Siemens 6SL3120-1TE21-8AA3

Siemens 6SL3120-1TE21-8AA3 SINAMICS S120 Single Motor Module – High-Performance AC Drive Solution

The Siemens 6SL3120-1TE21-8AA3 is a robust and high-performance AC drive module engineered as part of the SINAMICS S120 drive system. Specifically designed for demanding industrial applications, this single motor module operates within the 510–720 V DC voltage range and delivers a rated output current of 85 A. With a rated power capacity of 46 kW, this drive is ideal for precision motor control, high dynamic performance, and energy-efficient operation across a variety of industries.

Compact Booksize Format for Streamlined Integration

Built in the efficient "booksize" format, the 6SL3120-1TE21-8AA3 is optimized for installations where space is at a premium. This compact footprint allows multiple modules to be mounted side by side within a control cabinet without sacrificing thermal performance or accessibility. The unit's IP20 protection rating makes it suitable for clean, enclosed environments typically found in industrial control rooms or automation enclosures.

Advanced Control with SINAMICS S120 Architecture

This single motor module is an integral part of Siemens' SINAMICS S120 drive system—a modular platform that supports coordinated multi-axis and single-axis drives. It supports a wide range of motor control methods, including vector control and servo applications. With the ability to communicate via DRIVE-CLiQ, it easily connects to Siemens control units like the CU320-2 or SINUMERIK automation systems, enabling seamless system integration and parameter configuration.

Reliable Performance for Demanding Applications

Designed to meet the performance and reliability expectations of modern automation systems, the 6SL3120-1TE21-8AA3 supports precise speed and torque control even under dynamic load conditions. With a built-in power rating of 46 kW and support for high-speed operation, it is ideal for machine tools, material handling systems, packaging machines, and other motion control tasks that require responsive motor performance and high productivity.

Availability, Warranty, and Support from MRO Electric

This Siemens single motor module is available immediately from MRO Electric and Supply, making it a fast solution for urgent repair or upgrade needs. It comes with a 2-year warranty, offering peace of mind and assurance of quality. MRO Electric also provides expert support for installation, configuration, and troubleshooting.

Frequently Asked Questions

What is the rated power output of the Siemens 6SL3120-1TE21-8AA3?

The drive module has a rated power output of 46 kW, suitable for medium to high-demand motor applications.

What kind of motor control is supported by this drive?

The module supports vector control, servo control, and V/f control within the SINAMICS S120 platform.

Is the 6SL3120-1TE21-8AA3 suitable for multi-axis control?

Yes, it integrates easily with CU control units for multi-axis and coordinated motion applications.

What is the voltage input range?

It operates on a DC input voltage range of 510 to 720 V.

What level of protection does the unit offer?

It has an IP20 protection rating, designed for cabinet installations in clean environments.

Does this module support regenerative braking?

When paired with appropriate SINAMICS line modules or regenerative units, regenerative braking is supported.

Can I use this module with a SINUMERIK CNC system?

Yes, it's fully compatible with SINUMERIK CNC platforms through DRIVE-CLiQ communication.

What is the form factor of this motor module?

It uses the booksize format, designed for compact and side-by-side cabinet mounting.

How long is the warranty when purchased from MRO Electric?

A full 2-year warranty is provided, covering defects in material and workmanship.

Is this part available for immediate shipping?

Yes, MRO Electric offers immediate availability, making it an excellent option for urgent replacement needs.

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 sales@mroelectric.com, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 6SL3120-1TE21-8AA3, 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 6SL3120-1TE21-8AA3 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.