Fronius Grid-Connected Inverter Primo 4.6-1 4.6 kW 230 V - FR46-01PR

The Fronius Primo 4.6-1 — is one of the best options for residential solar systems. This 4.6 kW single-phase inverter delivers excellent efficiency, features two MPPT trackers, IP65 protection, built-in Wi-Fi, and smart energy management functions. Most importantly, it is fully compatible with Victron Energy hybrid inverters for implementing energy storage systems via AC coupling.

Key benefits of the Fronius Primo grid-tied inverter

• Maximum efficiency – 98.1%

• 2 independent MPPT trackers for greater flexibility

• Reliable IP65 protection – for indoor and outdoor installation

• Integrated web server, data logger, WLAN, and Ethernet

• Integrated support for Fronius Solar.web and JSON API

• Support for dynamic generation limitation (Zero feed-in)

• AC coupling with Victron MultiPlus, Quattro, and ESS systems

Technical Features

• Power: 4600 VA / 4600 W

• DC operating voltage: 80–800 V, input range: 80–1,000 V

• 2 MPPT at 12 A each, total of 4 DC inputs (2+2)

• Maximum AC output current: 20 A

• Frequency: 50/60 Hz, range: 45–65 Hz

• Standby power consumption: <1 W

• Temperature range: -40°C to +55°C

• Made in Austria

Application scenarios

• Private households with a single-phase grid

• Complex roof shapes thanks to SuperFlex Design

• Properties with grid feed-in restrictions

• Victron Energy hybrid systems – energy storage and backup power

Service support in Ukraine

Total-Energo LLC is an official partner of Fronius and Victron in Ukraine. We provide full support: from equipment selection to installation and warranty service. Our team consists of certified specialists who support your project at every stage.

Communication and Monitoring Interfaces

• WLAN / Ethernet LAN – connection to Fronius Solar.web, JSON API support

• Modbus TCP and Modbus RTU (SunSpec) – for integration with power grids and meters

• USB-A – for firmware updates and data export

• 2 × RS422 (RJ45) – Fronius Solar Net

• Digital inputs/outputs (6 IN / 4 OUT) – load control, relays

• S0 interface – for connecting a meter or surge protection

• Potential-free relay – energy management

• AC coupling with Victron Energy – allows the Fronius Primo 4.6-1 to be used as a PV generator in a Victron ESS hybrid system.