The Grundfos Renewable Solar Inverter (RSI)



The Grundfos Renewable Solar Inverter (RSI) is an off-grid solar inverter converting DC power from solar panels to AC power supply for pump operation. The RSI can be used in both new and existing 3-phase pump systems up to 50 hp, 440V, and is suitable for use with a variable frequency drive. AC and DC compatible, the RSI can be connected to the grid or a generator as back-up power during solar panel disruptions.


The RSI is designed for continuous as well as intermittent operation. The system is suitable for various water supply systems including irrigation. The RSI can be used in existing systems with submersible pumps or above ground pumps, thus providing a very wide range of applications allowing you to leverage renewable energy sources with the ability to back up the system with grid or generator power.

Features & Benefits

  • Capable of powering 3-phase pumps up to 50 hp, 440V
  • Maximum power point tracking (MPPT)
  • AC/DC compatibility
  • NEMA 4X enclosure rating
  • Setup wizard with Grundfos product library
  • Overvoltage and undervoltage protection
  • Overload protection
  • Overcurrent protection
  • Overtemperature protection
  • No-load protection
  • Operating history memory
  • Detachable control panel
  • Reduces AC power energy costs



RSI Product Flyer

Product Flyer


Download PDF

117 KB - 2 Pages

RSI Data Booklet

Data Booklet


Download PDF

3.29 MB - 16 Pages


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Ask a Product Question

Ask a Product Question

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