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Fronius Backup Switch 1P/3P-63 A | Emergency power capable | 1-/3-phase | DIN rail mounting
Scope of delivery
- Fronius Backup Switch 1P/3P-63 A
- Assembly and operating instructions
Your benefits at a glance
Reliable emergency power operation with fast switching:
The Fronius Backup Switch 1P/3P-63 A is your premium solution for a reliable and secure emergency power supply for your photovoltaic system. Specially developed for Fronius GEN24 hybrid inverters, this high-quality load-break switch ensures a quick and secure power supply even in the event of a power outage.
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Reliable emergency power operation:
Thanks to ultrafast switching, you enjoy virtually uninterrupted power in an emergency. The Fronius Backup Switch reacts within a very short time and reliably supplies critical loads. -
Flexible application:
The backup switch is universally suitable for single-phase and three-phase systems and offers maximum flexibility.
The compact design and simple DIN rail mounting ensure quick and safe integration into existing installations.
Technical highlights
The backup switch allows critical household appliances to continue operating in the event of an emergency power outage, while meeting the highest safety standards. The separation of the phase conductors ensures additional operational safety.
- Rated current: 63 A
- Rated voltage: 400/230 V AC
- Switching: 1- or 3-phase
- Compatible with Fronius Primo GEN24 and Symo GEN24 hybrid inverters
- Separation of phase conductors for maximum safety
- Mounting on DIN rail (35 mm)
- Protection class IP20 (indoor)
- Dimensions: 135 × 70 × 91 mm
Network compatibility & notes
This backup switch is specifically designed for grid systems where only the phases need to be separated (TN-CS systems). For grid systems that require separation of the neutral conductor, please select the Fronius Backup Switch 1PN/3PN-63 A.
Switching briefly explained
- Flip the lever: the network is disconnected and the consumers are briefly without power.
- Islanding: GEN24 Plus checks battery/PV, creates its own 230/400 V grid and synchronizes.
- Power is restored: All lines connected to the backup circuit are receiving power again.
Main features
- 1-/3-phase emergency power operation: High flexibility for different grid types.
- Ultra-fast switching for critical consumers.
- Separation of the phase conductors for additional safety.
- Can be mounted on a DIN rail – compact and easy to install.
- Quality “Made in Austria” – durable, low-maintenance, reliable.
Tip
With the Fronius Backup Switch 1P/3P-63 A you are making a first-class choice for reliable and professional emergency power solutions in your home or business.
Internal information
When battery charge level, PV performance, and communication are adequate, installers report real-life downtimes of between 8 and 30 seconds. The 90 seconds is a conservative upper limit, as the process is triggered manually (there is no fixed standard time).
For truly uninterruptible (<20 ms) loads, you need either the GEN24's integrated PV Point socket (switchover time < 23 s according to the data sheet) or an external UPS. The backup switch is not designed for this.