SolaX Power Network Technology (Zhejiang) Co.,Ltd.
SolaX Power Network Technology (Zhejiang) Co.,Ltd.
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x3 grand hv
x3 grand hv
x3 grand hv1731377638
Three Phase Inverter

X3-GRAND HV

X3-GRAND HV

300kW / 320kW / 333kW / 350kW

Flexible Adaptability


  • 6 MPPTs, 5 strings per MPPT for precise power

  • Power line communication (PLC) (Optional)*



High Efficiency


  • Up to 99.03% efficiency

  • 500~1500Vdc MPPT range

  • Max. 32A DC input per MPPT, optimized for high-power solar panel



Intelligent Design


  • IV curve scan

  • AC terminal temperature detection

  • Night-time SVG voltage regulation support



Assured Safety


  • 24 hours monitoring

  • AFCI support (optional)

  • IP66 protection degree

  • Effective Anti-PID Protection*

  • Optional Type I+II SPD on DC side & Type II SPD on AC side



Why X3-GRAND HV

Choose the X3-GRAND HV inverter for its exceptional performance, featuring up to 99% efficiency, a wide voltage range, 6 MPPTs, and 75A current for maximum energy capture. 

With IP66 protection, temperature monitoring, and remote operation capabilities, it offers robust safety and streamlined maintenance for professional energy management.



X3-GRD-300K-HV
X3-GRD-320K-HV
X3-GRD-333K-HV
X3-GRD-350K-HV

CategoryX3-GRD-300K-HV
DC SideMax. PV input voltage [V]1500V
Nominal   input voltage [V]1080V
MPPT   voltage range [V]550~1500V
Strings per MPP tracker/No. of MPP trackers5/6
Max. PV input current per MPPT75A
Max. input short circuit current Isc per MPPT115A
AC SideRated AC output power [kW]300kVA
Rated AC  output current [A]216.6A
Max. short circuit current418.9 A
Nominal   AC voltage [V]3W+PE,800V
Nominal AC frequency50Hz/60Hz
Adjustable Power Factor Range~1 (0.8 leading-0.8 lagging)
EFFICIENCYMax. efficiency99.03%
European weighted efficiency98.8%
GENERALTopologyNon-isolated
Dimensions   (W×H×D) [mm]1225 × 825.5 × 369.1 mm
Net weight [kg]130






CategoryX3-GRD-320K-HV
DC SideMax. PV input voltage [V]1500V
Nominal   input voltage [V]1080V
MPPT   voltage range [V]550~1500V
Strings per MPP tracker/No. of MPP trackers5/6
Max. PV input current per MPPT75A
Max. input short circuit current Isc per MPPT115A
AC SideRated AC output power [kW]320kVA
Rated AC  output current [A]231A
Max. short circuit current418.9 A
Nominal   AC voltage [V]3W+PE,800V
Nominal AC frequency50Hz/60Hz
Adjustable Power Factor Range~1 (0.8 leading-0.8 lagging)
EFFICIENCYMax. efficiency99.03%
European weighted efficiency98.8%
GENERALTopologyNon-isolated
Dimensions   (W×H×D) [mm]1225 × 825.5 × 369.1 mm
Net weight [kg]130







CategoryX3-GRD-333K-HV
DC SideMax. PV input voltage [V]1500V
Nominal   input voltage [V]1080V
MPPT   voltage range [V]550~1500V
Strings per MPP tracker/No. of MPP trackers5/6
Max. PV input current per MPPT75A
Max. input short circuit current Isc per MPPT115A
AC SideRated AC output power [kW]333kVA
Rated AC  output current [A]240.3A
Max. short circuit current418.9 A
Nominal   AC voltage [V]3W+PE,800V
Nominal AC frequency50Hz/60Hz
Adjustable Power Factor Range~1 (0.8 leading-0.8 lagging)
EFFICIENCYMax. efficiency99.03%
European weighted efficiency98.8%
GENERALTopologyNon-isolated
Dimensions   (W×H×D) [mm]1225 × 825.5 × 369.1 mm
Net weight [kg]130












CategoryX3-GRD-350K-HV
DC SideMax. PV input voltage [V]1500V
Nominal   input voltage [V]1080V
MPPT   voltage range [V]550~1500V
Strings per MPP tracker/No. of MPP trackers5/6
Max. PV input current per MPPT75A
Max. input short circuit current Isc per MPPT115A
AC SideRated AC output power [kW]352kVA
Rated AC  output current [A]254A
Max. short circuit current418.9 A
Nominal   AC voltage [V]3W+PE,800V
Nominal AC frequency50Hz/60Hz
Adjustable Power Factor Range~1 (0.8 leading-0.8 lagging)
EFFICIENCYMax. efficiency99.03%
European weighted efficiency98.8%
GENERALTopologyNon-isolated
Dimensions   (W×H×D) [mm]1225 × 825.5 × 369.1 mm
Net weight [kg]130












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