DN3 Series (4 - 12KTL)

Main characteristics

The DN3 Series (4 - 12KTL) Three-Phase Grid-Tied Inverter is designed for highly efficient and stable solar grid-connected power systems. Featuring natural cooling technology, it operates silently without generating noise, making it environmentally friendly. Its IP65-rated outdoor design offers excellent protection, enabling reliable performance in harsh conditions—from intense sunlight to heavy rain. With a wide MPPT voltage range (140 - 1000V), it is compatible with various PV module configurations, enhancing solar energy capture and conversion efficiency. The inverter supports remote firmware upgrades, allowing users to automatically receive feature updates and performance optimizations for continuous peak performance. Additionally, it includes built-in zero injection functionality and supports 150% DC input overload capacity, ensuring system stability and improved power generation efficiency.

Key Features

High Efficiency & Energy Savings:  
● This series delivers outstanding performance, with a maximum efficiency of up to 98.5% and a European efficiency of 98.0%. It minimizes energy loss during solar power conversion, improving energy utilization and reducing overall power generation costs.

Flexible Configuration for Diverse Needs:
● With rated AC output ranging from 4000W to 12000W and a maximum recommended PV power from 6000W to 18000W, this series accommodates various solar system sizes. The power factor is adjustable from 0.8 leading to 0.8 lagging, adapting well to complex grid environments

Comprehensive Protection & Reliable Safety:
● Equipped with DC insulation monitoring, reverse polarity protection, anti-islanding protection, residual current monitoring, AC overcurrent protection, and AC short-circuit protection. Select models also support optional AFCI protection and PID recovery function. Type II surge protection on the DC side ensures complete safety and minimizes the risk of damage or hazards due to abnormal conditions.

Smart Communication & Monitoring:
● Comes standard with RS485 and USB communication interfaces and supports WiFi connectivity. Optional 4G or Ethernet modules are also available. These communication options enable users to monitor the inverter remotely in real time, allowing for smart management and timely troubleshooting.

Quiet Operation & Environmentally Friendly: 
● With natural cooling, the inverter maintains stable performance while keeping noise levels below 35dB—virtually silent. Its low-noise operation makes it ideal for noise-sensitive areas such as residential neighborhoods and commercial zones, ensuring it won’t disturb the surrounding environment or daily life.