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2-year Warranty

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Control Techniques UNI3403

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  • 2 Year Warranty
Part NumberUNI3403
ManufacturerControl Techniques
TypeAC Drives
Warranty2 Year
Operating ModesOpen Loop
Closed Loop vector
Nominal Rating - kW22
Nominal Rating - hp30
Max. Continuous Output Current at 40°C ambient (A)
Max. Continuous Output Current at 50°C ambient (A)
Typical Input Current (A)40
Max. Continous Output Current (A)53
Minimum Resistance (Ω)10
Instantaneous Powe Rating (kW)60

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 UNI3403 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 UNI3403 we also repair a wide range of other Control Techniques 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 UNI3403, 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 : 65lbs

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Ask about exchanging your faulty UNI3403 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.

Control Techniques UNI3403 Overview

The Control Techniques UNI3403 is an AC drive that offers a range of control techniques and specifications suitable for various applications. Manufactured by Control Techniques, a reputable company in the field of industrial automation, the UNI3403 is a reliable and versatile model designed to meet the demands of modern industries. These products are manufactured in United Kingdom and are designed for Metal production, paper processing, and material conveying usage. They come with a 2-year warranty from MRO Electric. We also carry AC Drives from other manufacturers such as Siemens and Yaskawa.


With a nominal rating of 22 kW (30 hp), the UNI3403 is capable of delivering efficient and precise control for a wide range of motor-driven systems. It features multiple operating modes, including open loop, closed loop vector, servo, and regen, providing flexibility and adaptability to different control requirements.


One of the notable features of the UNI3403 is its maximum continuous output current, which varies depending on the ambient temperature and the switching frequency. At 40°C ambient temperature, the maximum continuous output current ranges from 46 A at 3 kHz to 26.6 A at 12 kHz. When the ambient temperature is increased to 50°C, the maximum continuous output current decreases slightly, with values ranging from 44 A at 3 kHz to 20.6 A at 12 kHz.

The typical input current of the UNI3403 is around 40 A, indicating its efficient power usage and ability to minimize energy consumption. Furthermore, the drive has a maximum continuous output current of 53 A, which allows it to handle high-load conditions without compromising performance.
The UNI3403 also offers a minimum resistance rating of 10 ohms, which ensures proper operation and protection of the drive and connected motor. Additionally, it has an instantaneous power rating of 60 kW, indicating its ability to handle sudden power surges and high-demand applications.


In terms of application, the UNI3403 can be utilized in various industries where motor control is essential, such as manufacturing, automation, and process control. Its versatile operating modes make it suitable for a wide range of motor types and control requirements, providing precise and reliable performance.

Overall, the Control Techniques UNI3403 AC drive is a robust and efficient solution for motor control needs. With its various operating modes, flexible output current options, and reliable performance, it proves to be a valuable asset in industrial settings. Whether it's an open-loop application or a closed-loop vector control system, the UNI3403 is designed to deliver superior control and meet the demands of modern automation.

Contact Us Today For More Information About Control Techniques Products

Check out the rest of our Control Techniques 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 UNI3403, 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 UNI3403 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.

5 stars

4.9 Overall Satisfaction Rating

Over 1700 Ratings from Actual Customers

Read Our Reviews

Very happy with the overall service, delivery, communication and delivery,

Conley Cooke

I needed a special drive, found it, and I was quickly assisted by Joe Kaminski. Everything was exactly as it should be....


We have an older DMU80 CNC Machine and the Handheld Control was damaged beyond repair. MRO was very helpful in confirmin...

Abbey-Purchasing Specialist