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Schneider Electric ATV31HU40M3X

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Part NumberATV31HU40M3X
ManufacturerSchneider Electric
TypeAC Drives
Warranty2 Year
CategoryVariable speed drive
Application Simple machine
Phase3 Phase
Filterwithout EMC filter
Assemblywith heat sink
Motor Power4 kW 4 kHz
Max Horse Power5 hp 4 kHz
Output Current17.5 A 4 kHz
Supply Frequency50...60 Hz - 5...5 %
Rated Supply Voltage200...240 V - 5...5 %
Line Current21.1 A 240 V 24.2 A 200 V, Isc = 1 kA
Max Transient Current26.3 A 60 s
Power Dissipation180 W at nominal load
Analogue Input3
Prospective Line Isc1 kA
DestinationAsynchronous motors
Supply Voltage Limits170…264 V
Output Frequency0.0005…0.5 kHz
Speed Range1…50
Transient Overtorque150…170 % of nominal motor torque
Analogue Output2
Discrete Output2
Discrete Input6

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 ATV31HU40M3X 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 ATV31HU40M3X 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 ATV31HU40M3X, 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 ATV31HU40M3X 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 ATV31HU40M3X Overview

ATV31HU40M3X Variable Speed Drive

The ATV31HU40M3X is a variable-speed drive designed by Schneider Electric, belonging to the Altivar range. As a versatile solution for controlling asynchronous motors, this drive is specifically tailored for applications in simple machines, providing reliable and efficient motor control. 

Overview: ATV31HU40M3X Variable Speed Drive

Main Specifications:

Range of Product: Altivar

Product Type: Variable speed drive

Specific Application: Simple machine

Component Name: ATV31

Assembly Style: With heat sink

EMC Filter: Without an EMC filter

Rated Supply Voltage: 200-240 V, 3-phase

Supply Frequency: 50-60 Hz

Motor Power: 4 kW (5 hp)

Line Current: 21.1 A at 240 V, 24.2 A at 200 V (Isc = 1 kA)

Apparent Power: 8.4 kVA

Nominal Output Current: 17.5 A at 4 kHz

Maximum Transient Current: 26.3 A for 60 s

Power Dissipation: 180 W at nominal load

Motor Control and Performance:

Asynchronous Motor Control:

Control Profile: Sensorless flux vector control with PWM-type motor control signal

Factory Set: Constant torque

Frequency and Torque Control:

Output Frequency: 0.0005–0.5 kHz

Nominal Switching Frequency: 4 kHz

Switching Frequency Range: 2–16 kHz (adjustable)

Speed Range: 1–50

Transient Overtorque: 150–170% of nominal motor torque

Braking and Regulation:

Braking Torque: <= 150% for 60 s (with braking resistor), 100% continuously (with braking resistor), 150% without braking resistor

Regulation Loop Frequency: PI regulator

Motor Slip Compensation: Adjustable, automatic whatever the load

Inputs and Outputs:

Electrical Connections:

Terminals: Al1, Al2, Al3, AOV, AOC, R1A, R1B, R1C, R2A, R2B, LI1...LI6, L1, L2, L3, U, V, W, PA, PB, PA/+, PC/-

Tightening Torque: 5.31 (0.6 N.m) for control terminals, 7.08 (0.8 N.m) for power terminals

Analog and Discrete Inputs:

Analog Input Types: AI1, AI2, AI3 (configurable current and voltage inputs)

Sampling Duration: 4 ms (discrete), 8 ms (analog)

Discrete Inputs: 6 programmable logic inputs (LI1...LI6)


Analog Outputs: AOC (configurable current), AOV (configurable voltage)

Discrete Outputs: R1A, R1B, R1C, R2A, R2B (configurable relay logic)

Minimum Switching Current: 10 mA, 5 V DC

Maximum Switching Current: 5 A, 250 V AC inductive (7 ms), 5 A, 30 V DC resistive (0 ms)

Communication and Display:

Communication Interface:

Physical Interface: RS485 multidrop serial link for CANopen and Modbus communication

Transmission Frame: RTU for CANopen and Modbus

Transmission Rate: 10, 20, 50, 125, 250, 500 kbps, or 1 Mbps for CANopen, 4800, 9600, or 19200 bps for Modbus


LED Display: 1 red LED for drive voltage indication

Segment Display: Four 7-segment display units for CANopen bus status

Frequency Resolution: 0.1 Hz

Physical Characteristics and Environmental Conditions:

Dimensions and Weight:

Outer Dimension: 184 x 140 x 150 mm

Net Weight: 6.39 lb (2.9 kg)

Environmental Conditions:

Operating Temperature: 14–122 °F (-10–50 °C) without derating (with protective cover on top)

Storage Temperature: -13–158 °F (-25–70 °C)

Operating Altitude: <= 3280.84 ft (1000 m) without derating, >= 3280.84 ft (1000 m) with current derating


The ATV31HU40M3X is well-suited for various industrial applications requiring precise motor control, such as conveyors, pumps, fans, and other simple machines. Its flexibility, reliable performance, and communication capabilities make it a valuable component in industrial automation systems.

FAQs: Schneider Electric ATV31HU40M3X Variable Speed Drive

Q: What is the main application of the ATV31HU40M3X variable speed drive?

A: The ATV31HU40M3X is specifically designed for controlling asynchronous motors in simple machine applications. It is commonly used in various industrial settings for tasks such as controlling conveyors, pumps, and fans.

Q: What makes the ATV31HU40M3X suitable for simple machines?

A: This variable speed drive offers sensorless flux vector control with PWM motor control, providing precise and efficient control over asynchronous motors. It is tailored to meet the requirements of simple machine applications.

Q: Can the ATV31HU40M3X handle variations in the power supply?

A: Yes, the ATV31HU40M3X is rated for a supply voltage of 200-240 V with a 3-phase power supply. It can accommodate variations within a range of 5% on both voltage and frequency (50-60 Hz).

Q: How is braking managed in the ATV31HU40M3X?

A: The variable speed drive supports braking with a torque of up to 150% for 60 seconds when a braking resistor is used. It can handle 100% braking continuously with a resistor and up to 150% without a braking resistor.

Q: What are the communication options available for the ATV31HU40M3X?

A: The ATV31HU40M3X features RS485 multidrop serial communication for both CANopen and Modbus interfaces. It offers reliable communication with other devices in the industrial automation system.

Q: How is the ATV31HU40M3X protected against various electrical issues?

A: The variable speed drive includes protection features such as input phase breaks, line supply overvoltage and undervoltage safety circuits, motor phase breaks, overcurrent between output phases and earth, and thermal protection for both the drive and motor.

Q: Can the ATV31HU40M3X operate in harsh environmental conditions?

A: The operating temperature range for this variable speed drive is 14–122 °F (-10–50 °C) without derating when a protective cover is in place. It can withstand storage temperatures from -13 to 158 °F (-25–70 °C).

Q: How is the ATV31HU40M3X configured for specific motor types?

A: The drive includes three analog input channels and supports various motor control configurations. It allows users to configure voltage and current inputs, making it adaptable to different motor types.

Q: What is the maximum switching frequency of the ATV31HU40M3X?

A: The nominal switching frequency is 4 kHz, but the drive allows users to adjust the switching frequency within a range of 2–16 kHz, providing flexibility in motor control.

Q: Does the ATV31HU40M3X have certification for safety standards?

A: Yes, the variable speed drive is marked with CE certification and complies with various standards, including UL, CSA, N998, and C-tick, ensuring it meets rigorous safety and performance criteria.

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 ATV31HU40M3X, 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 ATV31HU40M3X 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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