USFULL’s production process fully complies with the requirements of the ISO9001 quality management system, All series of products have CE and TUV certification
√ Full Set Solar Energy Equipments
√ IP65 PV Combiner Box
√ Cuztomized PV Combiner Box
USFULL manufactures inverters covering the full power range (0.75kW to 630kW)”
covering general models as well as specialized models for fans, pumps, machine tool spindles, and other applications, meeting the needs of precise speed regulation and energy conservation.
Intelligent Manufacturing and Full-Process Quality Control
Supports specifications from 2 to 24 strings (including intelligent monitoring models). These products have passed rigorous tests such as high and low temperature and lightning protection to ensure long-term stable outdoor operation.
Provides short-circuit disconnection and lightning protection solutions. Key components have passed salt spray testing (500 hours) and extreme temperature testing
Zhejiang Fullwill Electric Co., Ltd. (USFULL), established in 2005, mainly manufactures Variable Frequency Drive, Solar Pumping Inverter, Combiner Box, Solar Accessories and many low voltage electric products. With ISO9001, CE, IEC, TUV, INMETRO Certificates with a series of testing reports.
Unlock the optimized energy with custom-crafted solutions. Connect with us today and step into a brighter, more efficient tomorrow tailored just for you!
Complete global sales certification
USFULL 90+ Countries Distribution, we provide products with unmatched speed and reliability.
√ Global Logistics Excellence
√ Precision Timing
√ Trusted by Top Industrial Brands
√ Large-Scale Project Solutions
√ Technical Expertise on Demand
Customized solution
Light up your future with customized USFULL solutions! In our state-of-the-art facilities, we offer high-performance combiner boxes and inverters, all tailored to your unique energy requirements. Whether you are seeking residential, commercial or utility-scale solutions, our professional team will work with you to provide customized systems that maximize efficiency and reliability. Embrace a brighter, more sustainable tomorrow by adopting combiner boxes and inverters designed for excellence.
USFULL has participated in various exhibitions around the world to study the market and strengthen the connection between USFULL and local customers.
Customer review
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Great supplier and very communicative with fast response! Lily great person reply fast and supportive 5/5. I would recommend this for her valuable service and advice
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I used this for my 2 kW motor on a belt sander and it works great. Relatively easy to program too. You can disconnect the face controls and use a long ribbon cable to keep the VFD in a cabinet and have the controls outside in a 3D printed housing. Still, it isn’t immune to dust. Make sure to blow it out every so often with an air compressor. The first one lasted 5 years and would have lasted longer if I took care of it. I got another one and will keep it maintained.
It just works. We had a few thunderstorms this summer, and I watched this little device do its job. The peace of mind is amazing. I no longer worry about my panels or inverter getting fried by a power surge. For the price, the protection it offers is unbeatable. A must-buy for any solar owner.
This is a solid product that lives up to its description. The components are well-made and deliver no-fuss reliability for both projects and daily use. It performs exactly as expected, and the build quality promises long-term durability. A truly valuable purchase that I confidently recommend.
I have 12 of these breakers (varying amps) incorporated into my solar setup. They work well for disconnecting solar panels from charge controllers etc. I have load tested them and they work well for me.
Does exactly what it says. The build quality is excellent, it works reliably for any setup, and it feels built to last. This product lives up to the hype and delivers real value. Very satisfied.
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