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Product Description
The ABB ACS550-CC-038A-4 is a robust and reliable general purpose drive designed for a broad spectrum of industrial applications. This drive delivers precise motor control with its advanced sensorless vector control technology, ensuring optimal performance and energy efficiency. It features a compact design for easy installation and integration into existing systems, along with a user-friendly interface for simplified programming and operation. The ACS550-CC-038A-4 offers comprehensive protection features, safeguarding the motor and drive from faults and overloads, guaranteeing extended operational lifespan. It is a dependable solution for demanding environments, providing consistent and accurate speed and torque control for various motor-driven equipment.
Is Your Device Showing These Signs?
ABB ACS550-CC-038A-4 drives commonly exhibit faults related to DC bus overvoltage or undervoltage, requiring inspection of input power and braking resistors. Overcurrent trips are frequently traced to shorted or degraded IGBTs within the inverter section; replace the affected power module. Communication failures on the control board necessitate verification of Ethernet or fieldbus connections and potential firmware updates. Capacitor bank degradation leads to ripple voltage issues; replace the capacitor bank to restore optimal performance. Parameter corruption in the drive's memory causes erratic motor control; reload the default parameters and reconfigure the drive.
Technical specifications
The ABB ACS550-CC-038A-4 is a robust, cabinet-built AC drive designed for demanding industrial applications requiring precise motor control and energy optimization. This drive features a power rating of 18.5 kW (25 hp) at 400V, with a continuous current rating of 38 Amps, and is engineered for operation in environments up to 50C without derating. It incorporates advanced motor control algorithms, including sensorless vector control, ensuring accurate speed and torque regulation across a wide speed range. The ACS550-CC-038A-4 includes integrated EMC filters and braking chopper, minimizing installation costs and footprint. It supports a variety of fieldbus communication protocols, such as Modbus RTU and Ethernet, facilitating seamless integration into existing automation systems. The drive is equipped with a user-friendly control panel for easy programming, monitoring, and diagnostics, ensuring reliable and efficient operation.
Our Repair Process for the
ACS550-CC-038A-4
Our repair process for ABB ACS550-CC-038A-4 drives begins with a thorough fault diagnosis, focusing on common issues such as DC bus voltage anomalies, overcurrent trips, communication failures, capacitor bank degradation, and parameter corruption. Address DC bus overvoltage or undervoltage faults by inspecting the input power and braking resistors. Rectify overcurrent trips by replacing any shorted or degraded IGBTs within the inverter section's power module. Resolve communication failures by verifying Ethernet or fieldbus connections and updating the firmware as needed. Restore optimal performance by replacing the capacitor bank when ripple voltage issues arise from capacitor bank degradation. Correct erratic motor control caused by parameter corruption by reloading the default parameters and reconfiguring the drive.
Your Guarantee: Warranty & Lifetime Support
Your satisfaction is our top priority, and we confidently stand behind the quality of our repairs. That's why every repair service is covered by our comprehensive 24-month warranty. Furthermore, we offer lifetime phone support – if you have questions or need assistance related to our repair down the road, we're here to help. Our service commitment is straightforward: we guarantee our work, and if you're not satisfied, we will make it right. Learn More about our Repair process.
Comprehensive Repairs You Can Depend On
We take immense pride in the quality and reliability of our work. Our process goes beyond simply fixing the immediate problem. We perform a comprehensive inspection of your main board (or other equipment) and proactively replace components known to be failure-prone or showing signs of potential future failure. Before any item is returned, it undergoes rigorous functional testing to ensure it meets performance specifications and operates flawlessly. Visit our main Repair Services page to learn more.
Save Significantly
Our primary goal is to save you hundreds, or even thousands, of dollars compared to the cost of new equipment replacement. By repairing existing components, we provide an economical solution that is also eco-friendly. At Roc Industrial, our commitment to integrity and community drives our consistent growth and ensures you receive a reliable, cost-effective solution.


Please Note: Roc Industrial operates as an independent service provider and is not an authorized distributor for the manufacturers or brands mentioned. Consequently, the original manufacturer's warranty is not applicable to items repaired or sold by us. Roc Industrial provides its own 2-year warranty on all repair services performed.
Buying Options
To receive a quote within 2 hours, please provide us with the details of your requirements. Our team will promptly review your request and send you a custom offer.

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