paired with the AB180-S2-P2 planetary gearbox represents one of the most capable high-torque servo solutions available for demanding industrial applications. Designed and manufactured by Bernecker + Rainer Industrie-Elektronik GmbH (B&R), this servo motor and gearbox combination delivers exceptional positioning accuracy, high dynamic response, and the robust mechanical durability required in continuous industrial operations.

Available now through Aeliya Marine Tech, this used servo motor assembly has been fully tested and verified for operational integrity. With a rated torque of 44 Nm at 3000 RPM, IP65 environmental protection, and Class F insulation, the 8LSA78 servo motor is ideally suited for applications ranging from CNC machine tools and packaging machinery to automated assembly systems and material handling equipment.

This comprehensive guide explores the technical specifications, key features, industrial applications, and configuration requirements for the B&R 8LSA78 servo motor and AB180 planetary gearbox assembly, providing automation engineers and maintenance professionals with the detailed information needed to evaluate this precision motion control solution.

Product Overview

The B&R 8LSA78.R2030D600-3 belongs to B&R's 8LS series of synchronous servo motors, designed specifically for use with B&R's ACOPOS servo drive family. The "R2030D600" designation specifies the motor configuration: keyway shaft, 44 Nm rated torque, 3000 RPM rated speed, with an absolute encoder. This particular variant includes a mounted AB180-S2-P2 planetary gearbox, transforming the high-speed, medium-torque motor output into a lower-speed, significantly higher-torque drive suitable for heavy-duty positioning and conveying applications.

The AB180-S2-P2 gearbox is a servo-grade planetary reduction gearbox with a 4:1 reduction ratio and exceptionally low backlash of just 5 arcminutes. The "S2" specification indicates the output shaft configuration, while "P2" denotes the precision class. Planetary gearboxes are the preferred choice for servo applications due to their compact design, high torque density, low backlash, and excellent efficiency characteristics.

Together, the motor and gearbox assembly delivers an impressive combination of speed, torque, and precision. The IP65 protection rating ensures reliable operation in dusty and wet industrial environments, while Class F insulation provides a thermal reserve that extends motor life under demanding duty cycles.

Technical Specifications

Parameter	Value
Product Model	8LSA78.R2030D600-3
Manufacturer	B&R Industrial Automation
Rated Current (In)	27 A
Rated Torque (Mn)	44 Nm
Rated Speed (Nn)	3000 RPM
Stall Current (Io)	52.1 A
Stall Torque (Mo)	85 Nm
Rated Voltage (Un)	400 V AC
Protection Class	IP65 (motor shaft sealed)
Insulation Class	Class F (155°C)
Gearbox Model	AB180-S2-P2
Reduction Ratio	4:1
Backlash	5 arcmin
Assembly Weight	80.2 Kg
Condition	Used, Fully Tested

Key Features & Benefits

High Torque Density: With a stall torque of 85 Nm and rated torque of 44 Nm at 3000 RPM, the 8LSA78 delivers substantial mechanical power from a relatively compact frame size, enabling space-efficient machine designs without sacrificing performance.Precision Planetary Gearbox: The AB180-S2-P2 gearbox provides a 4:1 speed reduction with only 5 arcminutes of backlash, delivering exceptional positioning accuracy for applications requiring precise angular control and repeatability.IP65 Environmental Protection: The motor's IP65 rating provides complete protection against dust ingress and low-pressure water jets, making it suitable for harsh industrial environments including food processing, metalworking, and outdoor applications.Class F Insulation System: The 155°C thermal rating of Class F insulation provides substantial thermal margin above typical operating temperatures, extending winding life and improving reliability under continuous duty cycle conditions.Absolute Encoder Feedback: The D600 encoder option provides absolute position feedback, eliminating the need for homing routines after power-on and improving machine cycle times in intermittent operation applications.400V Three-Phase Operation: The 400V rated voltage enables direct connection to standard industrial three-phase power supplies without requiring step-down transformers when used with compatible servo drives.Keyway Shaft Configuration: The R-type keyway shaft provides positive mechanical coupling to the gearbox input and driven equipment, preventing shaft slippage under high-torque conditions.UL Component Recognition: The E235396 file number indicates UL component recognition, simplifying the certification process for OEM machinery destined for North American markets.

Industrial Applications

CNC Machine Tool Axis Drives

The combination of high torque, low backlash, and precise position feedback makes the 8LSA78 servo motor assembly an excellent choice for CNC machine tool axis drives. The 4:1 gearbox reduction provides the high torque required for heavy cutting operations while maintaining the rapid traverse speeds needed for efficient machining cycles. The 5 arcmin backlash specification ensures accurate contouring during simultaneous multi-axis interpolation.

Automated Packaging Machinery

Packaging applications including carton erectors, case packers, palletizers, and form-fill-seal machines benefit from the servo motor's rapid acceleration characteristics and precise positioning capability. The absolute encoder enables immediate startup without homing sequences, maximizing packaging line throughput and minimizing changeover times between product formats.

Robotic Material Handling

Industrial robots and automated guided vehicles (AGVs) require servo drives that combine power density with precise trajectory control. The 85 Nm stall torque provides ample lifting capacity for medium-payload robotic arms, while the low-backlash gearbox ensures accurate end-effector positioning throughout the robot's work envelope.

