Product Introduction
The Schneider ATV71HU40N4 is part of the Altivar 71 range, developed for advanced motor control applications requiring more than simple speed adjustment. It is designed to manage dynamic industrial processes where load variation and torque stability are critical.
Unlike basic variable speed drives, this model integrates vector control algorithms and flexible communication options, allowing it to be used in more demanding automation architectures. Its performance characteristics make it suitable for both standalone machinery and integrated plant-wide control systems.
From an engineering perspective, it is often selected for its balance between compact installation, strong control capability, and long-term operational reliability in industrial environments.
Technical Specifications
| Parameter | Specification |
|---|
| Product Type | Variable Speed Drive |
| Model | ATV71HU40N4 |
| Series | Altivar 71 |
| Motor Power | 4 kW / 5 HP |
| Input Voltage | 380–480 V AC |
| Phase | 3 Phase |
| Line Current | 14.1 A (380 V) / 11.5 A (480 V) |
| Nominal Output Current | 10.5 A / 7.6 A |
| Output Frequency | 0.1–599 Hz |
| Control Modes | V/F, SFVC, FVC |
| Communication | Modbus, CANopen |
| EMC Filter | Integrated |
| Protection Rating | IP20 |
| Mounting Type | Panel / Wall Mount |
| Dimensions | 260 × 155 × 187 mm |
| Weight | 4 kg (8.82 lb) |
Industrial Use Overview
The Schneider ATV71HU40N4 Variable Speed Drive is designed for precision motor control in complex industrial automation systems where stable torque, flexible speed regulation, and reliable performance are required. It is widely used in:
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Conveyor and material handling systems
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Industrial pumps and fan applications
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Packaging and process machinery
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HVAC and building automation systems
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Light-to-medium industrial production lines
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OEM equipment requiring advanced motor control
It belongs to the Altivar 71 series, which is known for high-performance vector control and robust industrial integration capabilities.
Engineering Advantages in Practice
This drive is engineered for applications where process stability and motor control accuracy are more important than basic speed variation.
Key advantages
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4 kW (5 HP) motor capacity for three-phase industrial motors
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Sensorless flux vector control (SFVC) for stable torque at low speed
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Wide output frequency range (0.1–599 Hz) for flexible process tuning
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Integrated EMC filter and DC choke for improved electrical performance
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High overload capability up to 220% (short duration)
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Modbus and CANopen communication support for automation integration
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Expandable option cards for fieldbus and encoder feedback
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Graphical terminal interface for commissioning and diagnostics
In real industrial environments, it is valued for stable operation under variable loads and strong adaptability to different motor types.
Technical FAQs
1. What motor power does it support?
It supports 4 kW (5 HP) three-phase motors operating at 380–480 V.
2. Does it support vector control?
Yes, it supports sensorless flux vector control and closed-loop vector control.
3. What is the output frequency range?
The output frequency ranges from 0.1 Hz to 599 Hz.
4. Does it include EMC filtering?
Yes, it includes an integrated EMC filter and DC choke.
5. Can it handle overload conditions?
Yes, it can handle up to 220% torque for short durations.
6. What communication protocols are available?
It supports Modbus and CANopen communication.
7. Is it suitable for industrial automation systems?
Yes, it is widely used in process automation and machinery control systems.
8. Can it operate synchronous motors?
Yes, it supports both synchronous and asynchronous motors.
9. How is it configured?
It is configured via a detachable graphical terminal with diagnostic functions.
10. What makes it suitable for OEM applications?
Its compact design, flexible I/O expansion, and strong control performance make it ideal for OEM machinery.
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