Contains four functions of mains bypass, mains charging, inverter,UPS,
fully automatic switching The efficiency is 3~5% higher than the ordinary power frequency series, and the self-consumption
is reduced by 30~50%
DIP switch selection: battery undervoltage point, input AC range, energysaving mode, priority mode.
Remote communication interface RJ11/RJ45/RS232/485 remote control panel (optional)
Support PC software monitoring, support WIFI 4G module expansion to realize app cloud
monitoring (optional) Pure sine wave output, input and output completely isolated design.
Product Description
This Low Frequency Split Phase Inverter combines mains bypass, mains charging, inverter, and UPS functions in a single device. It targets industrial and commercial users who require consistent, reliable AC power converted from DC sources. The device supports power ranges from 1KW to 12KW, suitable for facilities demanding continuous operation, backup power, and dual-voltage output adaptability.
Designed with low-loss U-shaped transformers, the inverter provides isolated input/output architecture and pure sine wave AC output that closely mirrors utility or generator waveforms. Its efficiency surpasses ordinary power frequency inverters by 3-5%, and the self-consumption is reduced by 30-50%. Adjustable charging current ranges and MPPT solar charging capability are integrated. Optional interfaces include RJ11, RJ45, and RS232/485 ports for remote control and cloud monitoring via WIFI or 4G.
This inverter suits applications involving critical load protection, solar photovoltaic integration, and off-grid or generator-assisted energy systems. Its pure sine wave output supports sensitive electronics, while intelligent battery management enhances energy use. The device’s adaptability and protective mechanisms meet diverse industrial power management requirements, making it relevant for procurement by distributors and OEM/ODM buyers focusing on system integration or replacement.
The Low Frequency Split Phase Inverter incorporates multiple functionalities that reduce system complexity, supporting flexible voltage outputs and generator start functions. Its modular communication options cater to a range of monitoring and control configurations, facilitating easier integration into existing energy management setups. Such features may support OEM/ODM customization and production batch ordering for power inverter manufacturer partners.
Efficiency improvements and reduced self-consumption contribute to operational cost effectiveness in large-scale or repeated use. The inverter’s comprehensive protection features address common failure modes in industrial environments. Provided technical details enable clear evaluation of compatibility with power systems. These factors support decision-making in procurement and distribution channels sourcing from pure sine wave power inverter suppliers.
| MODEL-HK | 1KW | 2KW | 3KW | 4KW | 5KW | 6KW | 8KW | 10KW | 12KW | |
| AC nput |
Nominal Power |
1000W | 2000W | 3000W | 4000W | 5000W | 6000W | 8000W | 10000W | 12000W |
| nput Voltage Wavefom |
Sinusoidal(utility or generator) | |||||||||
| Nominal input Voltage |
120/230VAC | 230VAC | ||||||||
| Low Line Disconnect |
85Vac±4%(Normal)o 80Vac±4%(Wide) for120Vac |
184Vc±4%(Normal)or135Vac ±4%(Wide)for 230Vac |
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| Low Line Re-connect |
95Vac±4%(Normal)o 85Vac±4%(Wide) or 120Vac |
194Vac±4%(Normal)or 145Vac ±4%(Wde)for 230Vac |
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| High Line Disconnect |
136Vac±4%(Normal)or 140Vac+4%(Wide) for 120 Vac |
263Vac±4%(Normal)or 263Vac ±4%(Wide)for 230Vac |
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| High Line Re-connect |
131Vac±4%(Nomal)or 135Vac±4%(Wide) for 120Vac |
253Vac±4%(Nomal)or 253Vac ±4%(Wode)for 230Vac |
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| Max AC input Voltage |
120Vac forMax150Vac | 230Vac for Max270Vac | ||||||||
| Frequency | 50Hz:41-54Hz/60Hz:51-64Hz | |||||||||
| AC output | Output Voltage Waveform |
Sine wave | ||||||||
| Power Factor | 0.9-1.0 | |||||||||
| Nomina Output Voltage (V) |
LV:120Vac±10%rms | HV:230Vac±10%rms | ||||||||
| Nominal Output Frequency (Hz) |
60Hz±0.3Hz 50Hz±0.3Hz | |||||||||
| AC Charger | Nominal Charge Current |
20A/35A/50A/70A/90A(5 stages adjustable charging curenf) | ||||||||
| Charge Current Regulation |
±5Adc | |||||||||
| Over Charge Protection |
Bat.V>15.5VDC for 12V battery.Bat.V>31.0VDC for 24V battery Bat.V>62.0VDC for 48V battery、beeps 0.5s every 1s&fault after 60s |
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| Algorithm | Three stage:BoostCC(constant current stage)->Boost CV(constant voltage stage) ->Hoat (constant voltage stage) |
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| Solar charger |
Rated Charge Curent |
40A | 60A | |||||||
| Max.PVopen circuit array voltage |
12V for 40Vdc、24Vfor 55Vdc、48V for 110Vdc | |||||||||
| Charger mode |
MPPT | |||||||||
| PVLow Voltage Re-connect |
PV>Bat.V=3V | |||||||||
| PV Low Voltage Disconnect |
^ PV Bat.V |
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| Efficiency | ≥97% | |||||||||
| Efficiency | Efficiency (Battery Mode) |
≥85% | ||||||||
| Efficiency (Line Mode) |
>96% | |||||||||
| Battery Voltage |
Nominal DC input Voltage |
12/24/48VDC | ||||||||
| Low Battery Alarm |
10.5VDC±0.3VDC for 12VDC | |||||||||
| 21VDC±0.6VDC for24VDC | ||||||||||
| 42VDC±1.2VDC for48VDC | ||||||||||
| Low DC input shut-down |
10VDC±0.3VDCfor 12VDC | |||||||||
| 20VDC±0.6VDC for 24VDC | ||||||||||
| 40VDC±1.2VDC for48VDC | ||||||||||
| High DC input Alarm &Fault |
16VDC±0.3VDCfor 12VDC | |||||||||
| 32VDC±0.6VDC for 24VDC | ||||||||||
| 64VDC±1.2VDC for48VDC | ||||||||||
| Transfer Time |
15ms(max) | |||||||||
| System parameter |
Over-Load Protection |
110% |
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| Output Short Circuit Protection |
Current limit(Faul after 10s) | |||||||||
| Surge rating (10s) |
1:3(VA) | |||||||||
| Power saver | Load<25W(Enabled on "P/S auto"Setting of Remote control) | |||||||||
| Protections | Low battery,over charging.over load ,over temp. | |||||||||
| Indicators | LED+LCD Display | |||||||||
| General Specificatio ns |
Operating Temperature Range |
0℃ to 40℃ | ||||||||
| Storage temperature |
-15℃ -60℃ | |||||||||
| Operation humidity |
5%to 95%(non-condensing) | |||||||||
| Audible Noise |
60dB max | |||||||||
| Cooling | Forced air,variable speed fan | |||||||||
| Dimension (L"W"H) |
1KW | 2KW | 3KW | 4KW | 5KW | 6KW | 8KW | 10KW | 12KW | |
| 340*420*200mm | 425*375*200mm | 560*420*235mm | 655*490*240mm | |||||||
| Netweight (kg) |
16 | 20 | 26.5 | 31.5 | 33.5 | 37.5 | 56.5 | 58.5 | 61.5 | |
Energy-Saving Advantage: 3-5% higher efficiencyIntelligent Battery ChargingClear System Monitoring： LCD+LEDPure Sine Wave & Isolated DesignBuiltin MPPT Solar Charger Controller: 30-120AAdvanced Remote Management (Optional): RJ11/RJ45/RS232/485
