On-Grid
Deye undefined Sun-4K-G
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Deye • Sun-3.6/4/5/6K-G

Sun-4K-G

Region:China
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.
5.2kW
Nominal AC Power
97.5%
Max Efficiency
330 x 323
Dimensions (mm)
Size Your System Find Installer

Ideal Use Case

The Deye Sun-4K-G is tailored for specific solar energy needs. This inverter is an excellent choice if you:

Have a 5.2 kW residential PV system
Use single-phase grid connection
Need 2 independent MPPT trackers for different roof orientations
Prioritize high efficiency performance
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 Power5.2 kW
Max Efficiency97.5 %
Euro Efficiency97.3 %
Max AC Current19.1 A
Rated AC Current17.4 A
Number of Feed-in Phases1
THD (Total Harmonic Distortion)3 %

DC Input Data

MPP Voltage Range70~550 V
Max DC Voltage550 V
Min DC Voltage to Start80 V
Max DC Current26 A
Number of MPP Trackers2
DC Inputs2

Mechanical & Environmental Data

Dimensions (W x H x D)330 x 323 x 190 mm
Weight8.0 kg
Protection ClassIP65
Cooling MethodNatural
DisplayLCD
InterfaceRS 232, RS 485

Operating Conditions

Operating Temperature-25 ~ +65 ℃
Humidity0-100 %
Frequency50, 60 Hz
Max Altitude2000 m
Transformer TypeTransformerless
Power Consumption (Night)0 W

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Product FAQ

What size solar array can the Deye Sun-4K-G handle?

The Deye Sun-4K-G has a nominal AC output of 5.2kW with a maximum efficiency of 97.5%. It is typically paired with a solar array of 6–7kW DC for optimal energy harvest.

Is the Deye Sun-4K-G a hybrid inverter?

The Deye Sun-4K-G 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 Deye Sun-4K-G have WiFi monitoring?

Most Deye 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 Deye Sun-4K-G have?

This inverter features 2 independent MPPT trackers with a maximum DC input voltage of 550V. Multiple trackers allow panels on different roof faces or orientations to operate independently for maximum yield.

Is the Deye Sun-4K-G a single-phase inverter?

Yes, this is a single-phase inverter. Single-phase inverters are the most common choice for standard residential grid connections.