Converting and Web Handling

In printing, laminating, slitting, and winding applications, the servo motor's smooth torque output and precise speed control are essential for maintaining proper web tension. The 3000 RPM rated speed provides sufficient velocity for high-speed converting lines, while the planetary gearbox can be used to match the motor speed to roller requirements.

Presses and Metal Forming

Stamping presses, bending machines, and metal forming equipment demand servo motors capable of delivering high peak torque for short-duration forming operations. The 8LSA78's 85 Nm stall torque and robust mechanical construction make it well-suited for these high-stress applications where reliability is paramount.

⚠ B&R 8LSA78 Servo Motor — Available Now

44Nm / 3000RPM servo motor with AB180 planetary gearbox. IP65, Class F, absolute encoder. Fully tested.

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Product Configuration & Setup

Proper configuration of the B&R 8LSA78 servo motor assembly is essential for achieving optimal performance and longevity. The motor is designed for use with B&R ACOPOS servo drives (such as the ACOPOSmulti or ACOPOS P3 series), which provide the precise current vector control needed for synchronous servo operation.

During drive commissioning, the motor's electronic nameplate (stored in the encoder) automatically configures critical parameters including rated current, torque constant, voltage constant, thermal time constants, and encoder resolution. This auto-configuration feature eliminates manual parameter entry and reduces commissioning time while preventing configuration errors.

The 4:1 gearbox ratio must be entered into the drive's motion control application to ensure correct speed and position scaling. The 5 arcmin backlash specification should be accounted for in applications requiring bidirectional positioning accuracy either through software backlash compensation or by restricting the application to unidirectional positioning when possible.

Motor cable selection must account for the 27A rated current, with appropriate wire gauge and shielding to minimize electromagnetic interference. B&R provides pre-assembled motor power and encoder cables specifically designed for the 8LS series. The IP65 rating is maintained only when all cable glands and shaft seals are properly installed and intact.

Frequently Asked Questions (FAQ)

Q: What servo drive is compatible with the B&R 8LSA78 motor?

A: The 8LSA78.R2030D600-3 is designed for use with B&R ACOPOS servo drives including ACOPOSmulti, ACOPOSmicro, and ACOPOS P3 series. These drives support the EnDat 2.1 absolute encoder interface used by the D600 encoder option. Auto-configuration through the electronic motor nameplate simplifies commissioning.

Q: Can the gearbox be removed from the motor for separate use?

A: The AB180-S2-P2 gearbox is factory-mounted to the motor and is not designed for field disassembly. The gearbox input is precisely aligned to the motor shaft, and separation would require specialized equipment to maintain concentricity. We recommend using the motor and gearbox as an integrated assembly.

Q: What does IP65 protection mean for this servo motor?

A: IP65 indicates the motor is completely protected against dust ingress (6) and protected against low-pressure water jets from any direction (5). This allows washdown cleaning and operation in dusty environments. Note that the IP65 rating applies only when all cable entries are properly sealed with approved cable glands.

Q: What is the significance of the 5 arcmin backlash specification?

A: Backlash is the angular play between input and output shafts when the direction of rotation reverses. At 5 arcminutes (approximately 0.083 degrees), the AB180 gearbox delivers precision-grade positioning accuracy suitable for CNC, robotics, and other applications requiring tight bidirectional repeatability.

Q: Does the used motor come with cables or accessories?

A: The used 8LSA78 motor assembly includes the motor with mounted gearbox only. Power cables, encoder cables, and mounting hardware are typically not included but may be available separately. Contact our sales team for cable recommendations compatible with your specific servo drive model.

External Technical Resources

For additional technical documentation and product information, consult these authoritative external resources:

B&R Industrial Automation — Official B&R website offering product documentation, software downloads, and technical support for servo motors and drives.
Servomotor — Wikipedia — Comprehensive technical overview of servo motor technology, control methods, and industrial applications.

Why Choose Aeliya Marine Tech

Aeliya Marine Tech is your trusted partner for industrial automation components, serving customers across manufacturing, power generation, marine, and process industries. We understand that equipment uptime is critical to your operations, and we are committed to delivering quality products and exceptional service:

Thorough Testing Protocol: Every servo motor undergoes electrical testing including insulation resistance, winding continuity, encoder feedback verification, and mechanical rotation checks before shipment.
30-Day Replacement Warranty: We stand behind every product with a 30-day warranty, providing peace of mind and protection against unexpected defects.
Competitive Lead Times: Our global logistics network enables fast delivery to customers worldwide, reducing your equipment downtime and maintenance scheduling delays.
Expert Technical Guidance: Our team can assist with servo motor selection, drive compatibility questions, and application engineering support to ensure you receive the right component for your needs.
Broad Product Portfolio: From servo motors and drives to PLC modules and sensors, we offer one-stop sourcing for your automation component requirements.

The B&R 8LSA78.R2030D600-3 Synchronous Servo Motor with AB180-S2-P2 Gearbox represents an outstanding value for precision motion control applications. Contact Aeliya Marine Tech today to discuss your requirements and secure this high-performance servo drive assembly.

B&R 8LSA78 Servo Motor — In Stock

44Nm / 3000RPM Synchronous Servo Motor with AB180-S2-P2 Planetary Gearbox — IP65, Class F, Absolute Encoder

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