June 08, 2026

CR03550 Kollmorgen ServoStar CD Digital Servo Drive

The CR03550 is a compact, high‑performance digital servo drive from Kollmorgen’s ServoStar CD series, designed for precise motion control in multi‑axis industrial automation systems. Engineered for reliability, flexibility, and ease of integration, it delivers smooth, accurate control of synchronous and asynchronous servo motors in space‑constrained and high‑efficiency applications.

Description

CR03550 Kollmorgen ServoStar CD Digital Servo Drive

Overview

As a core member of the ServoStar CD platform, the CR03550 is a digital servo amplifier that converts control commands into precise motor motion. It supports both resolver and encoder feedback, enabling high‑resolution position, speed, and torque control. The drive integrates advanced safety features, versatile communication interfaces, and built‑in regenerative braking, making it suitable for demanding applications such as packaging machinery, assembly lines, printing equipment, and general industrial automation. Its compact form factor and robust construction ensure reliable operation in harsh industrial environments.

Key Specifications

Manufacturer: Kollmorgen (Danaher)
Model: CR03550 (ServoStar CD Series)
Continuous Output Current: 3 A
Peak Output Current: 6 A
Input Voltage: 115 / 230 VAC, single‑phase, 50/60 Hz
Feedback Support: Resolver, incremental encoder, absolute encoder
Safety Feature: Safe Torque Off (STO)
Communication Interfaces: SERCOS III, EtherCAT, CANopen, analog/pulse command
Braking: Integrated regenerative braking
Operating Temperature: 0°C to +45°C
Storage Temperature: -25°C to +70°C
Enclosure: Compact industrial casing, IP20 protection
Dimensions (W × H × D): Approximately 50 mm × 160 mm × 190 mm
Weight: Approximately 1.2 kg

Core Features

Compact High‑Density Design: The CR03550’s small footprint saves valuable cabinet space, ideal for multi‑axis systems and machines with limited installation area.
Precision Digital Control: Advanced digital signal processing ensures smooth, low‑ripple torque output, precise speed regulation, and accurate positioning for high‑performance motion tasks.
Multi‑Feedback Compatibility: Support for resolvers and various encoders allows flexible motor selection and adaptation to different application requirements.
Integrated Safety (STO): The Safe Torque Off function complies with international safety standards, providing reliable motor torque removal for enhanced machine safety.
Versatile Connectivity: Multiple industrial Ethernet and fieldbus options enable seamless integration with modern PLCs and motion controllers, supporting real‑time synchronization in multi‑axis systems.
Regenerative Braking: Built‑in regenerative braking efficiently recaptures energy during deceleration, reducing energy consumption and heat generation while improving cycle efficiency.
Robust Industrial Reliability: Designed for continuous operation in industrial environments, with protection against overvoltage, undervoltage, overcurrent, overtemperature, and short circuits.

Applications

The CR03550 is optimized for precise, multi‑axis motion control across industries:

Packaging and labeling machinery
Automated assembly lines
Printing and converting equipment
Textile machinery
Robotics and handling systems
General industrial automation requiring compact, high‑accuracy servo control

Contact Info