The HU Series 2/3/4/5/6kW Low Frequency Off-grid Solar Inverter is a powerful and reliable solution for off-grid power needs. With Pure Sinusoidal wave output, this inverter was built-in MPPT solar charger allows you to connect your solar panels directly to the inverter, with Intelligent LCD display shows output voltage, frequency, battery capacity, fault, overload, load status, etc..Unattended and automatic shutdown function via RS485 or USB monitoring software.
MODEL |
HU 2kW |
HU 3kW |
HU 4kW |
HU 5kW |
HU 6kW |
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TECHNICAL |
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BATTERY |
Nominal voltage |
12V/24Vdc |
24V/48Vdc |
48V/96Vdc |
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Charging voltage |
10A – 25A |
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Charging voltage |
13.8Vdc for 12Vdc (*2 for 24Vdc, *4 for 48Vdc) battery |
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Battery high voltage alarm |
15Vdc for 12Vdc (*2 for 24Vdc, *4 for 48Vdc) battery |
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Battery low voltage alarm |
10.5Vdc for 12Vdc (*2 for 24Vdc, *4 for 48Vdc) battery |
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Battery type |
Lithium battery / gel (factory default) |
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INPUT |
Voltage |
L+N+PE, 110V/120Vac; 220V/230V/240Vac |
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Voltage range |
80V~135Vac for 110Vac grid; 165V~265Vac for 220Vac grid |
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Frequency |
50/60Hz (auto sensing) |
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OUTPUT |
Output mode |
Single phase, L+N+G |
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Voltage |
110V/120V; 220V/230V/240Vac |
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Frequency |
50/60Hz ±1% (in inverter mode) |
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Surge power |
6kVA |
9kVA |
12kVA |
15kVA |
18kVA |
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Efficiency |
89% |
90% |
89% |
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Switch time |
≤8ms |
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Waveform |
Pure sine wave |
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Transfer time |
<4ms (typical load) |
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Harmonic distortion |
THD ≤ 3% (resistive load) |
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Protection |
Overvoltage, undervoltage, overload, over temperature, surge, short circuit |
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Display |
LCD+LED |
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Heat dissipation mode |
Fan |
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Communication (optional) |
RS232 / RS485 / App / Wi-Fi |
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WORKING MODE |
Grid prior |
Priority is given to power grid, and transfers to battery inverter when power grid is abnormal |
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Eco mode |
The device automatically goes into sleep mode when the load is empty |
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PV prior |
PV first, and when PV is not enough, battery and grid complement each other |
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ENVIRONMENT |
Humidity |
0% ~ 90% relative humidity (non-condensing) |
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Environmental temperature |
-10 ~ 50°C |
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Storage temperature |
-15 ~ 60°C |
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PHYSICAL |
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Product dimensions (mm) |
535x410x250 |
605x410x250mm |
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Gross Weight (kg) |
18 |
20 |
24 |
28 |
30 |
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Main Product:
Solar Inverter,
Solar Controller ,
Solar Power System,
Solar Energy,
MPPT Controller,
Solar UPS