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Siemens 6SL3040-0LA00-0AA1

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Part Number6SL3040-0LA00-0AA1
Model #6SL30400LA000AA1
Warranty2 Year
Rated supply V24 VDC
Rated current3.3 AMP
Control unitCU310 DP
Digital outputs24 VDC 0.5 A

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 6SL3040-0LA00-0AA1 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 6SL3040-0LA00-0AA1 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 6SL3040-0LA00-0AA1, 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.

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Ask about exchanging your faulty 6SL3040-0LA00-0AA1 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 6SL3040-0LA00-0AA1 Overview

The Siemens 6SL3040-0LA00-0AA1 is a control unit from the SINAMICS S120 series, designed to provide advanced control and efficient operation in various industrial applications. This control unit is equipped with a range of features and specifications that make it a reliable and versatile solution for motor control. In this article, we will explore the key characteristics and benefits of the Siemens 6SL3040-0LA00-0AA1. These products are manufactured in Germany and are designed for Automotive, aerospace, power generation, and electronics usage. They come with a 2-year warranty from MRO Electric. We also carry Controllers from other manufacturers such as FANUC and Yaskawa.


One of the notable features of this control unit is its wide operating temperature range of 0-55°C. This temperature range allows for reliable operation in diverse environments, including both indoor and outdoor applications. The ability to withstand higher temperatures ensures that the control unit can maintain optimal performance even in challenging industrial conditions.

The Siemens 6SL3040-0LA00-0AA1 operates on a 24 VDC power supply, making it compatible with standard industrial voltage levels. This allows for easy integration into existing electrical systems without the need for additional power supply modifications. The use of 24 VDC also ensures energy efficiency and reduces power consumption, contributing to overall cost savings.

In terms of current ratings, the control unit can handle a maximum current of 3.3 Amps. This rating indicates its capability to control motors with varying power requirements. Whether it's driving small motors or larger industrial machinery, the Siemens 6SL3040-0LA00-0AA1 provides precise control and reliable performance.

Additionally, the control unit has a current rating of 0.5 Amps. This lower current rating is suitable for controlling auxiliary components or performing specific tasks that require lower power consumption. It allows for efficient control and operation of smaller devices or subsystems within the overall industrial setup.


The Siemens 6SL3040-0LA00-0AA1 belongs to the SINAMICS S120 series, which is known for its advanced control capabilities. This control unit provides enhanced functionality and flexibility, allowing for easy customization and adaptation to specific application requirements. It supports various communication protocols, enabling seamless integration into different industrial networks and systems.

Furthermore, the Siemens 6SL3040-0LA00-0AA1 is designed to provide reliable and precise control over motor speed and torque. It offers advanced motor control algorithms and feedback mechanisms, ensuring smooth and efficient operation. The control unit is capable of implementing advanced control strategies, such as vector control or sensorless control, to achieve optimal motor performance and energy efficiency.

In conclusion, the Siemens 6SL3040-0LA00-0AA1 is a high-quality control unit from the SINAMICS S120 series, designed for precise motor control and efficient operation in industrial environments. With its wide operating temperature range, compatibility with a 24 VDC power supply, and current ratings of 3.3 Amps and 0.5 Amps, it provides flexibility and versatility for various motor control applications. The advanced control capabilities and support for different communication protocols make it a reliable and customizable solution. Whether it's driving small motors or larger industrial machinery, the Siemens 6SL3040-0LA00-0AA1 offers advanced control and efficient operation for improved productivity and energy savings.

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 6SL3040-0LA00-0AA1, take a look at more from our Controllers 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 6SL3040-0LA00-0AA1 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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I needed a special drive, found it, and I was quickly assisted by Joe Kaminski. Everything was exactly as it should be....


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