Product Description
The Siemens 6SL4112-0JA20-0BF0 is a robust and reliable SINAMICS G120 Power Module PM240-2 designed for demanding industrial applications. This power module operates at a voltage of 380-480V 3AC and delivers a substantial output current of 90A, ensuring ample power for connected motors. It features integrated braking chopper functionality for controlled deceleration and energy dissipation. The PM240-2 design guarantees efficient heat dissipation and dependable performance in harsh environments. This module is engineered for seamless integration with the SINAMICS G120 drive system, providing advanced control capabilities and diagnostic feedback. It is a crucial component for achieving precise and energy-efficient motor control in a wide range of industrial machinery.
Is Your Device Showing These Signs?
The Siemens 6SL4112-0JA20-0BF0, a SINAMICS G120 Power Module, commonly experiences issues related to IGBT failures, often resulting in F30005 or F30001 fault codes. Rectifier bridge failures and DC link capacitor degradation are also frequent problems, leading to overvoltage or undervoltage faults. Communication errors on the PROFIBUS interface, indicated by diagnostic alarms, require attention to cabling and parameter settings. Overheating due to inadequate cooling or blocked heat sinks causes thermal faults, necessitating fan replacement or heat sink cleaning. Resolving these issues restores optimal performance and extends the lifespan of the power module.
Technical specifications
The Siemens 6SL4112-0JA20-0BF0 is a SINAMICS G120 Power Module PM240-2, designed for demanding drive applications requiring precise motor control. This module operates within a voltage range of 380-480V 3AC +10/-20% and delivers a rated power output of 11 kW, with a corresponding rated current of 22 A. It incorporates an integrated braking chopper for dynamic braking operations and features an internal air cooling system to maintain optimal operating temperatures. The PM240-2 module is engineered for seamless integration with SINAMICS G120 Control Units via DRIVE-CLiQ interface, enabling advanced control functionalities and diagnostic capabilities. Safety Integrated functionality is standard, providing STO (Safe Torque Off) for enhanced safety in machine operation. This robust power module ensures reliable and efficient motor control in industrial environments.
Our Repair Process for the
6SL4112-0JA20-0BF0
Our repair process for the Siemens 6SL4112-0JA20-0BF0 begins with a comprehensive evaluation to pinpoint the fault and determine the extent of the damage. Following the evaluation, a detailed repair plan and firm quotation are provided for your approval. Upon approval, skilled technicians execute the repair using high-quality components and adhering to strict quality control standards. Rigorous testing is then performed to ensure the unit meets or exceeds original factory specifications. Finally, the repaired Siemens 6SL4112-0JA20-0BF0 is carefully packaged and shipped back to you, accompanied by a full repair report and warranty.
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.

















