a. We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us.
b. If you have any question for the products you received, please contact us in time and we will try our best to solve the problems and make you satisfied.
c. Please give us the positive feedback.
-
QFeedback policy.
2021-9-18+AQHow to choose the power of the solar pumping inverter?
2021-9-18+AAccording to your motor power, you can click “Chat Now” on the right and our sales staff will provide you with solutions online.
QDo you support urgent orders?
2021-9-18+AOf 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 customersQWhat is the standard of package?
2021-9-18+ABelow 30kw, it’s carton package; 37kw and above, it’s wooden package.
QWhat voltage range can you support?
2021-9-18+ASingle-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;QIf there is no sun at night, can I switch solar panel input to mains power?
2021-9-18+AWe have solutions for AC/DC switching cabinets. For details, please contact us for sales.
QAbout the terminal instructions of the solar pumping inverter?
2021-9-18+AR, 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)
QDo you accept OEM business?
2021-9-18+AWe accept OEM and ODM with your autherization.
Contact Us
USFULL specializes in solar pumping inverter and variable frequency drive. The product technology research and development is constantly updated. The shell design is patented. We only make products that make customers happy.
24-hour service phone:0086-577-61728833