Original: $725.06
-70%$725.06
$217.52The Story
The Fronius Backup Controller is designed to keep your solar power system running smoothly during grid failures.
This controller automatically disconnects and reconnects inverters and loads, ensuring a reliable and uninterrupted power supply when you need it most.
Perfect for solar installations with battery storage, this intelligent device enables hassle-free backup power switching during outages. With its quick and easy installation, the Fronius Backup Controller eliminates the need to configure individual components, saving time and simplifying setup. A must-have for any modern hybrid solar system, it ensures your home or business stays powered, no matter what.
Main Features
Enables Full Backup: Powers part or the entire household during grid failure.
Black start capable: Can restart the system using solar and battery power, even after a complete outage.
Provides a real three-phase AC output
Allows simultaneous power supply and battery charging
Quick Specs
-
Model: Fronius Backup Controller 3P-35A
-
Function: Automatic switching for backup power systems
-
Max Current Capacity: 35 A (per phase)
-
Switching Type: Automatic
-
Installation: Space-saving – directly installed in the switch cabinet
-
Designed for quick and easy installation on a DIN rail, seamlessly integrating into your switchboard
- Dimensions and Weight: 144mm W x 100mm H x 65.6mm D / 625 g
System compatibility
- Works with Fronius GEN24 Plus inverters (Primo and Symo models)
- Supports Full Backup functionality (not available for Symo GEN24 3.0 – 5.0 Plus)
- Compatible with BYD Battery-Box Premium HVS/HVM for energy storage
- Integrates with Fronius Smart Meters (63A-1, 63A-3, 50kA-3, or Smart Meter IP)
Fronius Backup Controller 3PN - Installation & Commissioning
About the brand
Fronius Australia is guided by a bold vision: 24 hours of sun—a future powered entirely by clean, renewable energy. Since 2010, the company has delivered high-quality technologies and solutions to help monitor and manage sustainable solar energy systems. Through strategic partnerships, including with Fronius Solutions Partners, Fronius Australia works to drive this mission forward. The company also hosts regular Fronius Solutions Workshops, keeping installers and system integrators informed and competitive. Every solution offered is built around three key principles: Flexibility, Uptime, and Optimisation
Specifications
Fronius Backup Power Solution - Backup Controller DATASHEET
Manual
Description
The Fronius Backup Controller is designed to keep your solar power system running smoothly during grid failures.
This controller automatically disconnects and reconnects inverters and loads, ensuring a reliable and uninterrupted power supply when you need it most.
Perfect for solar installations with battery storage, this intelligent device enables hassle-free backup power switching during outages. With its quick and easy installation, the Fronius Backup Controller eliminates the need to configure individual components, saving time and simplifying setup. A must-have for any modern hybrid solar system, it ensures your home or business stays powered, no matter what.
Main Features
Enables Full Backup: Powers part or the entire household during grid failure.
Black start capable: Can restart the system using solar and battery power, even after a complete outage.
Provides a real three-phase AC output
Allows simultaneous power supply and battery charging
Quick Specs
-
Model: Fronius Backup Controller 3P-35A
-
Function: Automatic switching for backup power systems
-
Max Current Capacity: 35 A (per phase)
-
Switching Type: Automatic
-
Installation: Space-saving – directly installed in the switch cabinet
-
Designed for quick and easy installation on a DIN rail, seamlessly integrating into your switchboard
- Dimensions and Weight: 144mm W x 100mm H x 65.6mm D / 625 g
System compatibility
- Works with Fronius GEN24 Plus inverters (Primo and Symo models)
- Supports Full Backup functionality (not available for Symo GEN24 3.0 – 5.0 Plus)
- Compatible with BYD Battery-Box Premium HVS/HVM for energy storage
- Integrates with Fronius Smart Meters (63A-1, 63A-3, 50kA-3, or Smart Meter IP)
Fronius Backup Controller 3PN - Installation & Commissioning
About the brand
Fronius Australia is guided by a bold vision: 24 hours of sun—a future powered entirely by clean, renewable energy. Since 2010, the company has delivered high-quality technologies and solutions to help monitor and manage sustainable solar energy systems. Through strategic partnerships, including with Fronius Solutions Partners, Fronius Australia works to drive this mission forward. The company also hosts regular Fronius Solutions Workshops, keeping installers and system integrators informed and competitive. Every solution offered is built around three key principles: Flexibility, Uptime, and Optimisation
Specifications
Fronius Backup Power Solution - Backup Controller DATASHEET
