Description
Schneider ATV320U55N4C | Variable Speed Drive – Altivar Machine ATV320, 5.5kW, 380-500V, 3-Phase, Compact
1. Overview
The Schneider ATV320U55N4C is a variable speed drive (VSD) from the Altivar Machine ATV320 series, designed for controlling three-phase asynchronous and synchronous motors. This compact VSD operates at 5.5kW (7.5HP) and supports 380-500V, 3-phase power input, making it ideal for industrial automation, material handling, and packaging applications.
2. Key Features
- Model: ATV320U55N4C
- Series: Altivar Machine ATV320
- Motor Power: 5.5kW (7.5HP)
- Input Voltage: 380-500V AC, 3-phase
- Output Frequency: 0.1Hz to 599Hz
- Control Type: Sensorless vector control & V/F control
- Compact Design: Space-saving for easy integration into panels
- Connectivity: Built-in Modbus & CANopen communication
- Safety Features: Safe Torque Off (STO) function
3. Technical Specifications
- Output Current: 13A (nominal for 5.5kW at 400V)
- Input Frequency: 50/60Hz ±5%
- Efficiency: High efficiency for energy savings
- Protection Rating: IP20 (suitable for panel installation)
- Operating Temperature: -10°C to +50°C (without derating)
- Mounting Type: Compact for DIN rail or panel mounting
- Communication Protocols:
- Modbus RTU
- CANopen (Standard)
- Optional: EtherNet/IP, Profibus, Profinet via add-on modules
4. Applications
- Conveyors and Material Handling Systems
- Pumps, Fans, and HVAC Systems
- Packaging and Processing Machinery
- CNC and Industrial Automation
- Food & Beverage and Textile Industries
5. Benefits
- Compact and Space-Saving: Ideal for installations with limited space
- Versatile Motor Control: Supports both asynchronous and synchronous motors
- Energy-Efficient: Reduces power consumption and extends motor lifespan
- Advanced Safety Features: Includes Safe Torque Off (STO) for operator safety
- Easy Integration: Compatible with PLC systems and various communication protocols
6. Conclusion
The Schneider ATV320U55N4C Altivar Machine ATV320 is a high-performance and compact variable speed drive, perfect for precision motor control in industrial automation. With advanced communication, safety functions, and energy efficiency, it offers reliability and flexibility for various applications.

