Check the listing for details. 5.5kW Variable Frequency Drive VFD 1 or 3 Phase input 0-400HZ 7.5HP 220V 25A. Condition: New. Listed at 125.71 USD. Key Points:- Connection way: Input - 220VAC(+/-5%) 1 or 3phase.（for single-phase input, just connect the input wire to the R and S terminals）- Features: With better performance and stability.Adopt DSP vector control to enable motor to achieve high torque in LOW SPEED rotation to increase motor working efficiency,and supports remote external potentiometer control- Safety performance: Take advantage of various protection ways such as Motor short-circuit detection at power-on, output phase loss protection, over-current protection, over-voltage protection, under-voltage protection, overheat protection, overload protection and etc.- Good Noise Control: The product has the advantages of low noise and low electromagnetic interference, which are achieved by the .