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The maximum efficiency of SUN2000 is up to 98.6%. The performance is good at medium and high irradiation, which helps SUN2000-20KTL rank A+/A+ in Photon efficiency test. This series of products supports maximally 3 MPPT for versatile adaption to different module types or quantities built up with different alignments. Natural cooling technology makes SUN2000 more reliable, lower noise emission of 29 dB and quiet for people.

This series of products meets Germany BDEW MV directive and VDE AR N 4105 LV directive, CE Low Voltage Directive and the Directive for Electromagnetic Compatibility, Italy Enel-GUIDA and CEI 0-21 certification, as well as China Golden Sun certification. It has good environment adaptability and can be used for various scenarios covering from 8kW to Megawatts, either rooftop or ground mounted power plants.

Higher Yields

  • SUN2000-20KTL Photon test result: A+/A+ at medium and high irradiation
  • Maximum efficiency 98.6%
  • European efficiency 98.3%

High Reliability

  • With 20 years technology accumulation in telecom power, the same platform building inverter product
  • No need of external fan with natural cooling technology
  • Type II DC and Type III AC surge protection devices integrated
  • Warranty up to 25 years


  • Maximum of 3 MPPT for versatile adaption to different module types or quantities built up with different alignments
  • Up to 6 strings intelligent monitoring and fault detection
  • Local graphic LCD and remote monitoring
  • RS 485 and USB ports for connectivity and data management


  • 48kg@23KW, compact design of 0.08m3
  • Easy connection with external waterproof DC / AC and signal terminals
  • Noise ≤ 29dB
  • Outdoor application of IP65

Efficiency Curve

Circuit Diagram

Technical Specifications