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Wenzhou Sunuse Electric Technology Co., Ltd.  

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MPPT Pure Sine Wave Micro Grid Tie Inverter , 500 Watt household power inverter 

Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: SV300

Fans&Heatsink micro inverter Lighte


Fans&Heatsink micro inverter Lighter Weight with MPPT and  Pure Sine Wave Output



Display function:


1. AC voltage display

When the 125VAC LED lit up, it means the AC output is 125V.

When the 230VAC LED lit up, it means the AC output is 230V.

2. Outage display

When the Fault LED lit up, is means there is no electricity or the output is fail, and the inverter restart.

3. Power shows

Power output LED: The 5 red LEDS take turns lighting, the quicker the lights move, the more power output.

4. AC frequency display

When the 50Hz LED lit up, it means the input frequency is 50Hz.

When the 60Hz LED lit up, it means the input frequency is 60Hz.

5. DC over-voltage display

When the Fault LED and the “HIGH” LED lit up, it means the DC input is over 62VDC

6. DC under- voltage display

             When the Fault LED and the “LOW” LED lit up, it means the DC input is low 22VDC.

             7. grade power search

      In overcast weather, the solar battery’s output current is extremely tiny, then inverter will

      automatic open 6-grade power search function.

    1) The program can automatically open power adjustment for 6 times.

2) The current direction can adjust from the maximum to the minimum.

3) In automatic adjustment process, we will see the LOW light flashing. And the power will        keep  as a starting point, from 0 to the maximum output power, and it will restart at most for 6 times, then locked in the maximum power, the ST lamp long bright.

4) It need 10 minutes for 6-grade power search.

8. voltage input(22-60VDC)

       1) DC voltage input:22-60VDC

       2) Second level power variable voltage conversion

       9. High-frequency two-way and one-way grid function

1)  High frequency direct modulation, AC half wave synthesis

2Two-way grid means: Load consume directly. And can reverse AC current transmission.




SIV Series Can effectively prevent rainwater on the surface erosion, Built-in high-performance Maximum Power Point Tracking(MPPT)Function,Better able to track changes in the solar luminosity and control different output power, Effectively capture and collect sunlight. AC electric power transmission using the reverse transmission technology, Is one of our patented technology, The inverter output power can provide load priority use, Extra electricity to the grid, Efficient use of the inverter to the power emitted, Electricity transmission rate of up to 99%.



SVI Grid-series models 300Watt 500Watt
Recommend use solar panels 400Wp 600Wp
DC MAX input current 20A 40A
AC MAX output power 300Watt 500Watt
DCMAX Open-circuit input-voltage 50VDC
DC input voltage range 22~50VDC
MAX output power factor 0.99
DC input Reverse voltage protection FUSE
AC output voltage range (120V versions:90~140VAC)(230V versions:180~260VAC)
AC frequency range 45-53Hz/55-63Hz
THDI <5%
AC Phase <0.5%
Islanding protection VAC;f AC
Output short circuit protection Current-limiting
Show LED mode:power instruction;voltage instruction;AC frequency instruction;over-voltage instruction
Installation Wall hanging
Cooling Fan
Communication way 60KHz modulation,power line carrier-current communication
Standby Power <1W
Night Power <1W
Ambient temperature range -25 °C~60°C
Humidity 0~99%(Indoor Type Design)
Waterproof Indoor Type Design
Electromagnetic Compatibility EN50081.part1 EN50082.part1
Power System Disturbance EN61000-3-2 EN60950-1
Network test DIN VDE 1026


  Packing and weight  :


N.W(Each inverter)


G.W(Each inverter)


Each inverter size (L x W x H)

21 x 16.5 x5.3CM

Inner carton size(L x W x H)


Master carton size(L x W x H) 

43x32x38CM (6 PCS)

N.W(Outer packing)

11KG(300W/500W )

G.W(Outer packing)

12KG(300W/500W )


Installation instruction:




Please read the below notes carefully before installation:


A) Make sure the open voltage and operation voltage is in the range of 22-60V, and we recommend the 36V rated voltage solar panel


B) Make sure the inverter’s  AC voltage and frequency is the same with power grid voltage and fr

 Mr. Sophie

Tel: 86-577-57181685
Contact to this supplier

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Company Info

Wenzhou Sunuse Electric Technology Co., Ltd. [China (Mainland)]

Business Type:Manufacturer
City: Wenzhou
Province/State: Zhejiang
Country/Region: China (Mainland)

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