SMI-350
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Kaideng Energy's fifth-generation SMI series communication products adopt a waterproof streamlined design, which can better provide heat dissipation for the equipment. The built-in maximum power point...

SMI-400-1-EN

Kaideng Energy's fifth-generation SMI series communication products adopt a waterproof streamlined design, which can better provide heat dissipation for the equipment. The built-in maximum power point tracking engine (MPPT) can better capture the changes in light, even in rainy weather, and it can capture and collect sunlight to the greatest extent. The inverter is compatible with a variety of conventional solar panels with an open circuit voltage of 22~60V, and through technical means, the panel can exert its best performance.

ModelSMI-350
  DC Input
Recommended solar panels1×435W
MPPT operating voltage range30-54V
Starting voltage>22V d.c.
Operating voltage range22-60V d.c.
Max input current16A
Max input short circuit current18A
Array max feedback current0A
  AC Output
Max output power350W
Rated output current@120V 2.9A; @230V 1.5A
Standard output voltage range120/230V a.c. Adaptive output
Standard frequency range50/60Hz
Power factor (def/adj)> 0.99 default
0.95 leading...0.95 lagging
Harmonic Distortion Of Output Current<5%
Maximum number of connections per branch@120V 15PCS; @230V 25PCS
  Technical Features
Peak Microinverter Efficiency92.70%
CEC weighted efficiency92.50%
Nominal MPPT Efficiency99.80%
Night power consumption (mW)0
Ambient temperature range-20℃~+50℃
Storage temperature range-20℃~+50℃
Dimensions (L .xWxH)164×187×48.5mm
Weight0.82kg
Waterproof levelOutdoor Nema 3R(IP65)
Cooling methodNatural cooling (no fan)
Degree of pollutionPD3
Power Delivery ModeReverse transmission, load priority
Communication methodWi-Fi
Rated transmit power802.11b: +17dBm &plusmn; 1.5dBm (@11Mbps) 
802.11g: +15dBm &plusmn; 1.5dBm (@54Mbps) 
802.11n: +14dBm &plusmn; 1.5dBm (@HT20, MCS7) 
Surveillance systemSmart Life
Electrical StandardEN 55011:2016+A2:2021;BS EN 55011:2016+A2:2021
CISPR 11:2015/AMD2:2019;
EN IEC 61000-3-2:2019+A1:2021; EN IEC 62311:2020
BS EN IEC 61000-3-2:2019+A1:2021;
EN 301 489-1 V2.2.3 (2019-11);IEEE 1547A:2014
EN 301 489-17 V3.2.4 (2020-09);
EN 300 328 V2.2.2 (2019-07);
DIN VDE V 0126-1-1 (VDE V 0126-1-1):2013-08;
VDE-AR-N 4105 (VDE-AR-N 4105):2011-08;
DIN VDE V 0124-100 (VDE V 0124-100):2012-07;
IEC 62109-1:2010; IEC 62109-2:2011
DIN VDE 0126-1-1 (VDE V 0126-1-1):2013-08 VFR 2019
UL 1741:2010 Ed.2+R:16Sep2020
CSA C22.2#107.1:2016 Ed.4
ABNT NBR 16149:2013;ABNT NBR 16150:2013 
ABNT NBR IEC 62116:2012 
ANEXO III &ndash; parte 2, Portaria n,&ordm; 357, de 01 de agosto de 2014
Bluetooth2402-2480MHz  Bluetooth EIRP Power (Max.)   7.89dBm
Wi-Fi(2.4G)2412-2472MHz  Wi-Fi 2.4G EIRP Power (Max.)  18.08dBm
  Package
SpecificationSingle(packaging)FCL(8 Pcs)
G.W.1.05Kg16.2Kg
Size(mm)360×215×60mm495×375×235mm

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Customer feedback on our solar products

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E***u

April 4, 2024

The Kadant WVC Series Communicator is definitely the smartest solar solution I've ever used! The design is not only beautiful but also super practical, the waterproof streamline is excellent in the outdoors, the heat dissipation effect is excellent, the MPPT engine doesn't fall off even on cloudy days, and the energy efficiency is amazing. 95% conversion rate proves that it is the top technology, not to mention that it is seamlessly integrated with my diversified solar panels, and the improvement in performance is immediately visible. Owning this kind of equipment feels like investing in the future, and every detail reveals the word “professional”, which is highly recommended to all friends who pursue an efficient and green life!

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S***r

February 20, 2024

As a long-time user of sustainable technology, Kadant Energy's inverter really caught my eye. Not only is it safe and reliable with many international certifications, but its reverse transmission technology is simply the conscience of the industry, ensuring that every bit of energy is effectively utilized. It is easy to install, works stably and makes almost no noise at all, which really realizes powering my house silently. Coupled with that superb value and excellent heat dissipation design, it's absolutely ideal for modern home energy management, big kudos!

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G***t

April 28, 2024

I was on the fence about the Kadant WVC series at first, but was completely won over after using it. The product's performance on rainy days is impressive, and the constant and stable power supply has swept away the anxiety of power outages in my home. The smart interaction with the grid ensures that we are both self-sufficient and giving back to the community, which is a fantastic feeling! And, Kadant's customer service team is professional and patient in answering questions, which is very reassuring. Overall, it's an investment worth every penny, kudos to the environment and efficiency!

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P***y

February 12, 2024

My satisfaction with this inverter from Kadant exceeded expectations. From the moment I opened the box, I could feel the high quality of the product - solid workmanship and subtle design. After installation, the efficiency of the home's energy system has increased significantly, and the electricity bill has been reduced immediately, which is really economical and environmentally friendly. Special mention is made of its adaptability to different light conditions and its ability to keep working efficiently even on cloudy days, making it a great choice for those looking for an efficient energy solution.

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E***c

March 9, 2024

The Kadant 5th Generation Communicating Inverter is one of the best of its kind that I have tested. Its smart tracking technology and high conversion efficiency have revitalized my home's solar system. What's more, it integrates perfectly into my smart home ecosystem and is extremely easy to operate and monitor. The spirit of innovation and environmentally friendly design philosophy behind the product is something to be admired. If you are looking for a long-term reliable green energy partner, the Kadant WVC series is definitely worth trusting.

Why choose us

Under the trend of replacing traditional energy with new energy, photovoltaic energy, known for its energy saving, environmental protection, green and recyclable, is the most prominent.

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