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Product Description
The ABB ACS355-03U-02A4-4+B063+N828 is a robust and versatile general purpose drive designed for machinery applications. This drive ensures precise motor control with its advanced sensorless vector control, enhancing performance and energy efficiency. It features a compact design for easy installation and commissioning, along with a user-friendly interface for simplified operation. The integrated Safe Torque Off (STO) functionality improves safety, while the built-in EMC filter minimizes electromagnetic interference. Parameter setting is streamlined through the drive's intuitive programming tools, and the included B063 option provides a brake chopper for dynamic braking applications. The N828 option enables fieldbus communication, allowing seamless integration into automation systems. This drive delivers reliable and efficient motor control for a wide range of industrial applications.
Is Your Device Showing These Signs?
ABB ACS355-03U-02A4-4+B063+N828 drives commonly exhibit faults related to DC bus overvoltage, IGBT failures, and capacitor degradation, leading to drive trips and operational downtime. Parameter configuration errors, specifically with motor parameters and PID loop tuning, cause instability and performance issues. Communication failures on the Modbus RTU or Ethernet interfaces, stemming from incorrect network settings or faulty communication modules, disrupt remote monitoring and control. Encoder feedback problems, often due to wiring issues or encoder malfunction, result in speed control inaccuracies. Overcurrent faults, triggered by excessive load or short circuits in the motor windings, necessitate immediate investigation and repair.
Technical specifications
The ABB ACS355-03U-02A4-4+B063+N828 is a compact and powerful general purpose AC drive designed for machinery applications. This drive features sensorless vector control, providing precise motor control across a wide speed range, and offers integrated Safe Torque Off (STO) functionality for enhanced safety. The unit accepts a three-phase 380-480V AC input and delivers a maximum output current of 2.4A, suitable for motors up to 1.1kW (1.5 hp). Integrated features include a built-in EMC filter (C3 environment), brake chopper, and pre-configured application macros for rapid commissioning. Option +B063 specifies an internal Modbus RTU communication interface, enabling seamless integration with automation systems. Option +N828 designates a coated circuit board, ensuring reliable operation in harsh environments with increased resistance to dust, humidity, and corrosive substances.
Our Repair Process for the
ACS355-03U-02A4-4+B063+N828
Our repair process for ABB ACS355-03U-02A4-4+B063+N828 drives begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the failure, addressing common issues such as DC bus overvoltage, IGBT failures, capacitor degradation, parameter configuration errors, communication failures, encoder feedback problems, and overcurrent faults. This evaluation includes a thorough inspection of all components, parameter verification, and communication interface testing. Upon identifying the fault, we proceed with component-level repairs or replacements using genuine ABB parts, followed by meticulous parameter reconfiguration and PID loop tuning to ensure optimal performance. Communication interfaces are then tested and corrected, encoder feedback is verified, and the drive undergoes rigorous testing under load conditions to validate its functionality and reliability. Finally, a detailed report outlining the repairs performed and test results is provided.
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.

Ships from Rochester, NY