TU-WD20 series economical low-voltage inverter is an economical inverter developed by our company in response to the market demand for small power, small size and low cost. It includes single-phase 220V and three-phase 380V models. The product has built-in simple PLC and PID adjustment. , programmable input and output terminals, RS485 interface, analog input and output and other rich control functions, especially suitable for some low-power asynchronous motor production occasions.