Schneider Electric ATV320U55N4B Altivar 320 5.5kW 3-Phase 380-500V Book Mount Variable Speed Drive

The Schneider Electric ATV320U55N4B is a 5.5 kW variable speed drive from the Altivar 320 series, designed for 3-phase 380–500 V AC applications with a rated output current of 14.3 A. Built in a compact book-mount form factor, the ATV320U55N4B delivers precise frequency inverter control for industrial motor applications where panel space is at a premium. This VSD is engineered for energy saving and accurate torque control across a wide range of automation and motor control tasks.

Technical Specifications

Applications & Use Cases

• Pump & Fan Control: Achieve significant energy saving by matching motor speed precisely to process demand in HVAC, water treatment, and industrial fluid systems.
• Conveyor & Material Handling: Smooth torque control and adjustable acceleration ramps protect mechanical components and improve throughput on conveyor lines.
• Compressor Drives: Variable frequency drive technology enables soft starting and speed regulation of compressor motors, reducing wear and energy consumption.
• General Industrial Automation: The compact book-mount design of the ATV320U55N4B makes it suitable for integration into machine panels and control cabinets with limited depth.