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Delta Energy Systems

Delta Energy Systems develops, manufactures and markets worldwide innovative customised and standard power management solutions. Delta Energy Systems has been investing in the research and development of solar inverter products at its German location since 1999. The result of this is something to be proud of – reliable solar inverters with high efficiencies and state-of-the-art high-frequency topology.

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RPI Home Series - H3 / H4A / H5ASingle-phase, transformerless

  • Aluminium housing ensures long lasting protection against moisture and corrosion
  • Suitable for indoor and outdoor applications (IP65)
  • Compact design for simplified installation
  • 2 MPP trackers for system design flexibility and maximum yield
  • Peak efficiency of 97.5 %

RPI M6A / M8A / M10ATransformerless, 3-phase

  • Aluminium housing ensures long lasting protection against moisture and corrosion
  • Wide input voltage range
  • Suitable for indoor and outdoor applications (IP65)
  • Peak efficiency of 98.3 %
  • Fanless design for reduced maintenance costs

RPI M15A / M20A / M30Atransformerless, 3-phase

  • 2 MPP trackers for increased flexibility and maximum yield
  • Suitable for indoor and outdoor applications (IP65)
  • Aluminium housing ensures long lasting protection against moisture and corrosion
  • Wide input voltage range

RPI M50Atransformerless, 3-phase

  • Aluminium housing ensures long lasting protection against moisture and corrosion
  • 2 MPP trackers - symmetrical and asymmetrical loading possible (40/60 % or 60/40 %)
  • Suitable for indoor and outdoor applications (IP65)
  • Built-in and replaceable AC and DC-side Type 2 SPDs (surge protection devices) and string fuses
  • Peak effi ciency of 98.6 %