Product Introduction
The Schneider ATV71HU22N4 is a variable speed drive from the Altivar 71 series, designed for precise motor control in complex, high-power industrial machines. With a motor power rating of 2.2 kW (3 HP) and a wide input voltage range of 380-480 VAC, this drive delivers robust performance while reducing energy costs. The integrated EMC filter minimizes electromagnetic interference, ensuring long-term reliability and compliance with global standards. By choosing the ATV71HU22N4, you invest in a solution that improves operational efficiency and lowers total cost of ownership.
Technical Specifications Breakdown
The ATV71HU22N4 operates with a three-phase supply and supports an output frequency from 0.1 to 599 Hz. Its nominal switching frequency is 4 kHz, adjustable from 1 to 16 kHz with derating. Key specifications include:
- Motor power: 2.2 kW (3 HP)
- Input voltage: 380-480 VAC
- Output frequency: 0.1-599 Hz
- Nominal switching frequency: 4 kHz
- Integrated EMC filter
- Operating temperature: -10 to 50 °C
- Net weight: 3 kg (6.6 lb)
The drive includes a graphic terminal for easy programming, and its heat sink design ensures effective thermal management even in demanding environments.
Industry Applications
The Schneider ATV71HU22N4 excels in applications requiring precise speed control and energy efficiency. Typical use cases include:
- Conveyor systems: Adjustable speed for material handling with smooth acceleration/deceleration ramps.
- Pumps and fans: Variable torque control reduces energy consumption by up to 30% compared to fixed-speed drives.
- Complex machinery: Supports sensorless flux vector control (SFVC) and closed-loop flux vector control (FVC) for high dynamic performance.
In each scenario, the drive's built-in protection against overvoltage, short-circuits, and thermal overload minimizes downtime and extends equipment life.
Maintenance & Reliability
To maximize ROI, the ATV71HU22N4 is designed for low-maintenance operation. The integrated EMC filter and robust heat sink reduce component stress. Key reliability features include:
- Protection against input phase loss, overcurrent, and overheating
- Compliance with EN/IEC 61800-3 for industrial environments
- IP20 degree of protection for indoor use
Routine inspection should focus on cleaning the heat sink and verifying connection terminals. With proper care, the drive delivers years of trouble-free service.
Compatibility & Integration
The ATV71HU22N4 supports Modbus and CANopen communication protocols via RJ45 and SUB-D connectors, enabling seamless integration with PLCs and SCADA systems. It also accepts optional communication cards for DeviceNet, EtherNet/IP, Profibus DP, and more. This flexibility makes the Schneider ATV71HU22N4 a versatile choice for modern automation networks.