<p data-start="0" data-end="519">The Deye SUN-40K-G04 inverter offers exceptional efficiency with a peak of 98.7% and 98.1% European efficiency, ensuring reliable performance across varying conditions. It supports zero export and VSG applications, features a wide MPPT voltage range (200&#8211;1000V) for flexible system design, and includes optional intelligent string monitoring for detailed diagnostics. A robust protection suite, optional anti-PID function, and intelligent air cooling enhance safety and durability. With IP65 protection, broad temperature tolerance (-25&#176;C to +60&#176;C), and extensive communication interfaces (WIFI, GPRS, LAN, etc.), it is suited for diverse environments. The inverter complies with major international standards, ensuring safe and efficient integration into global solar systems.</p>
<h3>Key Features</h3>
<ul>
<li><strong>High Efficiency</strong>:&#160;The Deye SUN-40K-G04 series boasts an impressive maximum efficiency of 98.7%, ensuring minimal energy loss during the conversion process. Coupled with a European efficiency rate of 98.1%, this inverter stands out for its consistent and optimal performance under diverse conditions.</li>
<li><strong>Versatile Applications:&#160;</strong>Designed to support zero export applications and Virtual Synchronous Generator (VSG) applications, this inverter is adaptable to a range of grid requirements and regulations. This makes the SUN-40K-G04 a versatile choice for different types of solar installations.</li>
<li><strong>String Intelligent Monitoring:&#160;</strong>Optional intelligent string monitoring provides granular insights into the performance of each solar string, aiding in precise diagnostics and system maintenance for enhanced longevity and efficiency.</li>
<li><strong>Wide Voltage Range:&#160;</strong>Operating within a wide MPPT voltage range of 200 to 1000V, the inverter allows for flexible system design and maximizes energy yield. This versatility is crucial for optimizing power conversion from varying sunlight conditions.</li>
<li><strong>Comprehensive Protection Suite:</strong>&#160;The SUN-40K-G04 series comes equipped with extensive protective features, including DC polarity reverse connection protection, AC overcurrent protection, AC overvoltage protection, and AC output short circuit protection. Enhanced safety measures such as thermal protection, DC terminal insulation impedance monitoring, ground fault current monitoring, power network monitoring, island protection, and earth fault detection ensure the inverter operates reliably under all conditions.</li>
<li><strong>Anti-PID Function (Optional):</strong>&#160;The anti-PID (Potential Induced Degradation) function is available to prevent long-term performance degradation of solar panels, ensuring the system maintains high efficiency over its lifespan.</li>
<li><strong>Robust and Durable Design:&#160;</strong>With an IP65 rating, this inverter is protected against dust and water ingress, making it ideal for outdoor installations. It can operate efficiently in a broad temperature range from -25&#176;C to +60&#176;C, with derating applied above 45&#176;C to safeguard the system.</li>
<li><strong>Intelligent Air Cooling:&#160;</strong>Advanced air cooling technology ensures efficient thermal management, contributing to the inverter&#8217;s durability and operational stability even in high-temperature environments.</li>
<li><strong>Comprehensive Communication and Monitoring:&#160;</strong>Supports various communication interfaces including GPRS, WIFI, Bluetooth, 4G, and LAN on an optional basis. Standard interfaces include RS485/RS232, facilitating seamless integration with different monitoring systems and enhancing ease of maintenance and operational tracking.</li>
<li><strong>Compliance with International Standards:&#160;</strong>The inverter meets numerous international and regional standards, including IEC 61727, EN 50549, VDE-AR-N 4105, and more, ensuring it adheres to the highest safety and performance criteria required for widespread deployment.</li>
</ul>
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<h3>Technical Specifications</h3>
<ul>
<li>Max. PV Input Power:&#160;Up to 52kW</li>
<li>Max. PV Input Voltage:&#160;1100V</li>
<li>Rated AC Output Power:&#160;40kW</li>
<li>Max. AC Output Apparent Power:&#160;Up to 44kVA</li>
<li>MPPT Efficiency:&#160;&gt;99%</li>
<li>Total Current Harmonic Distortion (THDi):&#160;&lt;3%</li>
<li>Operating Temperature Range:&#160;-25 to +60&#176;C, with derating above 45&#176;C</li>
<li>Noise Level:&#160;&lt;50 db="" li=""&gt;<!--50--><!--50--><!--50--><!--50--><!--50--><!--50--><!--50--><!--50--><!--50--></li>
<li>Dimensions:&#160;434 x 570 x 243 mm</li>
<li>Weight:&#160;37.1 kg</li>
</ul>
<p>The Deye SUN-40K-G04 series is ideally suited for applications requiring robust, efficient, and reliable inverters. Whether for large-scale commercial installations or industrial solar power systems, these inverters deliver unparalleled performance and versatility.</p>