380V Variable Frequency Converter Three Phase IP 21 Grade Cost Effective

380V Variable Frequency Converter Three Phase IP 21 Grade Cost Effective Basic knowledge about inverters: 3 type of control modes: 1: use speed panel to control Inverter and motor directly; 2: Use external terminals to drive motor.If use this type, please prepare something necessary like fine wires, external switch, potentiometer,and others; 3: Use RS485 communication,in this mode,you can just sit next to the computer to control your motors ,very convenient. Pannel Show: