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Solax 4 kw On-Grid Inverter X1 4.2-T


Key Features:

  • Maximum efficiency 97.8%
  • Dual MPPT
  • Wide voltage range; max DC input voltage of 600V
  • Low start up voltage
  • No internal fan – low noise design
  • IP65 rated for indoor or outdoor use
  • 10 year warranty
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Solax 4 kw On-Grid Inverter X1 4.2-T

The SolaX vision is to be a world leader in the development, production and distribution of solar inverters.
SolaX have developed the Boost range of single phase dual MPPT inverters to be unrivalled in the industry for their quality, reliability and efficiency.
The SolaX Boost single phase, dual MPPT inverters boast a wide MPPT voltage range to allow for more energy harvesting and have a maximum input voltage of 580V, with a maximum efficiency of 97.8%.
For system information, the optional Pocket WiFi from SolaX enables remote monitoring for the full SolaX inverter range. A simple plug-in device will allow the end-user to view their systems performance anywhere in the world.


Rated Power Band3.50 – 4.99 kW
Rated Power4200W
PhaseSingle Phase
Maximum DC Power4600W
Maximum AC Power4200W
Maximum AC Current19A
Maximum PPT Voltage580V
Minimum PPT Voltage125V
Strings per MPPT1
Maximum Input Voltage600V
Start Up Voltage110V
Maximum DC Current12A
MPPT Trackers2
Connector TypeMC4
Integrated DC SwitchNo
IP RatingIP65
Manufacturers Warranty10 Yrs
Is FeaturedNo



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