SUNNY BOY 3000TL / 3600TL / 4000TL / 5000TL with Reactive Power Control


The same. Only better. The universally usable Sunny Boy.

It all remains the best: The new transformerless Sunny Boy is the ideal solution, especially for demanding PV arrays and partly shaded plants. Version 20 of the successful Sunny Boy offers a further array of advantages. It's more flexible in its range of applications, provides even more efficient yields, and it's easier to use. The high DC voltage of 750 V proves to be a cost advantage, since fewer parallel strings are required. In addition, the integrated grid management functions make the devices suitable for universal applications and allow them to actively support the grid.


  • Maximum efficiency of 97 %
  • Multi-string technology in all power classes
  • Cost saving due to fewer parallel strings
  • Shade management with OptiTrac Global Peak


  • Maximum DC input voltage of 750 V
  • Integrated grid management functions and reactive power provision
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