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2-year Warranty

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Control Techniques UNI4402


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  • 2 Year Warranty
Part NumberUNI4402
ManufacturerControl Techniques
TypeAC Drives
Warranty2 Year
Operating ModesOpen Loop
Closed Loop vector
Nominal Rating - kW55
Nominal Rating - hp100
Max. Continuous Output Current at 40°C ambient (A)
Max. Continuous Output Current at 50°C ambient (A)
Typical Input Current (A)91
Max. Continous Output Current (A)114
Minimum Resistance (Ω)5
Instantaneous Powe Rating (kW)120

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 UNI4402 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 UNI4402 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 UNI4402, 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 : 140lbs

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  • Order within the next 18 hours and 54 minutes.
  • If you order between 4pm and 6pm EST, you will be charged a small rush fee.

Ask about exchanging your faulty UNI4402 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 UNI4402 Overview

UNI4402 AC Drives by Control Techniques

The UNI4402, meticulously crafted by Control Techniques is an AC Drive, that embodies precision and versatility in motor control applications. Its robust 2-year warranty underscores the commitment to reliability and durability, making it a cornerstone in industrial automation.

Operating Modes

Flexibility is at the heart of the UNI4402, supporting a range of operating modes tailored to diverse industrial requirements. From the fundamental Open Loop to the intricate Closed Loop Vector, and further extending to Servo and Regen modes, this drive ensures optimal performance across a spectrum of applications.

Nominal Rating and Power Output

The UNI4402 boasts a formidable nominal rating of 55 kW (100 hp), providing ample power for demanding applications in industrial settings. Across varying ambient temperatures and frequencies, the drive exhibits exceptional continuous output current. At 40°C ambient, it achieves 124 A (3kHz), 104 A (4.5kHz), 88 A (6kHz), and 70 A (9kHz). Even under the demanding conditions of 50°C ambient, the performance remains robust, with values of 105 A (3kHz), 85 A (4.5kHz), 75 A (6kHz), and 60 A (9kHz).

Input and Output Current

Efficiency and optimized power consumption are paramount in industrial operations. The UNI4402 maintains an impressive typical input current of 91 A, ensuring effective utilization of power resources. The drive's maximum continuous output current peaks at 114 A, providing headroom for demanding loads and dynamic motor control scenarios.

Resistance and Instantaneous Power Rating

With a minimum resistance of 5 ohms, the UNI4402 ensures efficient power transfer and control, enhancing its capability to handle diverse motor control scenarios. The instantaneous power rating, reaching 120 kW, underscores the drive's ability to manage sudden and intense power demands with finesse.

Precision and Control

Control Techniques has intricately engineered the UNI4402 to offer precise control in various motor control applications. Whether operating in Open Loop mode for standard applications or Closed Loop Vector for advanced control requirements, the drive consistently delivers accuracy and responsiveness, meeting the stringent demands of modern industrial processes.

Reliability in Varied Environments

Industrial environments are diverse and often challenging. The UNI4402 is designed to maintain its reliability across a broad range of ambient temperatures, from 0 to 50°C. This adaptability ensures the drive's seamless operation where precision and stability are paramount, addressing the stringent demands of industrial applications.

Warranty and Manufacturer Assurance

The UNI4402 has a 2-year warranty, providing end-users with confidence in the durability and performance of this AC Drive. This warranty stands as a testament to Control Techniques' commitment to quality, assuring users of continued support and peace of mind throughout the product's lifecycle.

Technical Specifications

The UNI4402, a pinnacle of AC Drive technology, is defined by its impressive technical specifications:

  • Operating Modes: Open Loop, Closed Loop Vector, Servo, Regen
  • Nominal Rating: 55 kW (100 hp)
  • Maximum Continuous Output Current (40°C ambient): 124 A (3kHz), 104 A (4.5kHz), 88 A (6kHz), 70 A (9kHz)
  • Maximum Continuous Output Current (50°C ambient): 105 A (3kHz), 85 A (4.5kHz), 75 A (6kHz), 60 A (9kHz)
  • Typical Input Current: 91 A
  • Maximum Continuous Output Current: 114 A
  • Minimum Resistance: 5 ohms
  • Instantaneous Power Rating: 120 kW


In conclusion, the UNI4402 AC Drive by Control Techniques emerges as a beacon of excellence, seamlessly blending precision, versatility, and reliability. With its comprehensive warranty, advanced operating modes, and impressive technical specifications, the UNI4402 stands as an indispensable component for industries seeking robust motor control solutions in the ever-evolving landscape of industrial automation.

Control Techniques 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.

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 UNI4402, 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 UNI4402 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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Over 1700 Ratings from Actual Customers

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