




HFU series inverter 3.3KW-6.3KW, 24V/48V DC to 105V/110V/115V/120V AC, support US standard single phase input and single phase output, freely configurable off grid, on grid, and hybrid modes, built in MPPT solar controller, solar tracking range 40-500Vdc.
Product
1.Stylish appearance, high frequency design, high inverter efficiency, small size, pure sine wave output.
2.Supports US standard single phase output and single phase input, meeting voltage standards in regions such as Latin America.
3.It supports three flexible operating modes: off grid, on grid, and hybrid.
4.It built in MPPT solar controller, photovoltaic voltage range 40V-500Vdc.
5.Supports operation without battery, configuration can be tailored to your budget.
6. Equipped with lithium battery BMS management function to ensure battery system safety.
7. Equipped with RS485 communication interface, it allows for remote real time monitoring of the inverter system's status and data via WiFi, enabling intelligent management.
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Specification |
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Model : HFU |
33224 |
63248 |
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PV |
Max PV Input Power |
5000W |
5000W*2 |
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MPPT Tracking Voltage Range |
40VDC-450VDC |
80VDC-450VDC |
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Rated Voltage |
280VDC |
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Max PV Input Voltage voc |
500VDC |
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Max PV Input Current |
18A |
18A*2 |
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MPPT Tracking Channels |
1 Routed |
2 Routed |
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Battery& |
Battery Type |
Lead-acid Battery/Lithium Battery |
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Custom Battery (Charging and discharging paramcters of different types of batteriescan be set through the operation board) |
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Rated Battery Voltage |
24VDC |
48VDC |
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Battery voltage Range |
21~30VDC(default) |
42~60VDC(default) |
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Max PV Charging Current |
120A |
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Max AC Charging Current |
80A |
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Max Charging Current |
120A |
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On-Grid Operation |
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On-Grid |
Rated Output Power |
3300W |
6300W |
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Rated Output Voltage |
105Vac/110Vac/115Vac/120Vac |
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Grid Voltage Range |
93Vac~132Vac |
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Rated Output Frequency |
50Hz/60Hz |
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Frequency Range |
47Hz~52Hz(50Hz),57Hz~62Hz(60Hz) |
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Rated Output Current |
31.4A/30A/28.7A/27.5A |
60A/57.3A/54.8A/52.5A |
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Power Factor |
>0.98(Rated Power) |
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Off-Grid Operation |
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AC |
Rated Input voltage |
105Vac/110Vac/115Vac/120Vac |
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Mains input voltage range |
85Vac~140Vac |
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Rated Input Frequency |
50Hz/60Hz |
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Input Frequency Range |
45Hz~55Hz(50Hz),55Hz~65Hz(60Hz) |
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AC |
Rated Output Power |
3300W |
6300W |
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Rated Output Voltage |
105Vac/110Vac/115Vac/120Vac |
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Output Voltage Accuracy |
±2% |
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Rated Input Frequency |
50Hz/60Hz |
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Output Frequency Accuracy |
±1% |
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Output Wave |
Pure Sine Wave |
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Hybrid Operation (Complementary Mode) |
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AC |
Rated Input voltage |
105Vac/110Vac/115Vac/120Vac |
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Mains input voltage range |
93Vac~132Vac |
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Rated Input Frequency |
50Hz/60Hz |
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Input Frequency Range |
47Hz~52Hz(50Hz),57Hz-62Hz(60Hz) |
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AC |
Rated Output Power |
3300W |
6300W |
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Rated Voltage Rated |
105Vac/110Vac/115Vac/120Vac |
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Output Current |
31.4A/30A/28.7A/27.5A |
60A/57.3A/54.8A/52.5A |
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Regular Parameters |
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Maximum Conversion Efficiency |
92% (peak value) |
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MPPT Tracking Efficiency |
≥99.9 |
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Transfer Time |
10ms(Typical value) |
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Display |
LCD+LED |
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Cooling Method |
Cooling fan in intelligent control |
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Communication |
RS485/Mobile APP(WIFI Monitoring or GPRS monitoring)(Optional) |
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Protection Degree |
IP20 |
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Installation |
Wall-Mounted |
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Protection Degree |
Battery low voltage alarm |
22VDC (default value) |
44VDC (default value) |
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Battery low voltage protection |
21VDC (default value) |
44VDC (default value) |
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Anti-islanding protection |
≤2S |
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overload power protection |
Automatic Protection (battery mode),Circuit Breaker or Insurance (AC mode) |
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Inverter output short circuit |
Automatic Protection (battery mode),Circuit Breaker or Insurance (AC mode) |
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Temperature protection |
>90 ℃(Turn off inverter and charging) |
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Environment |
Operating temperature |
-10℃~50℃ |
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Storage temperature |
-15℃~60℃ |
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Noise |
≤55dB |
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Elevation |
2000m(More than derating) |
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Humidity |
0%~95% ,No condensation |
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Dimension and Weight |
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Product Size(L*W*Hmm) |
375*297*102 |
431*378.5*123 |
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Package Size(L*W*Hmm) |
450*352*167 |
730*635*225 |
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N.W.(kg) |
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G.W.(kg) |
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Note: All specifications are subject to change without prior notice |
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The HFU series inverter is a hybrid solar inverter featuring a newly upgraded design. It offers power options of 3.3KW and 6.3KW, and supports voltages from 24V/48VDC to 105V/110V/115V/120VAC, meeting the power needs of various residential and commercial solar system. The inverter incorporates an MPPT solar charge controller, allowing for maximum solar input voltage of 500VDC, enabling the connection of more solar modules, improving power generation efficiency, and reducing system losses. It supports off grid, on grid, and hybrid operating modes, allowing for flexible switching according to different application scenarios.
The HFU series inverter adopts bidirectional energy storage design, allowing both solar and AC power to charge the battery. It also features lithium battery BMS communication capabilities, enabling battery status monitoring and intelligent charge/discharge management, thereby extending battery life and improving system stability. Furthermore, it has an RS485 communication interface, allowing remote monitoring of system status and data via mobile App and WiFi, achieving unified intelligent management, preventing malfunctions, and reducing maintenance costs.
More notably, the Xindun HFU series inverter adopts US standard voltage design, supporting US standard single phase input and single phase output of 105V/110V or 115V/120V, 50Hz/60Hz. It is suitable for use in Japan, Mexico, Panama, Cuba, Lebanon, Venezuela, Ecuador and other regions, and is a solar inverter solution that combines efficiency, stability and flexibility.







