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2-year Warranty

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Schneider Electric ATV320U55N4B

Rated 5/5 on 1 review

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MANUFACTURER: Schneider Electric 
DESCRIPTION: ATV320 Variable Speed Drive 5.5 kW 380 to 500 Volt 3-Phase - Compact 

2 in stock

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2 Year warranty

Part NumberATV320U55N4B
ManufacturerSchneider Electric
TypeAC Drives
Warranty2 Year
CategoryVariable speed drive
ApplicationComplex machines
DestinationSynchronous motors Asynchronous motors
ProtectionIP20 IEC 61800-5-1 IP20 IEC 60529
Voltage supply380...500 V - 15...10 %
Motor power5.5 kW heavy duty
EMC filterClass C2 /integrated
Max hp7.5 hp heavy duty
Power range5.5...7.5 kW
Synchronous motor controlVector control without sensor
Output frequency0.1…599 Hz
Switching frequency2...16 kHz adjustable 4...16 kHz with derating factor
CommunicationModbus serial CANopen
Braking torque<= 170 % 60 s with braking resistor
Speed range1…100 asynchronous motor in open-loop mode
Regulation loopAdjustable PID regulator

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 ATV320U55N4B 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 ATV320U55N4B we also repair drives, motors, PLCs and more, 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 ATV320U55N4B, 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 ATV320U55N4B 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.

Schneider Electric ATV320U55N4B Overview

Schneider Electric products are manufactured in France and are designed for Material handling, packaging, and textile machines usage. They come with a 2-year warranty from MRO Electric. We also carry AC Drives from other manufacturers such as Modicon and ABB.

Schneider Electric ATV320U55N4B 

Transforming Industrial Motor Control with Precision and Efficiency

In the dynamic world of industrial automation, precise control over motor-driven machinery is indispensable. Schneider Electric, a global leader in energy management and automation solutions, has been at the forefront of innovation in this field. One of their remarkable contributions is the Schneider Electric ATV320U55N4B, a Variable Speed Drive (VSD) designed to optimize motor control. This advanced VSD, part of the Altivar 320 product series, offers a wide range of features and capabilities that empower industries to achieve unprecedented levels of precision, energy efficiency, and reliability in their operations.

Product Description

The Schneider Electric ATV320U55N4B is a variable-speed drive specifically engineered to provide precise control and regulation of electric motors in industrial applications. It is designed for use with 3-phase motors within the voltage range of 380 to 500 volts. As part of the Altivar 320 product family, this VSD embodies Schneider Electric's commitment to innovation and excellence in motor control technology.

Key Features and Specifications

  1. Powerful Performance: The ATV320U55N4B delivers a power output of 5.5 kW, making it suitable for a wide range of industrial applications where medium to high motor power is required.
  2. Voltage Range: It operates effectively within the voltage range of 380 to 500 volts, providing flexibility and compatibility with various industrial power systems.
  3. Compact Design: The compact form factor of this VSD allows for space-efficient installation in control panels or electrical enclosures, optimizing the use of valuable floor space in industrial facilities.
  4. Precision Control: The Altivar 320 series is known for its exceptional precision in motor control. The ATV320U55N4B maintains this reputation, enabling accurate speed and torque regulation for motors, resulting in improved process control and product quality.
  5. Energy Efficiency: Schneider Electric places a strong emphasis on energy efficiency, and this VSD is no exception. It employs advanced control algorithms to optimize motor operation, reducing energy consumption and operational costs.
  6. Diagnostics and Maintenance: The VSD features integrated diagnostics and fault detection capabilities, making it easier for maintenance personnel to identify and address issues promptly, minimizing downtime.
  7. User-Friendly Interface: The ATV320U55N4B is equipped with a user-friendly interface that simplifies setup and configuration. It allows operators and engineers to customize motor control parameters to meet specific application requirements.
  8. Protection Features: Safety is a top priority in industrial settings. This VSD includes a range of protection features to safeguard both the motor and the VSD itself, ensuring reliable and safe operation.


The Schneider Electric ATV320U55N4B VSD finds applications in a wide array of industries, including manufacturing, process control, and infrastructure. Some common applications include:

  1. Conveyor Systems: The precise motor control capabilities of the ATV320U55N4B make it an ideal choice for conveyor systems in industries such as logistics and material handling, ensuring smooth and efficient product movement.
  2. Pumps and Fans: This VSD can optimize the operation of pumps and fans, controlling flow rates and air circulation with great accuracy, thereby saving energy and extending equipment life.
  3. Machine Tools: In manufacturing, machine tools require precise speed and torque control. The ATV320U55N4B can enhance the performance of CNC machines, lathes, and milling machines.
  4. HVAC Systems: Heating, ventilation, and air conditioning (HVAC) systems benefit from the energy-efficient operation enabled by this VSD, leading to reduced energy consumption and lower operational costs.
  5. Packaging Machinery: Packaging lines often involve multiple motors with varying speed requirements. The VSD can synchronize and control these motors efficiently, contributing to increased productivity and reduced waste.

In conclusion, the Schneider Electric ATV320U55N4B Variable Speed Drive represents a significant advancement in the field of industrial motor control. Its powerful performance, precise control, energy efficiency, and compact design make it a valuable asset in industries where motor-driven machinery plays a crucial role. Schneider Electric's dedication to innovation and excellence is evident in this product, which empowers industries to achieve higher levels of productivity, energy savings, and operational reliability in an increasingly competitive landscape.

Contact Us Today For More Information About Schneider Electric Products

Check out the rest of our Schneider Electric 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 ATV320U55N4B, 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 ATV320U55N4B 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

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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