Optimize Machine Control with the Schneider ATV71HU40N4
Industrial engineers often face the challenge of managing motor speed precisely while handling power spikes and varying loads. Designed for complex, high-power machines, this drive delivers robust performance and flexible control in demanding automation environments.
Technical Specifications Breakdown
Key parameters for the ATV71HU40N4 are listed below for quick reference:
| Feature | Specification |
|---|---|
| Motor Power | 4 kW, 3-phase (380...480 V) |
| Power Supply Voltage | 380...480 V ±15% |
| Output Frequency | 0.1...599 Hz |
| Maximum Horse Power Rating | 5 hp (3-phase 380...480 V) |
| Line Current | 11.5 A (480 V) / 14.1 A (380 V) |
| Nominal Output Current | 10.5 A (380 V) / 7.6 A (460 V) |
| Maximum Transient Current | 15.8 A (60s) / 17.3 A (2s) |
| Apparent Power | 9.3 kVA at 380 V |
| Maximum Motor Cable Length | 50 m (shielded) / 100 m (unshielded) |
| Speed Range | 1...100 (Open-loop, asynchronous) |
Solving Real-World Application Challenges
Its wide output frequency range of 0.1 to 599 Hz supports both low-speed positioning and high-speed processing. The drive handles transient currents up to 17.3 A for 2 seconds, accommodating brief power spikes without tripping. This makes it suitable for conveyors, pumps, and fans where momentary overloads occur.
Installation Guidance for Reliable Setup
Proper installation ensures long-term performance. The unit supports motor cable lengths up to 50 meters with shielded cable and 100 meters with unshielded cable, offering flexibility in plant layouts. An integrated EMC filter simplifies compliance with electromagnetic compatibility standards. The drive includes an integrated EMC filter and a heat sink for thermal management. Mount the drive vertically within ±10 degrees to maintain proper airflow.
Maintenance Practices for Extended Life
Regular inspection of the cooling fan and heat sink is recommended to prevent overheating. The ambient air temperature for operation ranges from 14 to 122 °F (-10 to 50 °C) without derating. Keep the enclosure clean and ensure the IP20 protection rating is maintained. For storage, the acceptable temperature range is -13 to 158 °F (-25 to 70 °C). These steps help avoid unexpected downtime.
Compatibility and Integration Options
The ATV71HU40N4 supports Modbus and CANopen communication protocols via RJ45 and SUB-D connectors. This allows seamless integration into existing automation networks. It also accepts various option cards, including communication cards for Profibus DP, EtherNet/IP, and DeviceNet. This flexibility simplifies system expansion.
Selection Guidance from AutoDCSTech
When selecting a variable speed drive, verify that the power supply voltage matches your facility's supply. The ATV71HU40N4 requires 380...480 VAC ±15%, 3-phase. For applications needing precise speed control of asynchronous motors, this drive offers sensorless flux vector control and adjustable PI regulation. Contact AutoDCSTech for lifecycle status and availability before ordering.


Availability & Condition at AutoDCSTech
| Part Number | ATV71HU40N4 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | France |
