Deye
Deye 18-25kW Three Phase String Inverter
SUN-18/20/25K-G05-AU




This new series of three-phase output inverter has wider range of 18kw, 20kw, 25kw than the original series, at the same time still got two integrated MPPTs, allowing two-array to input from different roof orientations. In addition, it allows the system to be monitored and controlled remotely. 2 MPP tracker, Max. efficiency up to 98.6% Zero export application, VSG application String intelligent monitoring (optional) Wide output voltage range Anti-PID function (Optional)
Key Features
Maximized Efficiency: The Deye SUN-(18-25)K-G05 series boasts a maximum efficiency of up to 98.6% with a European efficiency rating of 98%. This high efficiency ensures maximum energy conversion from the solar panels, minimizing losses and ensuring optimal performance.
MPPT Efficiency: With an MPPT efficiency greater than 99%, these inverters ensure that the solar panels operate at their optimal power point, leading to higher energy yields. The MPPT voltage range of 200-1000V provides flexibility in selecting panels and configurations.
PV Input Specifications: The inverters support a maximum PV input power accommodated comfortably within various models’ specific ranges. They come with a start-up voltage of 250V and can handle a rated PV input voltage of 600V, ensuring compatibility with a broad array of solar panel setups.
AC Output Capacities: Equipped to handle significant power outputs, the SUN-25K-G05 model, for instance, offers a rated AC output active power of 25kW with a maximum AC output apparent power of up to 27.5kVA. They provide robust AC output options suitable for different grid standards, including 220/380V and 230/400V.
Grid Compatibility: The inverters support a grid connection form of 3L/N/PE with rated output voltages of 220/380V and 230/400V, and a permissible range of 0.85Un-1.1Un. This adaptability ensures seamless integration into various grid configurations.
Comprehensive Protection: The series incorporates extensive protection features, including DC polarity reverse connection protection, AC output overcurrent and overvoltage protection, and DC injection current regulation to less than 0.5%ln. Additionally, it has thermal protection, earth fault detection, and ground fault current monitoring, ensuring safe and reliable operation.
Environmental Robustness and Noise Management: Designed to operate in temperatures from -25 to +60°C with derating above 45°C, these inverters can function effectively in diverse climates. They maintain noise levels below 50 dB and are rated IP65 for dust and water resistance, ensuring durability and reliability.
Advanced Monitoring and Connectivity: These inverters offer various monitoring modes including GPRS, WIFI, Bluetooth, 4G, and LAN, along with RS485/RS232 communication interfaces, facilitating easy and efficient system management and monitoring.
Surge Protection: The inverters are equipped with TYPE II surge protection for both DC and AC sides, enhancing their longevity and reliability by protecting against electrical surges.
Easy Installation and Maintenance: With a compact design (362×527×220 mm) and a weight of 20 kg, excluding connectors and brackets, these inverters are easy to handle and install.
Warranty: A standard 5-year warranty underscores the reliability and durability of these inverters, offering peace of mind to investors and users.