Schneider ATV61HD90N4 Altivar 61 Series 90kW (125HP) Variable Frequency Drive for Pump, Fan and Large-Scale Process Automation

Applications

The ATV61HD90N4 is optimized for high-power, variable torque applications in process industries:

• Water supply and wastewater treatment plants
• HVAC systems (large fans, pumps, air handling units)
• Industrial ventilation systems
• Pumping stations and fluid transfer systems
• Oil & gas auxiliary processes
• Building automation and infrastructure systems 

Advantages

• High Power Capability: 90 kW output suitable for large industrial loads
• Process-Optimized Control: Designed specifically for pumps and fans with energy-saving U/f profiles
• Advanced Motor Control: Sensorless vector control ensures precise torque and speed regulation
• Flexible Communication: Supports multiple industrial protocols via expansion cards
• Integrated EMC Filter: Reduces electromagnetic interference and improves system reliability
• Robust Industrial Design: Heat sink cooling ensures stable long-term operation 

Technical FAQs

1. What motor capacity does this drive support?
It supports motors up to 90 kW (125 HP).

2. What is the input voltage range?
380–480 V AC, three-phase supply.

3. What is the rated output current?
Up to 166 A at 380V and 143 A at 480V.

4. What control methods are available?
V/F control and sensorless vector control are supported.

5. What communication protocols are supported?
Modbus and CANopen are standard, with optional fieldbus cards like EtherNet/IP and Profibus.

6. What is the maximum output frequency?
Up to 500 Hz depending on configuration.

7. Does it include an EMC filter?
Yes, an integrated Level 3 EMC filter is included.

8. What is the switching frequency range?
Adjustable between 2 kHz and 8 kHz (nominal 4 kHz).

9. Is it suitable for continuous operation?
Yes, it is designed for heavy-duty, 24/7 industrial environments.

10. Is this model still in production?
No, it is a legacy product mainly used for retrofit and maintenance applications.