Product Description
The Siemens 6SL3220-1YC26-1UB0 is a robust SINAMICS G120 Power Module designed for demanding drive applications. This module delivers reliable motor control with a rated power output, ensuring efficient operation across a range of industrial environments. It features advanced control algorithms for precise speed and torque regulation, contributing to enhanced machine performance and reduced energy consumption. Integrated safety functions provide secure operation and protect personnel and equipment. The module's compact design facilitates easy integration into existing systems, and its durable construction guarantees long-term reliability in harsh conditions. Comprehensive diagnostics and monitoring capabilities enable proactive maintenance and minimize downtime.
Is Your Device Showing These Signs?
Siemens 6SL3220-1YC26-1UB0 SINAMICS G120 power module failures often stem from IGBT module degradation, capacitor bank ESR increase, and gate driver circuit malfunction. Overcurrent faults, DC link undervoltage, and communication errors are typical symptoms. Repair focuses on replacing damaged IGBTs, reforming or exchanging DC link capacitors, and troubleshooting gate driver signals. Firmware corruption necessitates reflashing, and parameter inconsistencies require configuration verification against the original setup. Thermal management issues, such as fan failures and heatsink obstructions, contribute to component overheating and premature failure.
Technical specifications
The Siemens 6SL3220-1YC26-1UB0 is a SINAMICS G120C compact vector inverter designed for sophisticated drive applications. This high-performance drive features a power rating of 11 kW with a 380-480V 3 AC input voltage range and a current rating of 26 A. It supports sensorless vector control and closed-loop control with encoders, delivering precise speed and torque regulation. Integrated safety functions, including STO (Safe Torque Off), enhance machine safety. The unit offers comprehensive communication capabilities via PROFINET/Ethernet/IP, enabling seamless integration into automation systems. Its compact design facilitates space-saving installation, and the robust construction ensures reliable operation in demanding industrial environments. Parameterization and commissioning are streamlined through the SINAMICS Startdrive software, reducing engineering time and costs.
Our Repair Process for the
6SL3220-1YC26-1UB0
Our repair process for the Siemens 6SL3220-1YC26-1UB0 begins with a comprehensive diagnostic evaluation to pinpoint the failure. Following diagnostics, a detailed repair plan and firm quotation are provided for your approval. Upon approval, skilled technicians execute the repair using quality components and adhering to strict Siemens specifications. The repaired unit then undergoes rigorous functional testing under load to ensure optimal performance and reliability. Finally, the unit is carefully packaged and shipped back to you, accompanied by a detailed repair report and warranty documentation.
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.

















