B&R 8LSAA4.D9045S200-3 Servo Motor

B&R 8LSAA4.D9045S200-3 Servo Motor

 

 

The B&R 8LSAA4.D9045S200-3 is a 3-phase synchronous servo motor from the B&R 8LS series, designed for high-precision motion control applications such as CNC machines, robotics, packaging systems, and automated production lines.

It works together with B&R ACOPOS / ACOPOSmulti servo drives to provide accurate position, speed, and torque control in closed-loop systems.

Key Specifications (verified)

• Model: 8LSAA4.D9045S200-3
• Brand: B&R (Bernecker + Rainer)
• Series: 8LS Synchronous Servo Motor
• Rated Speed: 4500 rpm
• Rated Torque: 2.8 Nm
• Stall Torque: 3.2 Nm
• Maximum Torque: 11.3 Nm
• Rated Power: ~1.3 kW class
• Rated Current: 2.89 A
• Max Speed: 7000 rpm
• Brake: 3.2 Nm holding brake (optional integrated)
• Encoder: High-resolution inductive multi-turn encoder (EnDat-type system)
• Cooling: Self-cooled (natural convection)
• Shaft: Smooth shaft industrial design
• Protection: Industrial IP-rated enclosure (machine-duty use)

Function (Simple Explanation)

This servo motor converts electrical energy into precise mechanical motion:

Servo Drive (ACOPOS / ACOPOSmulti)
↓
8LSAA4 Servo Motor
↓
Mechanical load (belt, gearbox, axis)
↑
Encoder feedback → ensures precise control

So it provides:

• High-precision positioning
• Stable low-speed torque
• Fast acceleration/deceleration
• Closed-loop motion control

Features & Advantages

• High dynamic response (fast acceleration performance)
• Compact servo motor design
• Accurate encoder feedback for positioning
• High torque-to-size ratio
• Optional holding brake for vertical axes
• Stable performance for continuous industrial duty
• Fully integrated into B&R motion ecosystem

Applications

• CNC machine tools
• Industrial robotics
• Packaging machinery
• Printing systems
• Assembly automation
• Material handling systems
• Multi-axis motion platforms