
Introduction
The Single Phase Dual MPPT On Grid Solar Inverter, with a power capacity ranging from 4 to 6 kilowatts, is an efficient device utilized in converting the direct current produced by solar systems into usable alternating current for both residential and commercial purposes. As a crucial component of solar power generation systems, our solar inverters exhibit remarkable efficiency, reaching up to 98.3%. This outstanding efficiency ensures optimal performance of your solar system, resulting in higher energy savings and cost reduction. Additionally, our inverters are designed with natural cooling mechanisms and feature an anti-corrosion alloy material shell, enhancing heat dissipation and facilitating quick cooling. These factors contribute to further improving the overall efficiency of the inverter.

The 4~6kw Single Phase Dual MPPT On Grid Solar Inverter is equipped with innovative dual MPPT technology that enables it to achieve optimal energy conversion efficiency, regardless of the position of the solar panels. By constantly monitoring the voltage and current of the panels, this inverter can capture the sun's energy and convert it into usable electricity.
This solar inverter is an intelligent device that comes with a host of advanced features, including remote monitoring and diagnosis functions. Users can connect it to the network and remotely monitor the entire solar power generation system, using their mobile app or computer browser. The inverter's intelligent design ensures that the solar power system is running efficiently, and alerts and diagnostics are provided in case of any issues.
Overall, this highly efficient and intelligent solar inverter is an excellent choice for anyone looking to harness the power of solar energy and save on energy costs. Whether you're looking to power your home or business, this inverter is powerful, reliable, and easy to use.
The intelligent photovoltaic cloud detection function of the 4~6kw Single Phase Dual MPPT On Grid Solar Inverter allows it to operate efficiently even in rainy weather. By detecting cloud movement, the inverter can adjust the output voltage of the solar panels to ensure optimal performance. Additionally, it is equipped with anti-reverse current protection to prevent any reverse flow from the solar panel to the inverter. This product is also designed with a high level of protection, reaching an IP65 rating, making it dustproof and waterproof. With a weight of only 8.5kg and a compact body, it can be easily installed indoors or outdoors without being affected by unfavorable weather conditions.
Detail Show

Product Specification
Model | OST 4KTL-D15 | OST 5KTL-D15 | OST 6KTL-D15 |
Max. Efficiency | 98.0% | 98.2% | 98.2% |
European Efficiency | 97.0% | 97.3% | 97.4% |
Max. Input Voltage | 550V | ||
Max. PV configuration (STC) | 150% | ||
Rated Input Voltage | 360V | ||
Max. Input Current | 30A (2*15A) | ||
Max.Short Circuit Current | 40A (2*20A) | ||
Start Input Voltage | 90V | ||
MPPT Operating Voltage Range | 70V-540V | ||
Max. Number of PV Strings | 2 (1/1) | ||
No. of MPPTs | 2 | ||
Rated AC Active Power | 4,000W | 5,000W | 6,000W |
Max. AC Apparent Power | 4,400VA | 5,500VA | 6,000VA |
Max. AC Active Power (PF=1) | 4,400W | 5,500W | 6,000W |
Max. AC Output Current | 20A | 25A | 27.3A |
Rated AC Voltage | 220V/230V, L+N+PE | ||
AC Voltage Range ① | 160V-300V (Adjustable) | ||
Topology | Transformer less | ||
IP Rating | IP65 | ||
Night Self Consumption | <1W | ||
Cooling | Natural cooling | ||
Operating Temperature Range | -25℃-60℃ | ||
Relative Humidity Range | 0-100% | ||
Max. Operating Altitude | 4000m | ||
Noise (typical) | 30dB | ||
Dimensions (W*H*D) | 350mm*347mm*137mm | ||
Weight | 8.5Kg | ||
Display | Wireless & APP+LED, LCD (Optional) | ||
Communication | Optional: WiFi / GPRS / RS485 | ||
Safety | IEC62109-1/2 | ||
Grid Code | IEC 61000-1/2/3/4, IEC 61727/62116, CEI 021 | ||
Warranty | 5 Years | ||




FAQ
Q:When I can receive quotation and detail information after sending the enquiry?
A:Within 24 hours.
Q:How long is the warranty?
A:Normally it is 5 years.
Q:What’s the lead time?
A:Normally it takes around 6 weeks after order confirmation.
Q:What’s the payment term?
A:30% TT in advance, balance against copy of B/L, or L/C at sight.
Q:Can you help me to select suitable products?
A:Sure, please send us inquiry and tell us your demand, we will have professional team to support you in model selection.
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