Delta RPI - H3 Solar Inverter


High-efficiency inverters for residential applications.


The Delta RPI Series offers Ultra-wide operating voltage range from 100-550V allows greater flexibility in string configuration. Even under harsh environmental conditions, the wide MPPT range makes it easy to configure PV arrays to stay within the maximum power operating range.

A solid performer that has a reputation for long consistent service.

In operation since 1971 Delta offers a standard 5-year warranty and extended warranties can be purchased after registering your product. This warranty is backed by the world's largest power electronics company, a global leader in electronics manufacturing. Delta's state-of-the-art production facilities and quality control ensure the highest level of reliability and longevity of their inverters, while their local office provides technical and engineering support.

Features and Benefits

  • Single Phase / Single MPPT design
  • Transformerless design
  • Wide voltage range
  • Class-leading peak efficiency of 97.5%
  • IP65 weather protection level
  • LCD display
  • Aluminum die-cast enclosure
  • Fanless design
  • Easy installation
  • Wall mountable