ProductPRODUCT
Featured products
Contact Us
- Schneider
- ATV71HU40N4
- Variable Speed Drive
- France
- 260 × 155 × 187 mm
- 4 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 38
Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |
Product Overview
The Schneider ATV71HU40N4 is an Altivar 71 variable speed drive used to regulate motor operation in industrial automation, material handling, and process machinery. It serves as the controlled power interface between the electrical supply and the connected motor, allowing the machine to operate at different speeds rather than relying on a fixed-speed motor connection.
A drive of this type is used when the motor needs controlled starting, stopping, acceleration, deceleration, or adjustable operating speed. The drive receives operating commands from the machine-control system or applicable control interface and regulates the electrical output delivered to the motor according to the configured operating requirements.
The ATV71HU40N4 can be incorporated into conveyors, pumps, fans, packaging systems, production machinery, and other motor-driven equipment. Its actual suitability depends on the connected motor, electrical supply, mechanical load, control method, and overall machine configuration.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | ATV71HU40N4 |
| Product Type | Altivar 71 Variable Speed Drive |
| Product Family | Altivar |
| Series | Altivar 71 |
| Drive Function | Variable Speed Motor Control |
| System Role | Motor Speed and Torque Control |
| Control Method | Electronic Variable-Frequency Motor Control |
| Application | Industrial Motor Drives |
| Motor Interface | Three-Phase Motor |
| Control Function | Speed, Acceleration and Deceleration Regulation |
| System Integration | Industrial Machine Control System |
| Component Type | Variable Speed Drive |
| Installation | Industrial Control Cabinet / Motor Control Equipment |
| Dimensions | 260 × 155 × 187 mm |
| Weight | 4 kg |
Product Features
- Altivar 71 variable speed drive for industrial motor-control applications.
- Provides adjustable motor operation for machinery with changing speed requirements.
- Supports controlled motor acceleration and deceleration.
- Can be integrated into PLC-based and other industrial machine-control architectures.
- Suitable for motor-driven equipment requiring coordinated speed regulation.
- Provides an electronic control stage between the electrical supply and connected motor.
- Applicable to conveyors, pumps, fans, packaging equipment, and production machinery.
- Supports configured motor operation rather than a simple fixed-speed connection.
- Allows drive parameters to be matched to the connected motor and application.
- Suitable for maintenance, replacement, and retrofit work on established Altivar 71 installations.
Working Principle
The ATV71HU40N4 controls the electrical output supplied to the connected motor according to the required operating condition. A speed reference, start/stop command, or other operating instruction is received from the machine-control arrangement or drive interface. The drive then regulates the motor supply to produce the required operating response.
Power Supply → ATV71HU40N4 → Controlled Motor Output → Motor → Mechanical Load
During acceleration, the drive manages the motor output as the motor moves toward the commanded operating speed. During normal operation, the output is adjusted according to the selected speed and control conditions. When the machine requires deceleration or stopping, the drive controls the reduction in motor operation according to its configured parameters.
The drive can also exchange status and operating information with the surrounding automation system. This allows a PLC, HMI, or other control equipment to coordinate the motor with the wider machine process.
The final behavior of the axis or machine depends on more than the drive itself. Motor characteristics, mechanical load, transmission components, control parameters, and operating commands all affect the response. These factors should therefore be reviewed together when commissioning or replacing the drive.
Role in a Schneider Altivar 71 Motor Control Architecture
The ATV71HU40N4 occupies the drive layer of the motor-control architecture. It receives operating commands from the control system and regulates electrical power delivered to the motor, while drive status can be made available to the surrounding automation equipment.
| System Layer | Typical Component | Function |
|---|---|---|
| Supervisory Layer | HMI / Operator Interface | Provides operator commands and displays machine and drive status |
| Control Layer | PLC / Machine Controller | Generates speed references, start/stop commands, and process logic |
| Drive Layer | ATV71HU40N4 | Regulates electrical power supplied to the motor |
| Motor Layer | Three-Phase Motor | Converts electrical power into mechanical rotation |
| Mechanical Layer | Coupling / Gearbox / Transmission | Transfers motor movement to the machine |
| Machine Load | Conveyor / Pump / Fan / Production Equipment | Performs the required industrial process |
| Feedback / Monitoring | Sensors / Drive Status Signals | Provides operating information to the control system |
Industrial Applications
| Application | Drive Role |
|---|---|
| Conveyor Systems | Adjusts motor speed to match material transport requirements |
| Pumping Equipment | Regulates motor operation according to process demand |
| Industrial Fans | Controls motor speed for ventilation and process-air applications |
| Material Handling | Provides controlled movement for transport and positioning equipment |
| Packaging Machinery | Coordinates motor speed with machine operating cycles |
| Manufacturing Equipment | Regulates motor-driven mechanisms within production machinery |
| Process Equipment | Adjusts motor operation to changing process requirements |
| Automated Machinery | Integrates motor-speed control with PLC and machine-control functions |
Installation and Maintenance
- Confirm the ATV71HU40N4 model and verify that it matches the intended Altivar 71 application and existing drive configuration.
