Product Description
The Siemens 6SE6400-1PC00-0AA0 is a robust and reliable MICROMASTER 420 series frequency inverter designed for precise motor speed control in a variety of industrial applications. This inverter offers a power range suitable for motors up to a specified horsepower, delivering efficient and dependable performance. It features advanced vector control for enhanced motor control dynamics and sensorless current vector control for stable operation even with fluctuating loads. The integrated keypad and user-friendly interface ensure straightforward commissioning and parameterization. Comprehensive protection functions, including overcurrent, overvoltage, and overload protection, guarantee safe and continuous operation. The compact design and flexible installation options make the 6SE6400-1PC00-0AA0 an ideal solution for optimizing motor-driven systems.
Is Your Device Showing These Signs?
Siemens 6SE6400-1PC00-0AA0, a MICROMASTER 420 series inverter, commonly experiences issues such as IGBT failures, capacitor degradation leading to DC bus undervoltage faults, and keypad malfunctions affecting parameter configuration. Overcurrent trips are frequent due to motor insulation breakdown or incorrect V/Hz settings. Communication errors arise from faulty RS485 connections or corrupted firmware. Resolving these problems involves component replacement, parameter adjustments, and firmware updates to restore optimal drive performance.
Technical specifications
The Siemens 6SE6400-1PC00-0AA0 is a robust, compact, and highly efficient MICROMASTER 420 series frequency inverter designed for controlling the speed of three-phase asynchronous motors in a variety of industrial applications. This inverter accepts a single-phase 200-240V AC input voltage and delivers a three-phase 230V AC output, providing a continuous output current of 2.1 amps and a power rating of 0.37 kW (0.5 hp). It features sensorless vector control for precise motor control and high torque performance across a wide speed range. Integrated protection functions, including overvoltage, undervoltage, overcurrent, and short-circuit protection, ensure reliable operation and prevent damage to the motor and inverter. The 6SE6400-1PC00-0AA0 is configured and monitored via a user-friendly interface, supporting both parameterizable digital and analog inputs/outputs for seamless integration with existing control systems. Installation is simplified through its compact design and DIN rail mounting capability, making it suitable for diverse industrial environments.
Our Repair Process for the
6SE6400-1PC00-0AA0
Our repair process for the Siemens 6SE6400-1PC00-0AA0 begins with a comprehensive evaluation to pinpoint the fault. This involves rigorous testing of all components and circuits. Once the fault is identified, skilled technicians perform component-level repairs or replacements using only high-quality parts. Following the repair, the unit undergoes extensive functional testing under simulated operating conditions to ensure it meets original factory specifications. Finally, the repaired Siemens 6SE6400-1PC00-0AA0 is carefully cleaned, packaged, and returned with a detailed repair report.
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.

















