Hybrid
SMA undefined Sunny Island X 50
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SMASunny Island X SI30-20 / SI50-20

Sunny Island X 50

Region:Germany
Region shows where the seller or factory is located. Most ship globally, and all listed suppliers should be able to ship to your current location.
50kW
Nominal AC Power
98%
Max Efficiency
3 x 837
Dimensions (mm)

Ideal Use Case

The SMA Sunny Island X 50 is tailored for specific solar energy needs. This inverter is an excellent choice if you:

Manage a large 50.0 kW commercial or industrial solar array
Use three-phase grid connection
Want maximum energy harvest (98.0% peak efficiency)
Want to add battery storage now or in the future
Operate in extremely cold climates

Don’t guess your solar setup — calculate it first!

Take our Solar Quiz to get a personalized recommendation for panels, inverter, battery capacity, and system size — before you spend money on the wrong setup.

Run Technical Sizing

AC Output Data

Nominal AC Power50 kW
Max Efficiency98 %
Euro Efficiency97.2 %
Max AC Current0 A
Rated AC Current0 A
Number of Feed-in Phases3
THD (Total Harmonic Distortion)0 %

DC Input Data

Max DC Voltage980 V
Min DC Voltage to Start0 V
Max DC Current0 A
Number of MPP Trackers0
DC Inputs0

Mechanical & Environmental Data

Dimensions (W x H x D)3 x 837 x 772 mm
Weight104.0 kg
Protection ClassIP65, NEMA 4X
DisplayLED
InterfaceWLAN

Operating Conditions

Operating Temperature-25 ~ +60 ℃
Humidity0-95 %
Frequency44-66 Hz
Power Consumption (Night)0 W

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Product FAQ

What size solar array can the SMA Sunny Island X 50 handle?

The SMA Sunny Island X 50 has a nominal AC output of 50kW with a maximum efficiency of 98%. It is typically paired with a solar array of 60–65kW DC for optimal energy harvest.

Is the SMA Sunny Island X 50 a hybrid inverter?

Yes, the SMA Sunny Island X 50 is a hybrid inverter that supports direct battery connection for energy storage and backup power.

Does the SMA Sunny Island X 50 have WiFi monitoring?

Most SMA inverters come with or support optional WiFi/Ethernet dongles. This allows you to track your solar production and battery status via a mobile app or web portal in real-time.

Is the SMA Sunny Island X 50 a three-phase inverter?

Yes, this is a three-phase inverter. Three-phase inverters are ideal for larger homes, commercial systems, or regions with three-phase grid connections.