On-Grid, Hybrid
Kehua undefined SPI50K-B

Kehua • SPI30/33/36/40/50/60K-B

SPI50K-B

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.
0kW
Nominal AC Power
99%
Max Efficiency
600 x 860
Dimensions (mm)
Size Your System Find Installer

Ideal Use Case

The Kehua SPI50K-B is tailored for specific solar energy needs. This inverter is an excellent choice if you:

Have a small residential system (0.0 kW or less)
Use three-phase grid connection
Need 4 independent MPPT trackers for different roof orientations
Want maximum energy harvest (99.0% 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 Power0 kW
Max Efficiency99 %
Euro Efficiency98.4 %
Max AC Current79.4 A
Rated AC Current75.9 A
Number of Feed-in Phases3
THD (Total Harmonic Distortion)3 %

DC Input Data

MPP Voltage Range300~1000 V
Max DC Voltage1100 V
Rated DC Voltage600 V
Min DC Voltage to Start300 V
Max DC Current120 A
Number of MPP Trackers4
DC Inputs12

Mechanical & Environmental Data

Dimensions (W x H x D)600 x 860 x 294 mm
Weight68.0 kg
Protection ClassIP65
Cooling MethodNatural
DisplayLCD, LED
InterfaceRS 485, WLAN

Operating Conditions

Operating Temperature-25 ~ +60 ℃
Humidity0-95 %
Frequency45-65 Hz
Max Altitude4000 m
Power Consumption (Night)1 W

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Product FAQ

What size solar array can the Kehua SPI50K-B handle?

The Kehua SPI50K-B has a nominal AC output of 0kW with a maximum efficiency of 99%. It is typically paired with a solar array of 0–0kW DC for optimal energy harvest.

Is the Kehua SPI50K-B a hybrid inverter?

Yes, the Kehua SPI50K-B is a hybrid inverter that supports direct battery connection for energy storage and backup power.

Does the Kehua SPI50K-B have WiFi monitoring?

Most Kehua 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 Kehua SPI50K-B have?

This inverter features 4 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 Kehua SPI50K-B 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.