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Siemens 6SL3120-2TE21-0AA3

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Part Number6SL3120-2TE21-0AA3
TypeAC Drives
Model #6SL31202TE210AA3
Warranty2 Year
Input600 V DC
Output400 V 3 AC
Cooling Internal air cooling

Our Repair Services

MRO Electric repairs CNCs, PLCs, Servo/Spindle Drives, Motors, Amplifiers, VFDs, HMIs, and more, most of which can be repaired in only 3-5 days.

Repair Benefits

MRO can restore your failed 6SL3120-2TE21-0AA3 to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.

Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.

Our technicians have vast experience with most manufacturers and models. In addition to this 6SL3120-2TE21-0AA3 we also repair a wide range of other Siemens products, so if you don’t see the model you need, please contact us.

Core Exchange

If you are interested in getting credit for your faulty 6SL3120-2TE21-0AA3, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.

  • Shipping Weight : 5lbs

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Ask about exchanging your faulty 6SL3120-2TE21-0AA3 for credit when ordering from MRO Electric

MRO Electric provides a 2-year warranty on every item we sell and repair. We stand behind all of our products and guarantee them for the full 2 years. If there is an issue with any of our products within the warranty period, we will evaluate the unit and repair or replace it under warranty.

Siemens 6SL3120-2TE21-0AA3 Overview


The Part Number 6SL3120-2TE21-0AA3, manufactured by Siemens, represents an advanced AC Drive tailored for industrial applications. With its robust design and high-performance capabilities, it serves as a vital component in various industrial setups.

Input and Output:

Designed to handle high voltages, this AC Drive operates with an input of 600 V DC, making it suitable for demanding industrial environments where power requirements are significant. It provides an output of 400 V AC, delivering three-phase power to drive connected machinery and equipment effectively.

Construction and Cooling:

Featuring a Booksize construction, the 6SL3120-2TE21-0AA3 is compact yet powerful, optimizing space utilization in control cabinets and industrial installations. Internally cooled, it utilizes air-cooling mechanisms to maintain optimal operating temperatures, ensuring reliable performance even under heavy load conditions.

Cable Compatibility:

Equipped with DRIVE-CLiQ compatibility, this AC Drive seamlessly integrates with Siemens' DRIVE-CLiQ system, enabling easy and efficient communication with other components in the system. This ensures streamlined setup and operation, enhancing overall system performance and efficiency.


The 6SL3120-2TE21-0AA3 finds wide-ranging applications across various industries where precise control and efficient operation of machinery and equipment are crucial. From manufacturing plants to industrial automation setups, it serves as a vital component in driving motors, pumps, conveyors, and other machinery, contributing to optimized production processes and increased productivity.

Integration and Control:

Thanks to its compatibility with Siemens' ecosystem of automation and control solutions, this AC Drive seamlessly integrates with existing Siemens systems, offering enhanced interoperability and control capabilities. Whether used standalone or as part of a larger automation system, it provides flexible control options and advanced functionality to meet the diverse needs of industrial applications.

Efficiency and Reliability:

Engineered for efficiency and reliability, the 6SL3120-2TE21-0AA3 delivers consistent performance while minimizing energy consumption and reducing downtime. Its advanced control algorithms and robust construction ensure stable operation even in harsh industrial environments, contributing to increased uptime and reduced maintenance costs.

Safety and Compliance:

Compliant with industry standards and regulations, this AC Drive incorporates safety features and protective measures to ensure the safety of personnel and equipment. From overload protection to fault detection mechanisms, it prioritizes safety without compromising on performance, providing peace of mind in demanding industrial environments.


Q: What is the purpose of an AC drive like the 6SL3120-2TE21-0AA3?

A: AC drives are used to regulate the speed and torque of AC electric motors, allowing precise control over motor operation in various industrial applications. They help improve energy efficiency, enhance process control, and extend the lifespan of motor systems.

Q: What input voltage does the 6SL3120-2TE21-0AA3 support?

A: The 6SL3120-2TE21-0AA3 operates with an input voltage of 600 V DC, converting this power into a 400 V 3-phase AC output suitable for driving motors in industrial machinery and processes.

Q: How does the cooling system work in the 6SL3120-2TE21-0AA3?

A: The AC drive utilizes internal air cooling mechanisms to dissipate heat generated during operation. This cooling system ensures optimal performance and reliability of the drive components, eliminating the need for additional external cooling devices.

Q: What is DRIVE-CLiQ, and why is it important in the 6SL3120-2TE21-0AA3?

A: DRIVE-CLiQ is a specialized cable interface developed by Siemens for seamless communication between drive components and peripherals. It ensures reliable data exchange, precise control, and easy integration with other Siemens automation systems, enhancing system interoperability and compatibility.

Contact Us Today For More Information About Siemens Products

Check out the rest of our Siemens product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 6SL3120-2TE21-0AA3, take a look at more from our AC Drives line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 6SL3120-2TE21-0AA3 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.

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