SMA Backup Box (3-phase, 63A) - BU-STPH-3P63B
€ 616,20 exkl. USt.
SMA Backup Box (3-phase, 63A) - BU-STPH-3P63B is backordered and will ship as soon as it is back in stock.
Advantages at a Glance
Three-phase changeover box
The SMA Backup Box BU-STPH-3P63B automatically switches to backup power supply in three phases in the event of a power outage.
63 A rated current
Designed for 63 A per phase – for three-phase protection of high-power household systems.
Automatic backup power
Automatically disconnects from the public grid in the event of a power outage and continues to supply the household grid via the inverter.
Grid-safe disconnection
The Backup Box ensures standard-compliant grid disconnection in backup power mode (3-pole, 63 A).
Easy integration
Designed as a system component to match the SMA inverter concept and prepared for installation in the sub-distribution board.
Quality from SMA
SMA is one of the established manufacturers of inverter and system technology in photovoltaics.
Technical Data
| Parameter | Value |
|---|---|
| Product type | Backup Box / Transfer Switch |
| Grid connection | 3-phase |
| Rated current | 63 A per phase |
| Function | Automatic grid transfer for backup power operation |
| Manufacturer | SMA |
| Manufacturer part number | BU-STPH-3P63B |
Frequently Asked Questions
What is the SMA Backup Box BU-STPH-3P63B?
The SMA Backup Box is a three-phase transfer switch that automatically switches to backup power supply in the event of a public grid failure. It is designed for a rated current of 63 A per phase and disconnects the household grid from the public grid in a standard-compliant manner.
What is the Backup Box needed for?
It enables automatic backup power operation: If the grid fails, the Backup Box ensures the transfer so that the household grid continues to be supplied with power via the appropriate SMA inverter.
Which systems is the Backup Box suitable for?
The three-phase version with 63 A is suitable for household systems that require an automatic emergency power supply across all three phases. It is intended as a coordinated system component of the SMA inverter concept.
Does this make the system backup-power capable?
Yes. In conjunction with a suitable SMA inverter, the Backup Box enables an automatic backup power supply to the household grid in the event of a power outage, without the need for manual switching.
Who is SMA?
SMA is an established manufacturer of inverters and system technology for photovoltaics. The product range includes devices and components for private and commercial solar systems.
Where can I buy the SMA Backup Box in Austria?
You can purchase the SMA Backup Box BU-STPH-3P63B online from SOLARVIC at solarvic.at. Shipping is available throughout Austria.
How can I order?
Directly online via solarvic.at – the SOLARVIC team will be happy to help with any questions regarding design.
€ 616,20 exkl. USt.
SMA Backup Box (3-phase, 63A) - BU-STPH-3P63B is backordered and will ship as soon as it is back in stock.