SMA Backup Kit (3-phase, 63A) - BU-STPH-3P63K
€ 528,49 exkl. USt.
SMA Backup Kit (3-phase, 63A) - BU-STPH-3P63K is backordered and will ship as soon as it is back in stock.
Advantages at a glance
Three-phase backup power supply
The SMA Backup Kit provides automatic switchover to backup power in a three-phase grid with up to 63 A per phase.
63 A rated current
Designed for 63 A per phase, suitable for common three-phase household connections and higher backup power capacities.
Secure grid disconnection
Automatically disconnects the household grid from the public grid in the event of a power outage, preventing unintentional back-feeding.
Automatic changeover operation
Switches independently between grid and backup power operation, without requiring manual intervention.
For self-consumption systems
Extends PV systems with storage with a practical backup power function for the entire household grid.
Pre-configured kit
As a complete set (BU-STPH-3P63K) prepared for installation and ready for three-phase use.
Technical data
| Parameter | Value |
|---|---|
| Manufacturer | SMA |
| Product type | Backup Kit (Backup power switching) |
| Manufacturer part number | BU-STPH-3P63K |
| Grid type | Three-phase (3~) |
| Rated current | 63 A per phase |
| Function | Automatic switching grid/backup power operation |
Frequently asked questions
What is the SMA Backup Kit (3P, 63A)?
The SMA Backup Kit (BU-STPH-3P63K) is a pre-configured set for three-phase backup power switching. It enables automatic switching of the household grid to backup power operation in the event of a power outage and is designed for 63 A per phase.
Which systems is the Backup Kit suitable for?
The kit is suitable for three-phase PV systems with battery storage that are to be extended with an automatic backup power function for the entire household grid. The connection is designed for three-phase household connections with up to 63 A per phase.
How does the backup power switching work?
In the event of a public grid failure, the Backup Kit automatically disconnects the household grid from the main grid and switches to backup power operation. After the main grid returns, the system automatically switches back, without manual intervention and without unintentional back-feeding.
Is a battery necessary for operation?
Yes, for backup power operation, an energy source such as a battery storage unit that can provide power in island mode is required. The Backup Kit handles the safe switching between grid and backup power operation.
Who is SMA?
SMA is an established manufacturer of system technology for photovoltaics with many years of experience in inverters, storage, and energy management solutions. The Backup Kit complements the SMA system portfolio with a three-phase backup power function.
Where can I buy the SMA Backup Kit in Austria?
The SMA Backup Kit (3P, 63A) is available online at solarvic.at. If you have questions about the design of your backup power solution, the SOLARVIC team will be happy to advise you.
How can I order?
Directly online via solarvic.at - the SOLARVIC team will be happy to assist with any questions regarding the design.
€ 528,49 exkl. USt.
SMA Backup Kit (3-phase, 63A) - BU-STPH-3P63K is backordered and will ship as soon as it is back in stock.