Product Overview
When industrial processes demand precise motor control and energy efficiency, the Schneider ATV71HU55N4 variable speed drive delivers dependable performance. As part of the Altivar 71 family, the ATV71HU55N4 is engineered for complex, high-power machines, providing robust motor management for both asynchronous and synchronous motors.
Technical Specifications
The ATV71HU55N4 offers a motor power rating of 5.5 kW (7.5 hp) and operates on a three-phase AC supply voltage of 380–480 V (-15% to +10%). Its advanced control methods—sensorless vector and flux vector—ensure smooth, efficient operation. Key specifications include:
| Parameter |
Value |
| Motor Power (kW) |
5.5 kW |
| Motor Power (hp) |
7.5 hp |
| Power Supply Voltage |
380…480 V (-15% to +10%) |
| Voltage Type |
Three-phase AC |
| Control Type |
Sensorless vector, flux vector |
| Switching Frequency |
Up to 16 kHz |
| Enclosure Rating |
IP20 |
| Communication Ports |
Modbus (RS485), CANopen |
Industry Applications
The Schneider ATV71HU55N4 is suited for a wide range of industrial applications, including conveyors, pumps, fans, and compressors. Its ability to handle both constant torque and variable torque loads makes it versatile. For example, in conveyor systems, the ATV71HU55N4 maintains precise speed control, reducing mechanical stress and downtime.
Integration & Compatibility
With integrated Modbus and CANopen communication ports, the ATV71HU55N4 seamlessly connects to PLCs and control networks. It also accepts optional communication cards for DeviceNet, EtherNet/IP, Profibus DP, and more. The drive supports both asynchronous and synchronous motors, offering flexibility in system design.
Installation & Setup Guidance
Mount the ATV71HU55N4 vertically within ±10 degrees. Use shielded cable up to 50 m or unshielded up to 100 m. Connect terminals L1/R, L2/S, L3/T for power and U/T1, V/T2, W/T3 for motor output. Tighten power terminals to 26.6 lbf·in (3 N·m) and control terminals to 5.3 lbf·in (0.6 N·m). Ensure adequate ventilation for the IP20 enclosure.
Selection Guide & Purchasing Advice
Before purchasing, verify your application’s voltage, motor type, and environmental conditions. For genuine Schneider ATV71HU55N4 drives, trust PLC Source PRO (formerly ubest101) as your reliable supplier. We stock certified units with full technical support.