Product Description
The ABB ACS580-0P-077A-4+B056+J429+K491 is a robust and versatile general purpose drive designed for a wide array of industrial applications. This specific model is rated for 77 Amps and operates on a 380-480VAC, 3-phase power supply, delivering reliable motor control for pumps, fans, conveyors, and mixers. It features a user-friendly interface with an intuitive control panel for straightforward programming and monitoring. Integrated safety features, including Safe Torque Off (STO), ensure operational safety and compliance with industry standards. The +B056 designation confirms the inclusion of an EMC filter for enhanced electromagnetic compatibility, while +J429 indicates coated circuit boards for increased resilience in harsh environments. Furthermore, +K491 specifies the inclusion of an I/O extension module, expanding the drive's connectivity and control capabilities for complex automation systems.
Is Your Device Showing These Signs?
ABB ACS580-0P-077A-4+B056+J429+K491 drive failures commonly involve DC bus capacitor degradation, resulting in overvoltage faults and reduced drive lifespan. IGBT failures are frequent due to thermal stress and overcurrent events, necessitating replacement. Control board issues manifest as communication errors, parameter corruption, or unresponsive operation, often requiring firmware reflashing or component-level repair. Cooling fan malfunctions cause overheating, triggering thermal faults and potentially damaging internal components; fan replacement is essential. Parameter configuration errors lead to improper motor control and performance issues, demanding a thorough review and correction of settings.
Technical specifications
The ABB ACS580-0P-077A-4+B056+J429+K491 is a wall-mounted, IP21-rated, general purpose AC drive designed for controlling a wide array of industrial applications. This drive operates on a 380-480V, three-phase power supply and delivers a continuous current of 77A, suitable for motors up to 45kW (60 hp). Standard features include sensorless vector control, integrated Safe Torque Off (STO) functionality, and an EMC filter for compliance with stringent emission standards. The +B056 option provides a coated circuit board, enhancing resilience in harsh environments. Option +J429 enables an external keypad connection, facilitating remote operation and monitoring. The +K491 option provides a Modbus TCP/IP adapter, enabling seamless integration into existing automation systems and offering advanced communication capabilities for comprehensive process control and diagnostics.
Our Repair Process for the
ACS580-0P-077A-4+B056+J429+K491
Our repair process for ABB ACS580-0P-077A-4+B056+J429+K491 drives begins with a comprehensive diagnostic evaluation to pinpoint the failure. If DC bus capacitor degradation is identified, capacitors are replaced with new, high-quality components. IGBT failures result in the immediate replacement of the faulty IGBT modules. Control board issues are addressed through firmware reflashing, component-level repair, or complete board replacement, as dictated by the nature of the fault. Cooling fan malfunctions necessitate fan replacement to restore proper thermal management. Parameter configuration errors require a meticulous review and correction of all settings to ensure optimal motor control and performance.
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.

















