Overview
The Rexroth QLC-1 servo amplifier (model ES-43-A8-1866) is a compact servo drive designed for motion control in industrial automation. As a used unit, this Rexroth servo amplifier provides a cost-effective solution for engineers and system integrators seeking to upgrade or repair existing motion control systems. The QLC-1 combines proven Bosch Rexroth engineering with compact form-factor design suitable for machinery control, robotics, and multi-axis positioning applications.
Key Features
- Compact servo amplifier design for space-constrained installations
- Precision servo motor control for smooth motion profiles and positioning accuracy
- Industrial-grade construction from Bosch Rexroth (proven motion control leader)
- Suitable for retrofit and repair of existing motion control systems
- Used/tested unit available for immediate deployment
Technical Specifications
Verify the following specifications with your system integrator or Bosch Rexroth technical support to ensure compatibility with your application:
- Model: ES-43-A8-1866 (QLC-1)
- Brand: Rexroth (Bosch Rexroth)
- Category: Servo Amplifier / Servo Drive
- Condition: Used
- Application: Industrial motion control, servo motor drive
Typical Applications
The Rexroth QLC-1 servo amplifier is commonly deployed in:
- Machine tool servo control (milling, turning, drilling)
- Robotic arm and multi-axis motion systems
- Packaging machinery and conveyor drive control
- Industrial automation retrofit and repair
- Positioning systems requiring smooth servo control
Compatibility & Replacements
Compatible With
- Bosch Rexroth servo motors and motion control systems
- Industrial automation control platforms using servo drive interfaces
- Legacy motion control systems requiring servo amplifier replacement
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The Rexroth ES-43-A8-1866 QLC-1 may serve as a replacement for compatible Rexroth servo amplifier configurations; exact cross-references should be confirmed with technical documentation or Rexroth support.
Works With
- Bosch Rexroth motion control software and engineering tools
- Industrial protocols commonly used in servo drive networks
- Standard servo motor and feedback encoder configurations














