Product Overview
When your current drive struggles to handle high-power motor control for complex machinery, the Schneider ATV71HD90N4 provides a robust upgrade path. This variable speed drive from the Altivar 71 series delivers 90 kW motor power, making it the ideal replacement for older or undersized drives in demanding industrial environments. With an operating voltage range of 380-480V AC and three-phase input, the ATV71HD90N4 ensures reliable performance for synchronous and asynchronous servo motors.
Technical Specifications
The Schneider ATV71HD90N4 is engineered for heavy-duty applications. Key parameters include:
| Parameter |
Value |
| Motor Power |
90 kW (125 hp) |
| Power Supply Voltage |
380-480V AC, 3-phase |
| Output Frequency |
0.1…500 Hz |
| Nominal Output Current |
179 A at 2.5 kHz |
| Max Motor Cable Length |
100 m shielded / 200 m unshielded |
| IP Rating |
IP20 |
| EMC Filter |
Integrated |
| Communication Protocols |
Modbus, CANopen |
| Operating Temperature |
-10…50 °C |
| Weight |
107.05 kg (236 lbs) |
Application Scenarios – Upgrade Your System
Replacing outdated drives with the Schneider ATV71HD90N4 modernizes motor control in applications such as conveyors, pumps, and heavy fans. In a typical upgrade scenario, a 75 HP system gains headroom with the 125 HP capacity of the ATV71HD90N4. The reinforced version with heat sink handles high transient loads (295 A for 2 s) without derating at altitudes up to 1000 m. For closed-loop applications, the drive achieves +/- 0.01% speed accuracy with encoder feedback, improving process repeatability.
Compatibility & Integration
The Schneider ATV71HD90N4 integrates seamlessly into existing automation networks. It supports Modbus on two RJ45 ports and CANopen via a SUB-D connector, allowing connection to PLCs and SCADA systems. Additionally, option cards such as EtherNet/IP, Profibus DP, and DeviceNet expand connectivity. The drive works with both asynchronous and synchronous motors, making it a versatile replacement for mixed motor fleets.
Selection Guide & Purchasing Advice
Before upgrading to the ATV71HD90N4, verify your motor's power rating and cable run length. The drive requires a 3-phase supply between 380-480V AC with a prospective line Isc of 35 kA. Choose the correct option cards based on your network protocol. As a reliable source, ubest101 offers genuine Schneider Altivar 71 drives and accessories backed by fast shipping. Ensure your enclosure provides adequate cooling, as the drive dissipates heat via its integrated heat sink.
Troubleshooting & Common Issues
When replacing an older drive with the ATV71HD90N4, common issues include incorrect grounding affecting EMC performance—use shielded cable and ensure proper termination. The drive's built-in protection against overvoltage, undervoltage, and overheating automatically shuts down if parameters exceed limits. If motor phase loss occurs, check the 24V control supply and the motor cable connections. The diagnostic LED indicates drive voltage status for quick troubleshooting.