SMA Sunny Island X 50-20, 50 kW - SI50-20
€ 10.661,04 exkl. USt.
SMA Sunny Island X 50-20, 50 kW - SI50-20 is backordered and will ship as soon as it is back in stock.
Advantages at a glance
50 kW Battery Inverter
SMA Sunny Island X 50-20 with 50 kW AC nominal power and 50 kVA apparent power for large high-voltage storage systems.
Three-phase feed-in
Feeds in three-phase at 400 V grid voltage and delivers up to 75.5 A maximum output current.
Backup power capable
Backup power capable with suitable accessories and designed for off-grid applications.
High-voltage battery
Charging voltage range 350-980 V, high-voltage battery connection with up to 150 A charging current.
Active cooling, IP65
Active cooling and IP65 protection for operation down to -25 °C ambient temperature.
Comprehensive interfaces
Modbus (SMA, SunSpec), SMA Speedwire, Webconnect, and Ethernet for monitoring and connectivity.
Warranty & Longevity
Technical Data
| Parameter | Value |
|---|---|
| AC Rated Power | 50 kW |
| Max. AC Power | 50.00 kVA |
| AC Grid Voltage | 400 V |
| Feed-in Phases | 3 |
| Max. Output Current | 75.50 A |
| Max. Efficiency | 98.00 % |
| Battery Voltage | High Voltage |
| Charging Voltage | 350-980 V |
| Max. Charging Current | 150.00 A |
| Topology | transformerless |
| Backup Power Capable | yes, with accessories |
| Off-Grid Application | yes |
| Cooling | active |
| Noise Emission | 69 dB |
| Interfaces | Modbus (SMA, SunSpec), SMA Speedwire, Webconnect, Ethernet |
| Protection Class | IP65 |
| Min. Ambient Temperature | -25 °C |
| Dimensions (H×W×D) | 772 x 838 x 444 mm |
| Weight | 104.0 kg |
| Origin | Germany |
| Manufacturer Part Number | SI50-20 |
Frequently Asked Questions
What is the SMA Sunny Island X 50-20?
The Sunny Island X 50-20 is a three-phase battery inverter from SMA with 50 kW AC rated power. It converts stored DC energy from a high-voltage battery into grid-compliant AC power and is designed for large storage applications and off-grid systems.
Which systems is the Sunny Island X 50-20 suitable for?
It is suitable for large commercial and industrial storage projects with a three-phase 400 V connection and high-voltage batteries in the charging voltage range of 350 to 980 V. With 50 kW of power and up to 150 A charging current, it also covers demanding self-consumption and island grid applications.
Is the Sunny Island X 50-20 capable of providing backup power?
Yes, with suitable accessories, the Sunny Island X 50-20 is capable of providing backup power and also supports off-grid applications. This means it can maintain supply in the event of a grid failure or serve as the heart of an autonomous island grid.
What interfaces does the device offer for monitoring and communication?
The Sunny Island X 50-20 has Modbus (SMA and SunSpec), SMA Speedwire, Webconnect, and Ethernet. This allows it to be integrated into common energy management and monitoring systems and monitored remotely.
Who is SMA?
SMA Solar Technology is a German manufacturer of inverters and system technology for photovoltaic and storage applications, headquartered in Niestetal. The products are manufactured in Germany and are considered particularly durable and service-friendly.
Where can I buy the SMA Sunny Island X 50-20 in Austria?
You can purchase the SMA Sunny Island X 50-20 online from SOLARVIC at solarvic.at. SOLARVIC is an Austrian PV and electrical wholesaler and delivers throughout Austria.
How can I order?
Directly online via solarvic.at -- the SOLARVIC team will be happy to help with any design questions.
Listed in the TOR-list Generator Type A (Grid connection Austria)
€ 10.661,04 exkl. USt.
SMA Sunny Island X 50-20, 50 kW - SI50-20 is backordered and will ship as soon as it is back in stock.