USFULL Factory Price VFD/VSD/Motor Driver 50Hz to 60Hz 30KW 45KW 55KW 75KW 90KW 380V Variable frequency Drive/Frequency Inverter

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;

Three-phase 380V input, three-phase 380V output;

2. How can I choose the power of the frequency inverter? 

According to your motor power, you can click "Chat Now" on the right side of webpage 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?  

37kW and below 37kW, it's carton package; 45kW and above 45kW, it's wooden package.

5. How 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 do you ensure product quality? 

Our production strictly adheres to ISO9001 quality control system. After four-time quality inspection and test of high temperature, we will print "QA" pass.

7. Do you accept OEM business? 

We accept OEM and ODM with your authorization.