Product: ATV650D37N4E Frequency Converter Model/Size: ATV650D37N4E Power Rating: 37 kW / 50 HP Input Voltage: 380480 V Type: Inverter / Variable Frequency Drive Description The ATV650D37N4E is a 37 kW frequency converter designed for industrial motor control on 380 to 480 V three phase supplies. It converts fixed supply frequency to controlled variable frequency and voltage to deliver precise motor speed and torque management, helping improve process control and overall system efficiency. Key benefits Precise motor control: Enables smooth speed and torque adjustment for motors rated up to 37 kW or 50 HP, improving process repeatability and product quality. Improved energy use and conversion efficiency: Matches motor output to process demand to reduce wasted energy and improve electrical conversion performance. Wide supply compatibility: Designed for standard industrial three phase supplies in the 380 to 480 V range, suitable for common electrical infrastructures. Flexible integration: Acts as a dropin inverter for applications that require variable speed control, minimizing the need for mechanical throttling or frequent manual adjustments. Reliable operation: Built for continuous industrial use to support production lines and equipment driven by electric motors. Key functions and attributes Function: Variable frequency conversion and motor speed control for AC motors. Compatibility: Suited for three phase 380 to 480 V systems and motors up to 37 kW 50 HP. Size/Model identification: ATV650D37N4E. Performance: Delivers controlled frequency and voltage to improve motor response, controllability, and conversion efficiency. Practical application scenarios 1) Pump and compressor control Use the frequency converter to match pump or compressor speed to process demand, reducing energy use during partialload conditions and improving flow or pressure regulation. 2) Conveyor and hoisting systems Provide smooth start, stop, and speed control for conveyors and hoists to reduce mechanical stress, improve material handling accuracy, and optimize production line throughput. 3) Fans and HVAC drives Control fan speed in ventilation and HVAC systems to regulate airflow and reduce power draw while maintaining required environmental conditions. Installation notes Ensure the inverter is installed in accordance with local electrical codes and connected to a compatible 380 to 480 V three phase supply. Verify motor rating matches the 37 kW 50 HP capability of the unit before commissioning. Follow recommended wiring and thermal management practices for reliable continuous operation. The ATV650D37N4E frequency converter provides a practical solution for industrial motor speed control where reliable conversion, precise control, and compatibility with 380 to 480 V three phase systems are required.