Fronius Primo 3.8 kW Single Phase Grid-Tied Inverter 208/240VAC

The Fronius Primo 3.8 kW inverter delivers premium performance to homeowners who want reliable and efficient solar energy conversion. This single-phase grid-tied inverter is engineered by Fronius, a trusted industry leader with more than 75 years of manufacturing expertise. It converts DC power from your solar panels into clean, usable AC electricity for your home.

Designed specifically for residential applications, the Fronius Primo features a wide 208/240VAC voltage range. This broad range supports various grid configurations commonly used across North America. Its SnapINverter mounting system provides an innovative and tool-free installation experience, reducing both labor costs and setup time effectively.

In addition to its advanced hardware, it integrates a datalogger and built-in WiFi connectivity. This combination enables real-time system monitoring via the Fronius Solar.web platform. You gain full access to your energy production data and system performance anytime and anywhere with ease.

One of the key benefits of this inverter is its SuperFlex Design. It maximizes energy harvest by supporting two independent Maximum Power Point Trackers (MPPT). This feature ensures optimal performance even if your solar panels face different directions or are partially shaded at times.

Key Features & Benefits of the Fronius Primo

This inverter is loaded with features to deliver exceptional value to homeowners. It helps you get the most from your solar array while ensuring long-term reliable operation. Each element of its design is focused on enhancing performance and ease of use.

High-Efficiency Energy Conversion

This inverter achieves up to 96.5% peak efficiency, which maximizes the energy harvested from your solar system. It minimizes conversion losses, helping to lower your electricity bills and reduce your carbon footprint. Fronius Primo stands out for its energy-saving capabilities.

Dual MPPT Technology

With two independent MPPT trackers, this inverter adapts effectively to varying roof angles and shading conditions. The technology optimizes power output in complex residential solar setups. Even if parts of your system face shade, overall energy production remains strong and steady.

Smart Monitoring Included

It includes built-in WiFi connectivity for convenient system monitoring. The free Fronius Solar.web portal allows 24/7 access to system alerts, production data, and historical performance analytics. You can easily track your solar energy flow from any smart device.

SnapINverter Mounting System

The SnapINverter mounting system presents an innovative quick-mount design. It separates the wiring compartment from the power stage. This feature streamlines installation and simplifies maintenance since power stage removal does not require cable disconnection.

Quiet and Durable Operation

This inverter uses fanless convection cooling technology, which results in quiet operation. Its IP65-rated enclosure ensures superior protection from dust, water, and other environmental factors. This design flexibility allows either indoor or outdoor installation based on your needs.

Technical Specifications

It's compact and lightweight aluminum enclosure provides exceptional power density. This durable design ensures the inverter withstands harsh outdoor conditions for many years. It is built to last, delivering reliable performance through various weather challenges.

Backed by a 10-year standard warranty, extendable to 15 or 20 years, the Fronius Primo 3.8 kW inverter represents a smart investment for your home’s energy future. Its combination of reliability and robust design offers homeowners peace of mind alongside ongoing energy savings.