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Siemens 6SE6440-2UD25-5CA1

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Part Number6SE6440-2UD25-5CA1
Model #6SE64402UD255CA1
Warranty2 Year
Number of phases3 AC
Line voltage380 ... 480 V ±10 %
Line frequency47 ... 63 Hz
Rated current (LO)17.30 A
Rated current (HO)15.60 A
Number of phases3 AC
Rated voltage480 V
Rated power (LO)7.50 kW / 10.00 hp
Rated power (HO)5.50 kW / 7.50 hp
Rated current (LO)19.00 A
Rated current (HO)13.20 A
Pulse frequency4000 Hz
Output frequency for V/f control0 ... 650 Hz
Degree of protectionIP20
Net weight5.50 kg
Width185.0 mm
Height245.0 mm
Depth195.0 mm
Standard digital inputs
Relay output
Analog inputs
Analog outputs
PTC/ KTY interface

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 6SE6440-2UD25-5CA1 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 6SE6440-2UD25-5CA1 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 6SE6440-2UD25-5CA1, 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 : 11lbs

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Ask about exchanging your faulty 6SE6440-2UD25-5CA1 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 6SE6440-2UD25-5CA1 Overview

Siemens 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 HMIs from other manufacturers such as FANUC and Yaskawa.

Siemens 6SE64402UD255CA1 MM440 Drive 

The 6SE64402UD255CA1 is a top-of-the-line drive manufactured by Siemens, a global leader in industrial automation and digitalization solutions. As part of the SINUMERIK product line, this drive is designed to deliver exceptional precision, performance, and reliability for a wide range of industrial applications. With a power rating of 7.5HP (horsepower), 11.1A (amperes) output, and 460VAC input, the 6SE64402UD255CA1 offers powerful motor control capabilities and robust features to meet the demands of modern industries.

Precision Motor Control:

The 6SE64402UD255CA1 boasts precise motor control capabilities, making it an excellent choice for applications that require high accuracy and consistent performance. With the SINUMERIK technology, this drive ensures smooth speed regulation, torque management, and acceleration/deceleration profiles, providing precise control over industrial motors. Whether it's for machining operations, material handling, or other critical processes, the 6SE64402UD255CA1 ensures that motors operate with exceptional precision, resulting in improved productivity and optimized output quality.

High Power and Efficiency:

With its 7.5HP power rating and 11.1A output, the 6SE64402UD255CA1 is well-equipped to handle heavy-duty industrial applications. From powering large motors to driving complex machinery, this drive offers ample power to meet the demands of a variety of industrial processes. Moreover, the drive's design emphasizes energy efficiency, with intelligent control algorithms that optimize energy consumption based on load requirements. This feature not only reduces operating costs but also contributes to sustainable and eco-friendly operations, aligning with modern industrial trends.

Versatile Three-Phase Operation:

The 6SE64402UD255CA1 operates on a three-phase 460VAC input, making it compatible with standard industrial power systems. Three-phase power supplies are commonly used in industrial settings due to their efficiency and ability to drive powerful motors. The 6SE64402UD255CA1's compatibility with three-phase systems ensures easy integration into existing setups, facilitating a seamless transition and minimizing additional infrastructure costs.

SINUMERIK Product Line:

As part of the renowned SINUMERIK product line by Siemens, the 6SE64402UD255CA1 benefits from decades of expertise and innovation in the field of industrial automation. SINUMERIK drives are known for their cutting-edge technology, reliability, and adaptability, making them a trusted choice for industries worldwide. The 6SE64402UD255CA1 inherits the best features and advancements from its SINUMERIK predecessors, reflecting Siemens' commitment to continuous improvement and customer satisfaction.

Advanced Diagnostics and Protection:

The 6SE64402UD255CA1 incorporates advanced diagnostics and protection features to ensure smooth and trouble-free operations. The drive is equipped with comprehensive monitoring tools that provide real-time information about motor performance and system status. Any deviations or anomalies are quickly detected, allowing operators to promptly address potential issues before they escalate. Additionally, the drive includes protection mechanisms against overcurrent, overvoltage, undervoltage, and other potentially harmful conditions, safeguarding both the drive and the connected motor from damage.

Compact and Space-Efficient Design:

Despite its powerful capabilities, the 6SE64402UD255CA1 maintains a compact form factor. This space-efficient design is particularly advantageous for installations with limited space availability, as it allows for flexible mounting options and simplifies the integration process. The drive's compact size also ensures that it fits seamlessly into control panels and enclosures, optimizing the use of available space while maintaining its outstanding performance.

Seamless Integration and Connectivity:

Siemens prioritizes seamless integration of its products into existing industrial automation systems, and the 6SE64402UD255CA1 is no exception. The drive supports a variety of communication protocols, such as Profibus and Profinet, enabling effortless integration into diverse automation architectures. This connectivity ensures smooth data exchange between different components of the industrial system, facilitating centralized control and monitoring.


The 6SE64402UD255CA1 from Siemens' SINUMERIK product line is a powerful and efficient drive that embodies the brand's commitment to precision, performance, and reliability. With its high power rating, precise motor control capabilities, and advanced features, this drive is tailored to meet the demands of modern industrial applications. The 6SE64402UD255CA1's space-efficient design, versatile three-phase operation, advanced diagnostics, and seamless integration capabilities make it an indispensable asset for industries seeking robust and efficient motor control solutions. As a testament to Siemens' commitment to technological innovation and customer satisfaction, the 6SE64402UD255CA1 stands as a reliable and high-performance drive for a wide range of industrial applications.

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 6SE6440-2UD25-5CA1, take a look at more from our HMIs 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 6SE6440-2UD25-5CA1 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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Conley Cooke

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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