On-Grid
Sineng Electric undefined SP-40K

Sineng Electric • SP-40K

SP-40K

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
910 x 572
Dimensions (mm)
Size Your System Find Installer

Ideal Use Case

The Sineng Electric SP-40K 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)
Need 4 independent MPPT trackers for different roof orientations
Want maximum energy harvest (99.0% peak efficiency)
Focus on grid-tied operation without battery storage
Operate in extremely cold climates
Prefer silent, maintenance-free operation

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 Efficiency98.6 %
Max AC Current60.8 A
Rated AC Current0 A
Number of Feed-in Phases0
THD (Total Harmonic Distortion)3 %

DC Input Data

MPP Voltage Range200~1000 V
Max DC Voltage1100 V
Rated DC Voltage620 V
Min DC Voltage to Start0 V
Max DC Current88 A
Number of MPP Trackers4
DC Inputs8

Mechanical & Environmental Data

Dimensions (W x H x D)910 x 572 x 285 mm
Weight58.0 kg
Protection ClassIP65
Cooling MethodNatural
InterfaceRS 485

Operating Conditions

Operating Temperature-30 ~ +60 ℃
Frequency45-65 Hz
Max Altitude3000 m
Power Consumption (Night)0 W

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Product FAQ

What size solar array can the Sineng Electric SP-40K handle?

The Sineng Electric SP-40K 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 Sineng Electric SP-40K a hybrid inverter?

The Sineng Electric SP-40K 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 Sineng Electric SP-40K have WiFi monitoring?

Most Sineng Electric 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 Sineng Electric SP-40K 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.