Evaluating the B&R 8LSC53.ee030ffgg-4 for Your Motion Control Needs
When selecting a servo motor for demanding automation tasks, engineers must balance dynamic performance, precision, and physical constraints. The B&R 8LSC53.ee030ffgg-4 is a three-phase synchronous servo motor designed to meet these challenges. This guide helps you evaluate its specifications against your application requirements, focusing on performance, integration, and operational considerations.
As a permanent-magnet, electronically commutated motor, the 8LSC53.ee030ffgg-4 delivers excellent dynamic characteristics and positioning precision. Its compact size and reduced weight make it suitable for installations where space is limited. The motor also features a large overload capacity and optimized torque rippling, which contributes to good controllability in various industrial processes.
Key Technical Specifications of the 8LSC53.ee030ffgg-4
Understanding the motor's core parameters is essential for proper sizing and application. The table below summarizes the primary electrical and mechanical data from the manufacturer's documentation.
| Parameter | Value |
|---|---|
| Nominal speed (nN) | 3000 rpm |
| Number of pole pairs | 5 |
| Nominal torque (Mn) | 12.1 Nm |
| Nominal power (PN) | 3798 W |
| Nominal current (IN) | 7.4 A |
| Stall torque (M0) | 15.6 Nm |
| Stall current (I0) | 9.6 A |
| Maximum torque (Mmax) | 30.0 Nm |
| Maximum current (Imax) | 27.9 A |
| Maximum speed (nmax) | 5000 rpm |
| Torque constant (KT) | 1.63 Nm/A |
| Voltage constant (KE) | 98.44 V/1000 rpm |
| Stator resistance (R2ph) | 1.33 Ohm |
| Stator inductance (L2ph) | 15.7 mH |
| Electrical time constant (tel) | 11.8 ms |
| Thermal time constant (ttherm) | 38 min |
| Moment of inertia (J) | 6.8 kg·cm² |
| Mass (without brake) | 10.60 kg |
| Holding torque of brake (MBr) | 15 Nm |
| Brake mass | 1.40 kg |
| Moment of inertia of brake (JBr) | 1.66 kg·cm² |
| Cable cross-section | 0.75 mm² |
| Recommended servo drive (ACOPOS) | 013X |
The motor's high overload capacity, indicated by the maximum torque of 30.0 Nm versus nominal 12.1 Nm, allows it to handle peak loads without oversizing. The low moment of inertia (6.8 kg·cm²) contributes to rapid acceleration and deceleration, essential for high-cycle applications.
Application Scenarios: Where the 8LSC53.ee030ffgg-4 Excels
The 8LSC53.ee030ffgg-4 is well-suited for applications requiring precise motion control and compact design. Typical use cases include packaging machinery, where its dynamic response ensures accurate product placement. In material handling systems, the motor's high torque density supports efficient operation even with varying loads.

Another common application is in printing and converting equipment, where consistent torque and speed regulation are critical for print quality. The motor's single-cable (hybrid) solution option simplifies wiring and reduces installation time, which is beneficial in multi-axis machines. Additionally, the availability of encoders for functional safety enhances its suitability for safety-related applications.
Integration and Compatibility Considerations
For seamless integration, the 8LSC53.ee030ffgg-4 is designed to work with B&R's ACOPOS servo drives, specifically the 013X series. This pairing ensures optimal performance and simplifies commissioning. The motor supports resolver or EnDat feedback systems, including safety-related variants, providing flexibility in control architecture.
The motor's cooling method is externally fan-cooled (IC4A0A6), with a machine-mounted independent fan component. This design allows for continuous operation (S1 duty) per EN 60034-1. The insulation class is F (IEC 60085), and thermal protection is provided via KTY83-110 or AM-PTC1000 sensors, with a maximum winding temperature of 155 °C.
Environmental and Mounting Specifications
When installing the motor, consider its environmental ratings. The operating temperature range is -15 to +40 °C, with a maximum of +55 °C, and derating applies at higher temperatures and altitudes (10% per 10 K and 5% per 1000 m). The maximum elevation is 2000 meters. The motor has an IP64 protection rating per EN 60034-5, with the fan rated IP20 (IP65 with optional oil seal).

Mounting configurations follow EN 60034-7 standards, including IM 3001 horizontal, IM 3011, and IM 3031. The flange and shaft dimensions conform to DIN 42948 Form A and DIN 748 Form E, respectively. These standardized interfaces ensure compatibility with a wide range of mechanical components.
Frequently Asked Questions
What is the maximum speed of the 8LSC53.ee030ffgg-4?
The maximum speed is 5000 rpm, while the nominal speed is 3000 rpm. This range allows for flexible operation across various speed requirements, but always consider the load torque and thermal limits.
Can the 8LSC53.ee030ffgg-4 be used with third-party drives?
While the motor is optimized for B&R ACOPOS drives (recommended 013X), it may be compatible with other drives that support the appropriate feedback and commutation signals. However, for guaranteed performance and safety, we recommend using B&R drives. Consult the manufacturer's documentation for specific compatibility details.
What feedback options are available for this motor?
The motor supports resolver (R0/R2) or EnDat (inductive/optical) feedback systems, including safety-related variants. This flexibility allows you to choose the feedback type that best matches your control system and safety requirements.
Does the motor come with a brake option?
Yes, the motor can be equipped with a holding brake. The brake has a holding torque of 15 Nm and adds 1.40 kg to the motor mass. This is useful for vertical axes or applications requiring safe stopping when power is removed.
Why Choose AutoDCSTech for Your Automation Parts
AutoDCSTech is a reliable supplier of industrial automation spare parts, including the B&R 8LSC53.ee030ffgg-4. We understand the importance of genuine components for system reliability and uptime. Our team can assist with product selection, availability, and ordering to ensure your operations run smoothly.
Contact AutoDCSTech today to check the current lifecycle status and availability of the 8LSC53.ee030ffgg-4. Our experts are ready to provide the support you need for your motion control projects.
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