Peace, mercy, and blessings of God be upon you. For sale: A used motor speed controller (VFD / Inverter) from the leading company Allen-Bradley. The device is in excellent, very clean condition (removed from a production line while working, available for inspection and guaranteed). Full Technical Specifications: Model (Cat No): 20F11NC072JA0NNNNN Family: PowerFlex 753 (Series A) Power: 50 HP (Normal Duty - ND) / 40 HP (Heavy Duty - HD) at 480V. 37 kW (Normal Duty) / 30 kW (Heavy Duty) at 400V. Voltage: 3 Phase - Supports 400V and 480V classes. Current (Continuous Amps): 65 Amps (at 480V) / 72 Amps (at 400V). Frequency: 0 to 400 Hz. Display Status: The model is manufactured by the agency without a control screen (Blank Cover), and it can be programmed directly via computer over the network or by installing a separate screen.