Feature: 1. [Advanced Main Board] Equipped with a cutting edge main board, this variable frequency drive is intelligent and efficient, with strong protection performance and complete functions. 2. [High Stability] With a fully surface mount design, all internal components of this VFD inverter are mounted securely on the board, significantly enhancing the stability of the machine. 3. [Flame Retardant] Made with flame retardant ABS shell, this frequency converter exhibits high impact resistance, heat resistance, and excellent flame retardancy, ensuring superior overall performance. 4. [User Friendly Keyboard] With a digital display screen and a user friendly keyboard design, operating this frequency inverter is made easy and straightforward, allowing for intuitive control and monitoring. 5. [Large Heat Sink] Equipped with a large heat sink and a small cooling fan, this VFD inverter ensures low noise levels while providing efficient heat dissipation, guaranteeing optimal performance and longevity. Specification: Item Type: Variable Frequency Drive Material: Flame Retardant ABS Input: 3 Phase 320-460V 50-60Hz Output: 3 Phase 0-380V 0-999.9Hz Power: 3.7KW. Package List: 1 x Variable Frequency Drive 1 x User Manual