The wiring diagram clearly shows the inverter's operation in off grid, on grid, and hybrid modes, demonstrating the connection and collaborative work between solar panels, batteries, the grid, and AC loads, helping customers quickly understand the entire system structure.

Xindun Power has been deeply involved in the solar energy industry for over 20 years, possessing rich production experience and a modern production plant of over 10,000 square meters with 12 semi-automated production lines, demonstrating strong large scale production capabilities. We not only provide high quality inverter products but also have a comprehensive service system, offering OEM/ODM customization services to meet specific customer needs, precisely matching different customer brand positioning and technical requirements to help customers solve power problems. Our inverter can achieve 30,000 hours of trouble free operation. High frequency inverter come with 1 year warranty, and low frequency inverter come with 3 year warranty. We recommend customers perform regular inverter maintenance to effectively extend the inverter's lifespan. The Xindun Power team has over 16 years of export experience, and our inverter products have provided stable power solutions to over 100,000 users worldwide. We have a deep understanding of the solar energy product needs in overseas markets such as Latin America, Africa, and Asia, and our R&D team will continuously innovate to launch products that meet market demands.






1.Can inverter have single phase input and single phase output?
Yes. Xindun Power's HFU series inverter support US standard single phase input and single phase output.
2.Are inverter efficient in their inverter conversion?
Our inverter employ high frequency design, achieving inverter conversion efficiency of up to 92%.
3.What battery voltage does the inverter support?
The HFU series inverter supports 24V or 48V battery system, which are commonly used in residential solar system.
4. How many operating modes does the inverter have?
Xindun inverter support three operating modes: off grid, on grid, and hybrid, which users can freely configure.
5. Does this inverter support built in MPPT solar controller?
Xindun inverter supports built in MPPT solar controller and can optimize system architecture.