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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.


Product Description
The ABB ACS350-03E-01A9-4 is a robust and reliable general purpose drive engineered for precise motor control in a variety of industrial applications. This drive features advanced sensorless vector control, ensuring optimal performance and energy efficiency across diverse loads. It offers a compact design, simplifying installation and minimizing cabinet space requirements. The integrated EMC filter and braking chopper provide enhanced system protection and reduce external component needs. Parameter setting is straightforward through the intuitive control panel or PC tool, facilitating quick commissioning and diagnostics. This drive is a dependable solution for applications demanding accurate speed and torque control, such as conveyors, mixers, and pumps.
Is Your Device Showing These Signs?
ABB ACS350-03E-01A9-4 drives commonly exhibit faults related to DC bus overvoltage, IGBT failures, and capacitor degradation, leading to operational disruption. Parameter corruption within the firmware and issues with the control board, specifically the encoder interface, are frequent causes of malfunction. Cooling fan failures contribute to overheating and premature component aging, while communication errors on the Modbus RTU network disrupt external control. Resolving these issues involves component replacement, firmware reflashing, parameter reconfiguration, and thorough system diagnostics.
Technical specifications
The ABB ACS350-03E-01A9-4 is a compact, high-performance general purpose drive designed for machinery applications. This drive operates on a three-phase 200-240V AC power supply, delivering a continuous output current of 1.9 Amps and a power rating of 0.4 kW (0.5 hp). It features sensorless vector control, providing precise motor control and high torque capabilities across a wide speed range. Integrated functionalities include a built-in EMC filter (C3 environment), brake chopper, and Modbus RTU communication, simplifying installation and integration into automation systems. The drive is programmed via an intuitive control panel or PC tool, offering parameter setting, monitoring, and diagnostics. It is designed for panel mounting, ensuring a compact footprint and efficient thermal management. The ACS350-03E-01A9-4 provides reliable and energy-efficient motor control for applications such as conveyors, pumps, fans, and mixers.
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