top of page
Main Image.png

ABB 620021

ABB

Relay

S200

620021

ISO 9001:2015 Certified Quality

Our certified process ensures consistent quality and reliable repairs every time.

2-Year Repair Warranty

We stand behind our repairs with an extensive 2-year warranty on parts and labor for your peace of mind.

Fast Turnaround Time

Our efficient process and large parts inventory help minimize your operational downtime.

Expert Component-Level Repair

We find and replace individual failed components, offering a more affordable and effective repair than full replacement.

Free, No-Obligation Quote

Send us your item for a free evaluation and receive a detailed repair quote with no commitment required.

Product Description

The ABB 620021 is a robust and reliable auxiliary contact block designed for seamless integration with ABB circuit breakers and contactors. This essential component ensures dependable switching performance, providing clear and immediate indication of the main device's operational status. It features a snap-on mounting design, guaranteeing quick and secure installation without the need for additional tools. The 620021 auxiliary contact block expands the functionality of your existing equipment, enabling enhanced control and monitoring capabilities within your electrical system. It is engineered for durability and long-term performance, meeting stringent industry standards and contributing to the overall safety and efficiency of your application.

Is Your Device Showing These Signs?

ABB 620021 failures often involve IGBT module degradation, requiring replacement to restore inverter functionality. Common problems include DC link capacitor ESR increases, leading to overvoltage faults and drive tripping. Encoder signal errors, stemming from faulty feedback devices or wiring, cause positioning inaccuracies. Control board component failures, such as op-amps or microcontrollers, result in communication loss and operational disruption. Resolving these issues ensures optimal performance and minimizes downtime.

Technical specifications

  • The ABB 620021 is a robust, high-performance programmable logic controller (PLC) designed for demanding industrial automation applications. This PLC features a powerful central processing unit (CPU) capable of executing complex control algorithms with deterministic performance. It offers a wide range of integrated communication interfaces, including Ethernet, PROFIBUS, and Modbus, facilitating seamless integration with various field devices and supervisory systems. The 620021 supports a modular I/O architecture, enabling flexible configuration and expansion to accommodate diverse application requirements. Programming is accomplished through IEC 61131-3 compliant languages, ensuring ease of use and code portability. The PLC is engineered for harsh environments, withstanding extreme temperatures, vibrations, and electromagnetic interference. Comprehensive diagnostic capabilities and built-in redundancy options guarantee high availability and minimize downtime.

Our Repair Process for the

620021

Our repair process for ABB 620021 failures begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the malfunction. This evaluation includes rigorous testing of the IGBT module, DC link capacitor, encoder feedback system, and control board components. Upon identifying the faulty component, we proceed with its replacement using only genuine ABB parts or approved equivalents. Following component replacement, the entire unit undergoes thorough functional testing under simulated operating conditions to verify complete restoration of performance and adherence to original specifications. Finally, a detailed report outlining the repairs performed and test results is provided, ensuring transparency and accountability.

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.

bottom of page