On-Grid
Sungrow undefined SG17RT

Sungrow • Sungrow SG15/17/20RT

SG17RT

Region:Germany, Poland, Lithuania, Czech Republic
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.
25.5kW
Nominal AC Power
98.5%
Max Efficiency
370 x 480
Dimensions (mm)
Size Your System Find Installer

Ideal Use Case

The Sungrow SG17RT is tailored for specific solar energy needs. This inverter is an excellent choice if you:

Operate a 25.5 kW commercial solar installation
Use three-phase grid connection
Need 2 independent MPPT trackers for different roof orientations
Want maximum energy harvest (98.5% peak efficiency)
Focus on grid-tied operation without battery storage
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 Power25.5 kW
Max Efficiency98.5 %
Euro Efficiency98.1 %
Max AC Current28.3 A
Rated AC Current24.6 A
Number of Feed-in Phases3
THD (Total Harmonic Distortion)3 %

DC Input Data

MPP Voltage Range160~1000 V
Max DC Voltage1100 V
Min DC Voltage to Start180 V
Max DC Current50 A
Number of MPP Trackers2
DC Inputs4
ConnectorsMC4

Mechanical & Environmental Data

Dimensions (W x H x D)370 x 480 x 195 mm
Weight21.0 kg
Protection ClassIP65
Cooling MethodFan
DisplayLED
InterfaceRS 485, Ethernet, WLAN

Operating Conditions

Operating Temperature-25 ~ +60 ℃
Humidity0-100 %
Frequency45-65 Hz
Max Altitude4000 m
Transformer TypeTransformerless
Power Consumption (Night)6 W

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Product FAQ

What size solar array can the Sungrow SG17RT handle?

The Sungrow SG17RT has a nominal AC output of 25.5kW with a maximum efficiency of 98.5%. It is typically paired with a solar array of 31–33kW DC for optimal energy harvest.

Is the Sungrow SG17RT a hybrid inverter?

The Sungrow SG17RT is a on-grid inverter. To add battery storage, you would need a separate AC-coupled battery inverter or upgrade to a hybrid model.

Does the Sungrow SG17RT have WiFi monitoring?

Most Sungrow 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.

How many MPPT trackers does the Sungrow SG17RT have?

This inverter features 2 independent MPPT trackers with a maximum DC input voltage of 1100V. Multiple trackers allow panels on different roof faces or orientations to operate independently for maximum yield.

Is the Sungrow SG17RT 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.