USFULL vfd manufacturers ac motor driver 220v 50hz 110v 60hz converter CE CB ISO

1. What voltage range can you support?

Single-phase 220v input, single-phase 220v output;
Single-phase 220v input, three-phase 220v output;
Three-phase 220v input, three-phase 220v output;
Single-phase 220v input, three-phase 380v output;

2. How to choose the power of the frequency inverter?

According to your motor power, you can click "Chat Now" on the right and our sales staff will provide you with solutions online.

3. Do you support urgent orders?

Of course. We have an ERP management system. Once there is an inventory warning, we will prepare materials in advance to meet the urgent needs of customers.

4. What is the standard of package?  

Below 30kw, it's carton package; 37kw and above, it's wooden package.

5. About the terminal instructions of the frequency inverter?

R, S, T are input terminals of three-phase power supply of frequency converter.

U, V, W are output terminals of frequency converter, and connected three-phase asynchronous motor.

P+ and PB are connected to the brake unit, P+ and P- are connected to DC (solar panel)

6. How to ensure product quality?

Our production strictly follow ISO9001 quality control system. After four times quality inspect and high temperature testing we will print "QA" pass.

7. Do you accept OEM business?

We accept OEM and ODM with your autherization.