Product Description
The ABB ACS550-CC-04A6-2+B055 is a robust and reliable component converter drive designed for demanding industrial applications. This drive provides precise motor control, ensuring optimal performance and energy efficiency. It features advanced control algorithms, comprehensive protection functions, and user-friendly programming for seamless integration into existing systems. The ACS550-CC-04A6-2+B055 delivers exceptional performance in a compact design, minimizing space requirements and installation costs. It is engineered for durability and long-term operation, reducing downtime and maintenance expenses. This converter drive is a dependable solution for various industrial processes, offering superior control and efficiency.
Is Your Device Showing These Signs?
ABB ACS550-CC-04A6-2+B055 drives commonly exhibit faults related to DC bus overvoltage or undervoltage, stemming from capacitor bank degradation or incoming power fluctuations. Current imbalance issues arise due to IGBT failures or gate driver circuit malfunctions, necessitating component replacement or board repair. Communication errors on the fieldbus, such as Modbus or Ethernet, often trace back to faulty communication modules or incorrect parameter settings, requiring configuration adjustments or hardware swaps. Overheating problems typically indicate fan failures, heatsink obstructions, or excessive load conditions, demanding cooling system maintenance or load reduction. Parameter corruption within the control board necessitates firmware reflashing or parameter restoration from backups to ensure proper motor control and drive functionality.
Technical specifications
The ABB ACS550-CC-04A6-2+B055 is a compact, general purpose AC drive designed for controlling the speed of three-phase induction motors in a variety of industrial applications. This drive accepts a 200-240V AC input voltage and delivers a continuous output current of 4.6 Amps, suitable for motors up to 1.5 kW (2 HP). It features sensorless vector control for precise motor control and high starting torque, along with integrated PID control for process automation. The drive includes a built-in EMC filter (C2 environment) to minimize electromagnetic interference and complies with global standards. Parameter setting is achieved through the integrated keypad or PC tools, enabling quick commissioning and diagnostics. The +B055 option designates an internal braking chopper, allowing for dynamic braking with an external braking resistor to dissipate regenerative energy.
Our Repair Process for the
ACS550-CC-04A6-2+B055
Our repair process for ABB ACS550-CC-04A6-2+B055 drives begins with a thorough diagnostic evaluation to pinpoint the fault's origin, whether it be DC bus voltage irregularities due to capacitor degradation or power fluctuations, current imbalances caused by IGBT or gate driver failures, communication errors stemming from module faults or parameter misconfigurations, overheating issues related to cooling system malfunctions or excessive loads, or parameter corruption within the control board. Component replacement, board-level repairs, configuration adjustments, hardware swaps, cooling system maintenance, load reduction, or firmware reflashing/parameter restoration are executed based on the diagnostic findings. Each repair concludes with rigorous testing under simulated operating conditions to guarantee the drive's performance and reliability, ensuring it meets or exceeds original factory specifications before it is returned.
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.

















