Low frequency solar inverter

date:2022-03-12 16:05:32






Low frequency solar inverter


Pure sine wave, high frequency technology,wall amounted design,light weighted and easy to operate.

Selectable input voltage range for home appliances and personal computers

Selectable charging current based on applications

Configurable AC/Solar input priority via LCD setting

Compitable to grid power or generator power

Auto restart while AC is recovering, auto charge and switch, unattended operation  

Smart battery charger and management for optimized battery performance

Remote control panel is optional 

High Efficient DC-To-AC Conversion.Minimizing Energy Loss and self power consumption          

All around protection functions: Overload/short circuit protection/high voltage/low battery voltage/high temerature,etc. 



Solar orerter parameters specifications
Power Specifications   300W~12KW
DC Input Specifications
Rated Voltage SpecificationsDC12/24/48/72V-AC220VDC12/24/48/72V-AC110V
Operating Voltage Range
(Normal Operating Battery Voltage)
10V-16V  (DC12V)
20V-32V  (DC24V)
40V-64V  (DC48V)
60V-96V  (DC72V)
Low Voltage Alarm
(alarm to alert users when battery’s voltage is over low)
10.5Vdc ± 0.3Vdc (12V)
21.0Vdc ± 0.6Vdc (24V)
42.0Vdc ± 1.2Vdc (48V)
63.0vdc ± 1.8Vdc (72V)
Low Voltage Shut off
 (shut off when battery’s voltage is over low)
10.0Vdc ± 0.3Vdc (12V)
20.0Vdc ± 0.6Vdc (24V)
40.0Vdc ± 1.2Vdc (48V)
60.0Vdc ± 1.8Vdc (72V)
Low Voltage Recovery
 (Automatic Boot when battery’s voltage returns to normal)
12.0Vdc ± 0.3Vdc  (12V)
24.0Vdc ± 0.3Vdc  (24V)
48.0Vdc ± 0.3Vdc  (48V)
72.0Vdc ± 0.3Vdc  (72V)
High Voltage Alarm and shut off
 ( alarms and shut off when the battery’s voltage is over high)
16Vdc ± 0.3Vdc (12V)
32Vdc ± 0.6Vdc (24V)
64Vdc ± 1.2Vdc (48V)
96Vdc ± 1.8Vdc (72V)

High Voltage Recovery

 (Automatic boot when battery’s voltage returns to normal)

15.5Vdc ± 0.3Vdc (12V)
31.0Vdc ± 0.6Vdc (24V)
62.0Vdc ± 1.2Vdc (48V)
93.0Vdc ± 1.8Vdc (72V)
orerter Efficiency≥90%

DC-priority type, battery low voltage conversion point when 

there is utility electricity bypass( battery voltage is lower than this, 

turn to utility electricity to supply)

11Vdc ± 0.3Vdc (12V)
22Vdc ± 0.6Vdc (24V)
44Vdc ± 1.2Vdc (48V)
66Vdc ± 1.8Vdc (72V)

DC-priority type, after turning to utility electricity to supply, the battery 

low voltage recovery point(when the battery’s voltage is higher than this,

turn to battery to supply electricity)

13.5Vdc ± 0.3Vdc (12V)
27.0Vdc ± 0.6Vdc (24V)
54.0Vdc ± 1.2Vdc (48V)
81.0Vdc ± 1.8Vdc (72V)


AC Input Specifications                                                                                                            
Rated Voltage Specifications 220VAC System 110VAC System
Input Voltage Waveform Sine wave (utility electricity or generator) Sine wave (utility electricity or generator)
Rated Input Voltage 220Vac/230Vac/240Vac 110Vac/120Vac/130Vac
Low Voltage Shut off 180Vac±4% 85Vac±4%
Low Voltage Recovery 195Vac ±4% 90Vac ±4%
High Voltage Shut off 260Vac±4% 135Vac±4%
High Voltage Recovery 255Vac±4% 130Vac±4%

Utility Electricity 

Charging rule

Three Stages:

Constant current charging (constant stage)→

constant voltage(constant voltage stage)→

float (constant voltage stage)

Utility Electricity Supply Efficiency ≥98%
Conversion Time (AC to DC) <4ms
Conversion Time (DC to AC) <8ms
AC output specifications
Rated output voltage (V) 220Vac/230Vac/240Vac 110Vac/120Vac/130Vac
Output Voltage Range ±10% rms
Rated output frequency(Hz) 50Hz ± 0.3Hz/60Hz ± 0.3Hz(Optional)
Power Factor 1.0
Output Waveform Pure sine wave
Waveform distortion rate( THD ) ≤3% ( Linear load )

Dynamic Response

( 0~100% )

5%
Peak Factor ( CF ) 3:1
Overload Protection
(SMPS load)
(110%<Load<125%) ±10% :after 15 minutes disconnecting the output voltage
(125%<Load<150%) ±10% :after 1 minute disconnecting the output voltage
(Load>150%) ±10% :after 20 seconds disconnecting the output voltage
Other notes
Continuous operation time Continuous operation
Normal Boot no-load Depletion ≤Rated Power×2.5%
No-load Depletion of energy-saving mode ≤6W
Safety Certification CE(EN62040-1)     EMC :EN62040-2, C2
Communication Interface RS232 / (Customizable)
Cooling Temperature-controlled variable speed fan cooling (Ventilation condition)
Noise( dB、1 meter ) <60dB
Ambient temperature ( ºC ) -10~+45
Storage Temperature( ºC ) -20~+55
Using Environment Humidity 0-95% relative humidity(No condensation)
Altitude( m )  ≤5000( More than 1000 m, derating )
Display Way LED Indicator +LCD Display
Alarm Way Buzzer sounds alarm
Protection Functions Low voltage protection, high voltage protection, high temperature protection, short circuit protection, leakage protection, overcurrent protection, overload protection, low recovery, high recovery, intelligent temperature control, solid barrier alarm
Protection Level IP20 / Customizable



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