Description
The Schneider Electric ATV320U55N4B is a high-performance variable frequency drive (VFD) from the Altivar 320 series, engineered to deliver precise speed and torque control for three-phase AC motors in commercial and industrial HVAC applications. Rated at 7.5 HP (5.5 kW) with a supply voltage range of 380–500V three-phase, this compact bookstyle drive is designed for panel-mount installation and offers a robust feature set in a space-saving footprint.
The Altivar 320 series is purpose-built for machine and HVAC applications requiring reliable, energy-efficient motor management. Its intuitive design simplifies commissioning and integration into building automation and control systems, making it an ideal choice for HVAC contractors, mechanical engineers, and system integrators.
Key Features
- Rated output power: 7.5 HP (5.5 kW)
- Supply voltage: 380–500V three-phase AC
- Compact bookstyle (panel-mount) form factor for space-efficient installation
- Integrated EMC filter for reduced electrical interference
- Built-in communication-ready architecture for BACnet, Modbus, and other protocols (via optional modules)
- Advanced motor control modes including sensorless flux vector and voltage/frequency (V/Hz)
- Embedded safety function (STO – Safe Torque Off) for enhanced machine safety
- Graphical display terminal compatible for easy parameter setup and diagnostics
- Suitable for pumps, fans, compressors, and conveyor applications
- Designed for use with Schneider Electric’s EcoStruxure Machine architecture
Application Benefits
- Reduces energy consumption by matching motor speed to actual load demand
- Extends equipment life through smooth motor acceleration and deceleration
- Minimizes mechanical stress on HVAC components such as fans and pumps
- Supports predictive maintenance through built-in diagnostics and monitoring
- Compact design allows installation in tight electrical panels and enclosures
Specifications
- SKU / Part Number: ATV320U55N4B
- Brand: Schneider Electric (Square D)
- Series: Altivar 320
- Horsepower: 7.5 HP
- Power (kW): 5.5 kW
- Input Voltage: 380–500V, Three-Phase AC
- Mounting Style: Bookstyle (Panel Mount)
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