Product Description
The Siemens 6SL3220-1YH20-1UF0 is a robust SINAMICS G120 power module designed for demanding industrial applications. This module delivers reliable motor control with a power rating suitable for a wide range of motor sizes. It features advanced control algorithms that ensure precise speed and torque regulation, optimizing performance and energy efficiency. Integrated safety functions provide secure operation and protect personnel and equipment. The module's compact design and user-friendly interface simplify installation and commissioning. It is built to withstand harsh environmental conditions, ensuring long-term reliability and minimal downtime. This power module is a dependable solution for variable speed drive applications.
Is Your Device Showing These Signs?
Siemens 6SL3220-1YH20-1UF0, a SINAMICS G120 Power Module, commonly presents issues such as IGBT failures necessitating module replacement, capacitor bank degradation leading to DC link undervoltage faults, and communication errors stemming from corrupted firmware or faulty PROFIBUS connections. Overcurrent trips are frequently traced to shorted motor windings or incorrect motor parameter configuration within the drive. Resolving these problems involves thorough diagnostics, component-level repairs, firmware updates, and meticulous parameter adjustments to ensure optimal performance and prevent future failures.
Technical specifications
The Siemens 6SL3220-1YH20-1UF0 is a SINAMICS G120 Power Module PM240-2, designed for versatile drive applications. This module operates at a voltage range of 380-480V 3AC +10/-20% with a power rating of 7.5 kW. It features an integrated brake chopper for controlled braking and energy dissipation. The PM240-2 module employs an internal air cooling system, ensuring reliable thermal management. It is engineered for connection to a CU250S-2 or CU240E-2 Control Unit via DRIVE-CLiQ, facilitating seamless communication and control within the SINAMICS drive system. The module provides a robust solution for variable speed control of three-phase induction motors, delivering efficient and precise motor operation in industrial environments.
Our Repair Process for the
6SL3220-1YH20-1UF0
Our repair process for the Siemens 6SL3220-1YH20-1UF0 begins with a comprehensive diagnostic evaluation to pinpoint the failure. Following diagnostics, a detailed repair plan is formulated, outlining the necessary component replacements and procedures. Skilled technicians then execute the repair, utilizing only verified, high-quality replacement parts. Post-repair, the unit undergoes rigorous testing under simulated operating conditions to ensure it meets or exceeds original performance specifications. Finally, the repaired Siemens 6SL3220-1YH20-1UF0 is carefully packaged and returned with a full warranty covering the repair.
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.

















