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Products
01
USFULL offers intelligent drive solutions that simplify industrial automation and improve system performance. Our Variable Frequency Drives (VFDs) are designed to optimize motor control, reduce energy consumption, and adapt to diverse industrial needs.
FU9000D General Type High Performance VFD
The FU9000D general-purpose VFD is user-friendly and easy to maintain. It offers key features like energy saving, torque boost, voltage stabilization, speed control, motor protection, and traverse control.
FU9000MD Economic Type VFD
FU9000MD series VFD mini type frequency inverter is a general-purpose high performance current vector control ac drive.
FU9000H Crane & Hoist VFD
USFULL FU9000H series variable frequency drives are specially designed for cranes and hoists, many special software functions are provided in the VFD to achieve the best crane operation.
FU9000C Air Compressor VFD
USFULL FU9000C Series VFD (Variable Frequency Drive) is a tailored solution to Air Compressor. The speed of the air compressor motor is related to the performance of the air compressor.
02
USFULL solar pump inverter efficiently converts DC power from solar panels into AC to drive water pumps. Designed for solar-powered water pumping systems, it’s ideal for agricultural irrigation, livestock watering, and rural water supply. Our inverters ensure stable performance, energy efficiency, and reliable water delivery even in remote areas.
FU9000SI-V3 Solar Pump Inverter
FU9000SI-V3 Solar Pump Inverter is newly developed high performance and high efficiency inverter, specially designed for AC pump in solar pumping system.
FU9000SI-H IP65 Solar Pump Inverter
USFULL water proof solar pump inverter is widely used indoors and outdoors. The protection grade is IP65, waterproof and dustproof.
FU9000SI-A3 Solar Pump Inverter
The USFULL FU9000SI-A3 Solar Pump Inverter is a high-performance, efficient solution for solar irrigation. It maximizes solar energy use to reliably power your pump system.
FU9000SI-Classic Solar Pump Inverter
USFULL FU9000SI-Classic Solar Pump Inverter is newly developed high performance and high efficiency inverter, specially designed for AC pump in solar pumping system.
03
USFULL offers reliable solar accessories including DC breakers, SPDs, fuses, and combiner boxes—designed to protect and optimize your solar power system. Our solutions ensure safety, easy installation, and stable performance for residential, commercial, and agricultural projects.
Combiner Box
The solar PV combiner box is waterproof and dustproof, offering overload, lightning, and overcurrent protection. It is suitable for long-term use both indoors and outdoors.
DC Mini Circuit Breaker
DC Mini Circuit Breaker is a key safety device for solar power systems. It protects DC circuits from electrical faults, ensuring safe and efficient operation between solar panels, inverters, and other components.
DC Surge Protection Device
USFULL DC Surge Protection Device is PV standard surge protect device, which protects PV system and inverter from thunder and lightning, thus protect the electrical appliance.
DC Fuse
USFULL DC Fuse is a safety device that protects electrical circuits from too much current. It breaks the circuit when current is too high, preventing damage and fire risks. It is commonly used in DC systems like solar power setups.
DC Molded Case Circuit Breaker
USFULL DC Molded Case Circuit Breaker is a critical component in electrical systems designed to protect circuits from overcurrents such as short circuits and overloads.
DC Isolator Switch
The USFULL DC isolator switch safely disconnects DC circuits from power sources, protecting systems and people during maintenance or emergencies. It’s commonly used in solar PV and wind power systems.
PV Connector
USFULL PV Connector, users can directly connect solar panel toinverter, without the consideration of anti-reverse device.
Over & Under Voltage Protector
Over & Under Voltage Protectors safeguard electrical equipment by monitoring voltage levels. They disconnect the power supply if the voltage is too high or too low, preventing damage and ensuring stable operation.
04
USFULL provides smart low voltage solutions for safe and efficient power distribution. Our range includes circuit breakers, fuses, contactors, and control components—engineered for reliable performance across industrial, commercial, and solar applications. With certified quality and flexible customization, USFULL helps you build systems that are secure, scalable, and easy to maintain.
AC Circuit Breaker
AC Circuit Breakers are used in lighting and motor distribution systems. They provide reliable protection and can handle occasional switching of electrical circuits under normal conditions, ensuring safety and stable operation.
RCCB
RCCBs (Residual Current Circuit Breakers) protect people from electric shocks by detecting and quickly cutting off leakage currents. They help prevent electrical fires and ensure safety in homes and buildings.
AC Surge Protection Device
AC Surge Protection Devices (SPDs) protect electrical systems from sudden voltage spikes caused by lightning or switching. They help prevent damage to equipment by diverting excess voltage safely to the ground, ensuring stable and safe operation.
AC Contactor
AC contactors are control devices that switch on and off non-inductive or low-inductive loads, such as household appliances, resistance heaters, and small motors. They enable safe and reliable remote control of electrical circuits in home and light commercial use.
Contact Us to Customize Your Solution!
USFULL Electrical Products Manufacturer
Top-Grade Products
Established in 2005, Zhejiang Fullwill Electric Co., Ltd. (USFULL) is a leading manufacturer specializing in solar pumping inverters, variable frequency drives (VFDs), combiner boxes, solar accessories, and a wide range of low-voltage electrical products. Our company is certified with ISO9001, CE, IEC, TUV, and INMETRO, ensuring the highest quality standards, backed by a comprehensive series of testing reports.
With over 20 experienced R&D professionals, we are committed to continuous innovation and technical advancement. Over the years, we have built a global presence, exporting our products to more than 90 countries and regions, including the United States, Canada, Russia, and many others. We proudly collaborate with over 200 business partners worldwide, catering to a diverse range of industries.
Driven by a vision of excellence, USFULL is dedicated to providing customized product solutions that enhance user satisfaction. We focus on three core areas: electric drives, photovoltaic water supply systems, and low-voltage electrical solutions. We strive to become a century-old enterprise known for innovation and reliability.
WHY CHOOSE US?
Why Choose USFULL Products?
POPULAR CATEGORYS
USFULL specializes in variable frequency drive, solar pumping inverter and dc accessories. The product technology research and development is constantly updated. The design is patented. We only manufacture products that make customers happy.
Production Capacity
USFULL’s manufacturing base covers over 15,000 square meters and houses more than a dozen production lines, including lines for variable frequency drives, photovoltaic accessories, SMT, and automatic PCB coating. Equipped with advanced automation equipment, our facility significantly boosts productivity while ensuring high product quality and stable output. Modern production technology is the backbone of USFULL’s consistent performance and reliable supply capacity.
OUR CERTIFICATION
We believe that leadership and excellence in supplying our customers with quality products is essential to our long-term competitiveness, that’s why we incessantly invest significant resources to always obtain the required highest standards of quality and reliability.
The certifications USFULL has gained throughout the years are a visible proof of our commitment: TUV, CE, INMETRO, IEC, and more.
Feel free to contact us should you need further details or clarifications on the certified quality of our products.
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