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Schneider Electric ATV312HU55M3

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Part NumberATV312HU55M3
ManufacturerSchneider Electric
TypeAC Drives
Warranty2 Year
ComponentVariabel speed drive
ApplicationSimple machine
Motor power5.5 kW
DestinationAsynchronous motors
Hp motor power7.5 hp
Supply Voltage200...240 V (- 15...10 %)
Assemblywith Heat sink
Line current32 Afor 240 V 36.8 Afor 200 V, 22 kA
EMC filterNo
Speed range1…50
Power dissipation292 W at nominal load
Apparent power12.8 kVA

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 ATV312HU55M3 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 ATV312HU55M3 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 ATV312HU55M3, 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 ATV312HU55M3 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 ATV312HU55M3 Overview


The ATV312HU55M3 is a Variable Speed Drive (VSD) manufactured by Schneider Electric as part of their Altivar 312 range of products. This particular VSD is designed for use with asynchronous motors in simple machine applications, where precise motor control is essential.


With a motor power of 5.5 kW (equivalent to 7.5 hp), the ATV312HU55M3 operates with a rated supply voltage of 200 to 240 V with a tolerance of -15% to +10%. The supply frequency is between 50 to 60 Hz with a tolerance of -5% to +5%. It is a three-phase VSD with a line current of 32 A for 240 V and 36.8 A for 200 V. The device comes with a built-in heat sink for efficient heat dissipation.

The VSD utilizes a sensorless flux vector control with a PWM (Pulse Width Modulation) type motor control signal, which provides precise control over the speed and torque of the connected motor. The speed range of the VSD can be adjusted between 1 to 50, making it versatile for different applications.


For electrical connections, the ATV312HU55M3 has various terminals, such as Al1, Al2, Al3, AOV, AOC, R1A, R1B, R1C, R2A, R2B, LI1 to LI6, with appropriate wire sizes (AWG 14 for LI1 to LI6, and AWG 6 for other terminals). It also features an internal supply for logic inputs and a reference potentiometer.


The VSD supports communication via various protocols, including CANopen and Modbus, allowing it to integrate into industrial automation systems seamlessly. Its IP20 degree of protection on the upper part without a cover plate, IP21 on connection terminals, IP31 on the upper part, and IP41 on the upper part ensures adequate protection against dust and small particles.


In terms of performance, the ATV312HU55M3 offers a continuous output current of 27.5 A at 4 kHz and a maximum transient current of 41.3 A for 60 seconds. It has a nominal switching frequency of 4 kHz, which can be adjusted between 2 to 16 kHz. The device also provides various protection features, such as input phase breaks, line supply overvoltage and undervoltage safety circuits, motor phase breaks, and more.


To facilitate monitoring and operation, the VSD is equipped with LEDs and a four 7-segment display unit to indicate drive voltage and CANopen bus status. The parameter setting and configuration can be done through the RJ45 Modbus/CANopen interface.


In terms of environmental conditions, the ATV312HU55M3 operates optimally in an ambient air temperature range of 14 to 122°F (-10 to 50°C) without derating when a protective cover is present, and up to 140°F (60°C) with derating when there's no protective cover. It is designed to withstand various environmental factors like vibration, shock, humidity, and altitude.

As part of Schneider Electric's commitment to sustainability, the ATV312HU55M3 is designated as a Green Premium product, complying with their internal standards and certifications like CSA, C-Tick, DNV, GOST, NOM, and UL.

Overall, the ATV312HU55M3 is a versatile and robust Variable Speed Drive, suitable for a wide range of applications where precise motor control and reliable performance are essential. Its advanced features, communication options, and protection mechanisms make it a valuable component in industrial automation and control systems.

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.

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 ATV312HU55M3, 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 ATV312HU55M3 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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