8LSC55.ee045ffgg-4 | B&R 18.1 Nm Servo Motor

Introduction to the B&R 8LSC55.ee045ffgg-4

When your application demands precise motion control and compact design, the 8LSC55.ee045ffgg-4 from B&R stands out. This three-phase synchronous servo motor is engineered for excellent dynamic characteristics and positioning precision. Its permanent-magnet, electronically commutated design ensures reliable operation in demanding industrial environments.

With a nominal torque of 18.1 Nm and a nominal speed of 4500 rpm, this motor handles high-performance tasks with ease. The motor's compact size and reduced weight make it ideal for space-constrained installations. Additionally, the externally fan-cooled design maintains consistent performance even under continuous load.

Key Features and Technical Specifications

The 8LSC55.ee045ffgg-4 offers a robust set of specifications that ensure reliable and efficient operation. Below are the core parameters:

• Nominal torque: 18.1 Nm
• Nominal speed: 4500 rpm
• Maximum torque: 60.0 Nm
• Maximum speed: 5000 rpm
• Nominal power: 8544 W
• Stall torque: 27.3 Nm
• Torque constant: 1.09 Nm/A
• Voltage constant: 65.97 V/1000 rpm
• Moment of inertia: 12.9 kg·cm²
• Mass (without brake): 1.00 kg

These specifications highlight the motor's high overload capacity and excellent controllability. The large stall torque ensures the motor can handle sudden load changes without compromising performance.

Applications and Use Cases

The 8LSC55.ee045ffgg-4 is well-suited for applications requiring precise positioning and dynamic response. Common use cases include robotics, packaging machinery, and material handling systems. Its compact design allows for easy integration into existing equipment, reducing overall footprint.

Furthermore, the motor's high torque density makes it ideal for direct-drive applications, eliminating the need for gearboxes. This reduces maintenance requirements and improves system efficiency. Whether you are upgrading an existing line or building a new machine, this motor provides the performance you need.

Installation and Setup

Proper installation is crucial for optimal performance. The 8LSC55.ee045ffgg-4 features a flange mounting per DIN 42948 Form A and a shaft end per DIN 748 Form E. Ensure the mounting surface is clean and flat to avoid misalignment.

For electrical connections, the motor uses a single-cable hybrid solution option, simplifying wiring and reducing installation time. Always follow the manufacturer's manual for detailed wiring instructions. Verify that the cooling fan is unobstructed to maintain proper airflow.

Maintenance and Reliability

Routine maintenance extends the life of your motor. Periodically inspect the cooling fan and ensure it operates without noise or vibration. The motor's IP64 protection rating guards against dust and water ingress, making it suitable for harsh environments.

Thermal protection is built-in via KTY83-110 / AM-PTC1000 sensors, preventing overheating. The insulation class F per IEC 60085 ensures long-term reliability. Regular inspection per the manufacturer's safety manual is recommended to maintain peak performance.

Compatibility and Integration

The 8LSC55.ee045ffgg-4 is designed to work seamlessly with B&R ACOPOS servo drives. The recommended drive model is the 034X series. This combination ensures optimal tuning and performance.

Feedback options include resolver or EnDat encoders, with safety-related variants available. The motor supports single-cable hybrid connections, reducing cabling complexity. For functional safety, STO (Safe Torque Off) is implemented via the ACOPOS drive, not the motor itself.

Environmental and Operating Conditions

The motor operates within an ambient temperature range of -15°C to +40°C, with a maximum of +55°C. Derating applies above 40°C (10% per 10 K) and above 1000 m elevation (5% per 1000 m). The maximum elevation is 2000 m.

Storage and transport temperatures range from -20°C to +60°C, with humidity up to 90% non-condensing. These specifications ensure reliable operation in various industrial settings.

FAQ about the 8LSC55.ee045ffgg-4

What is the nominal torque of the 8LSC55.ee045ffgg-4?

The nominal torque is 18.1 Nm, providing strong continuous torque for demanding applications.

What cooling method does this motor use?

It uses external fan cooling (IC4A0A6) with a machine-mounted independent fan component.

What feedback options are available?

Resolver or EnDat encoders are available, including safety-related variants for functional safety.

What is the maximum speed?

The maximum speed is 5000 rpm, allowing high-speed operation when needed.

Product Support and Availability

The 8LSC55.ee045ffgg-4 is available through Petro Auto Tech. As a trusted supplier of industrial automation parts, Petro Auto Tech ensures genuine products and reliable delivery. Contact Petro Auto Tech for current availability and lifecycle status before ordering.