- Review the motor nameplate, electrical schematics, drive documentation, and machine-control drawings before installation.
- Isolate the incoming power and follow the approved lockout/tagout procedure before accessing the drive or motor circuit.
- Verify the electrical supply arrangement and confirm that the drive is suitable for the installed system.
- Inspect the drive, terminals, connectors, cooling areas, and accessible surfaces for damage, contamination, or signs of overheating.
- Verify motor power connections and control wiring against the approved electrical drawings.
- Check the motor, coupling, gearbox, and driven mechanism for mechanical binding or abnormal resistance before enabling the drive.
- Enter or verify the applicable motor and drive parameters according to the connected motor and machine requirements.
- Check speed references, start/stop commands, interlocks, communication connections, and feedback signals before commissioning.
- Perform a controlled initial run and verify motor direction, startup behavior, and basic speed response.
- Monitor the drive and motor for abnormal current, vibration, temperature, faults, or unexpected acceleration and deceleration during operation.
- Record the final drive parameters, motor information, wiring configuration, commissioning results, and maintenance observations for future service work.
Related Components
| Component | Function in the System |
|---|---|
| Three-Phase Motor | Converts controlled electrical power into mechanical rotation |
| Schneider Altivar 71 Control System | Provides the variable-speed drive platform |
| PLC / Machine Controller | Generates motor-control commands and process logic |
| HMI | Provides operator control and drive-status information |
| Motor Power Cable | Connects the drive output to the motor |
| Motor Protection Equipment | Provides applicable protection for the motor circuit |
| Mechanical Coupling | Transfers motor rotation to the driven mechanism |
| Gearbox | Adapts motor speed and torque to machine requirements |
| Process / Speed Sensor | Provides operating information where feedback is used |
| Control Cabinet | Houses the drive and associated electrical control equipment |
Recommended Related Models
| Model | Product Type | Typical Relationship |
|---|---|---|
| Schneider Altivar 71 Series | Variable Speed Drive | Same drive family |
| Schneider ATV71HU30N4 | Altivar 71 Variable Speed Drive | Related Altivar 71 drive model |
| Schneider ATV71 Series Drives | Variable Speed Drive | Related motor-control platform |
| Schneider Altivar Motor Drives | Variable Speed Drive | Related industrial drive family |
| Schneider Altivar Control Accessories | Drive Control Hardware | Associated drive-system components |
Key Advantages
- Altivar 71 platform for industrial variable-speed motor control.
- Supports controlled acceleration and deceleration.
- Allows motor speed to be adjusted for changing machine requirements.
- Integrates with PLC, HMI, and industrial machine-control architectures.
- Suitable for a range of motor-driven production and process equipment.
- Supports maintenance and replacement of established Altivar 71 drive systems.
Technical FAQs
What is the primary function of the ATV71HU40N4?
The ATV71HU40N4 is a variable speed drive used to regulate the operation of a connected motor. It controls the electrical motor supply according to the required speed and machine operating conditions.
What should be verified before installing an ATV71HU40N4?
The incoming electrical supply, connected motor, drive configuration, control wiring, machine load, command source, and applicable feedback or communication arrangement should be checked before commissioning.
Why should the motor parameters be verified after drive replacement?
The drive’s control behavior depends on the configuration used for the connected motor and application. Incorrect motor-related settings can affect startup, speed response, current behavior, and fault handling.
What should be checked if the connected motor does not respond correctly?
Check the start/stop command, speed reference, drive status, configured limits, motor parameters, control wiring, active faults, and mechanical load. The complete command-to-motor path should be inspected before determining whether the drive itself is defective.