On-Grid
KACO undefined 125 NX3 M10

KACO • Blueplanet 100 NX3 / 125 NX3

125 NX3 M10

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.
250kW
Nominal AC Power
99.1%
Max Efficiency
1023 x 740
Dimensions (mm)
Size Your System Find Installer

Ideal Use Case

The KACO 125 NX3 M10 is tailored for specific solar energy needs. This inverter is an excellent choice if you:

Manage a large 250.0 kW commercial or industrial solar array
Use three-phase grid connection
Need 10 independent MPPT trackers for different roof orientations
Want maximum energy harvest (99.1% 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 Power250 kW
Max Efficiency99.1 %
Euro Efficiency98.7 %
Max AC Current546 A
Rated AC Current541.2 A
Number of Feed-in Phases3
THD (Total Harmonic Distortion)3 %

DC Input Data

MPP Voltage Range550~850 V
Max DC Voltage1100 V
Rated DC Voltage620 V
Min DC Voltage to Start250 V
Max DC Current30 A
Number of MPP Trackers10
DC Inputs2

Mechanical & Environmental Data

Dimensions (W x H x D)1023 x 740 x 330 mm
Weight85.0 kg
Protection ClassIP66
Cooling MethodFan
DisplayLED
InterfaceRS 485, Ethernet, USB

Operating Conditions

Operating Temperature-25 ~ +60 ℃
Humidity0-100 %
Frequency45-65 Hz
Max Altitude3000 m
Transformer TypeTransformerless
Power Consumption (Night)0 W

Similar Products

Product FAQ

What size solar array can the KACO 125 NX3 M10 handle?

The KACO 125 NX3 M10 has a nominal AC output of 250kW with a maximum efficiency of 99.1%. It is typically paired with a solar array of 300–325kW DC for optimal energy harvest.

Is the KACO 125 NX3 M10 a hybrid inverter?

The KACO 125 NX3 M10 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 KACO 125 NX3 M10 have WiFi monitoring?

Most KACO 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 KACO 125 NX3 M10 have?

This inverter features 10 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 KACO 125 NX3 M10 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.