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Siemens 6SL3120-2TE21-0AD0

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  • 2 Year Warranty
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Part Number6SL3120-2TE21-0AD0
TypeAC Drives
Model #6SL31202TE210AD0
Warranty2 Year
Rated VoltageDC 510 ... 720 V
Power supplyDC 24 V -15 % / +20 %
Max current0.90 A
DC-link current22.0 A
CoolingInternal air cooling
Ambient temp32 ... 104 °F
StandardsCE, cULus
ProtectionIP20 / UL open type

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 6SL3120-2TE21-0AD0 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 6SL3120-2TE21-0AD0 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 6SL3120-2TE21-0AD0, 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 : 9lbs

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  • Order within the next 17 hours and 57 minutes.
  • If you order between 4pm and 6pm EST, you will be charged a small rush fee.

Ask about exchanging your faulty 6SL3120-2TE21-0AD0 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 6SL3120-2TE21-0AD0 Overview

Technical Description: 6SL3120-2TE21-0AD0 Motor Module

The 6SL3120-2TE21-0AD0 is a versatile motor module designed to offer high performance and a wide range of functionalities for various motor control applications.

Rated Data:

Output Current:

  • For 24 V busbars: 2 x 12.0 A
  • For DC link busbars: 2 x 7.7 A
  • Base load current (IH): 22.0 A
  • Rated value (IN): 2 x 27.0 A
  • For S6 duty (40%) IS6: 20 A
  • Maximum Current (Imax): 100 A
  • DC-link current (Id):
    • Based on IH: 2 x 9.0 A
    • Based on IN: 2 x 4.8 kW
  1. DC Link Voltage: DC 510 ... 720 V
  2. Electronics Power Supply: DC 24 V -15% / +20% with a maximum current demand of 0.90 A.
  3. Rated Pulse Frequency: 4.00 kHz
  4. DC Link Capacitance: 220 µF
  5. Output Frequencies:
  • For Servo Control: 650 Hz
  • For Vector Control: 300 Hz
  • For V/f Control: 600 Hz

Ambient Conditions:

  1. Ambient Temperature: The module can operate between 0 to 40°C (32 to 104°F).
  2. Installation Altitude: The motor module can be installed up to an altitude of 1000 m (3281 ft) without any derating.
  3. Cooling: The module utilizes internal air cooling and requires a cooling air capacity of 0.009 m³/s.


  1. Motor Cable Length:
  • Shielded cables: Up to 50 m (164 ft)
  • Unshielded cables: Up to 75 m (246 ft)
  1. PE Connection: Comes with an M5 screw.
  2. Motor End Connector (X1, X2): Accepts conductor cross-sections ranging from 2 to 6 mm² (equivalent to 16 to 10 AWG).

Physical Specifications:

  1. Net Weight: The module weighs 4.7 kg (10.36 lb).
  2. Dimensions:
  • Height: 380.00 mm (14.96 in)
  • Depth: 270.00 mm (10.63 in)
  • Width: 50.00 mm (1.97 in)
  1. Degree of Protection: The module offers IP20 protection, qualifying it as a UL open type.
  2. Type of Construction: The motor module is designed in a booksize form factor, making it compact and suitable for a range of installations.

Compliance and Standards:

The 6SL3120-2TE21-0AD0 motor module complies with the highest safety and quality standards, ensuring reliable operation:

  1. Safety Integrated:
  • SIL 2 as per IEC 61508
  • PL d according to EN ISO 13849-1
  • Category 3 in compliance with EN ISO 13849-1
  1. Other Standards: The module also complies with CE and cULus standards, emphasizing its reliability and quality.

In conclusion, the 6SL3120-2TE21-0AD0 motor module is a robust and high-performance module that provides efficient motor control across various applications. Its compliance with international standards ensures safety and quality in every operation.

FAQ Section: 6SL3120-2TE21-0AD0 Motor Module

1. What is the primary application of the 6SL3120-2TE21-0AD0 motor module?

  • The 6SL3120-2TE21-0AD0 is designed for various motor control applications, suitable for both industrial and commercial settings.

2. What type of cooling does the module use?

  • The module uses internal air cooling.

3. Can I use the module above an altitude of 1000 m (3281 ft)?

  • The module is rated for installation up to an altitude of 1000 m (3281 ft) without any derating. For higher altitudes, derating may be required.

4. Are there any special requirements for the motor cables?

  • Yes, for shielded cables, the maximum length is 50 m (164 ft), and for unshielded cables, the maximum length is 75 m (246 ft).

5. What safety standards does the module comply with?

  • The module complies with SIL 2 as per IEC 61508, PL d according to EN ISO 13849-1, and Category 3 in compliance with EN ISO 13849-1.

6. Can the module operate in environments above 40°C (104°F)?

  • The optimal operating temperature is between 0 to 40°C (32 to 104°F). Operation above this temperature range might affect performance and longevity.

7. How does the "booksize" construction benefit installation?

  • The "booksize" construction means the module is designed to be compact, allowing for efficient use of space and facilitating easier installations in various settings.

8. What is the weight of the module?

  • The module weighs 4.7 kg (10.36 lb).

9. What kind of protection does the module offer?

  • The module offers IP20 protection, classifying it as a UL open type, which protects against touch by fingers and objects greater than 12mm but does not protect against liquids.

10. Is there a warranty or support service available for the motor module?

  • Warranty and support details may vary depending on the supplier and region. It's recommended to contact the local distributor or manufacturer representative for specific information.

11. Are there any additional accessories or components required for optimal performance?

  • The module is designed to be standalone for its functionalities. However, depending on the specific application, additional components or accessories might be required. Refer to the product manual or consult the manufacturer for more details.

12. Where can I find detailed documentation or user manuals for the module?

  • Detailed documentation and user manuals are usually provided with the product. Additionally, they can be downloaded from the manufacturer's official website or requested from local distributors.

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 6SL3120-2TE21-0AD0, 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 6SL3120-2TE21-0AD0 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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