Utility String Inverter
X3-GRAND HV
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300kW / 320kW / 333kW / 350kW
The SolaX X3-GRAND HV is a 350kW ground-mounted string inverter delivering 99.03% efficiency with 6 MPPT trackers for optimal energy harvest. It features Type II SPD protection, AFCI (optional), and PID mitigation for enhanced safety. Its 1500V DC input and PLC communication ensure wide compatibility, while modular design simplifies installation and maintenance
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Product Advantage
The X3-GRAND grid tied inverter is designed for both new and retrofit ground-based solar power station projects. Designed for durability, the utility-scale inverter supports operation at altitudes up to 5000 meters and is protected by an IP66-rated enclosure. An automatic tripping switch further enhances safety in harsh outdoor conditions.
Flexible Adaptability
6 MPPTs, 5 strings per MPPT for precise power
Power line communication (PLC)
Intelligent Design
IV curve scan
24 hours monitoring
Night-time SVG voltage regulation support
High Efficiency
Up to 99.03% efficiency
500~1500Vdc MPPT range
Max. 75A DC input per MPPT, optimized for high-power solar panel
Assured Safety
AC & DC terminal temperature detection
AFCI support (optional)
IP66 ingress protection
Effective Anti-PID protection (optional)
Type ll SPD on DC side (Optional Type I + ll SPD), Type ll SPD on AC side
Product Parameters
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X3-GRD-300K-HV-
PV INPUT
Max. recommended PV array power 450 kWp Operating voltage range 500 ~ 1500 d.c. V No. of MPP trackers / strings per MPP tracker 6 / 5 Max. input current per MPPT 75 d.c. A -
AC INPUT & OUTPUT (ON-GRID)
Rated output apparent power 300 kVA Rated AC voltage 3W / PE, 800 a.c. V -
GENERAL
Ingress protection IP66 Dimensions (W × H × D) 1225 x 825.5 x 369.1 mm
Net Weight < 130 kg Cooling concept Smart air cooling
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X3-GRD-320K-HV
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PV INPUT
Max. recommended PV array power 480 kWp Operating voltage range 500 ~ 1500 d.c. V No. of MPP trackers / strings per MPP tracker 6 / 5 Max. input current per MPPT 75 d.c. A -
AC INPUT & OUTPUT (ON-GRID)
Rated output apparent power 320 kVA Rated AC voltage 3W / PE, 800 a.c. V -
GENERAL
Ingress protection IP66 Dimensions (W × H × D) 1225 x 825.5 x 369.1 mm
Net Weight < 130 kg Cooling concept Smart air cooling
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X3-GRD-333K-HV
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PV INPUT
Max. recommended PV array power 499.5 kWp Operating voltage range 500 ~ 1500 d.c. V No. of MPP trackers / strings per MPP tracker 6 / 5 Max. input current per MPPT 75 d.c. A -
AC INPUT & OUTPUT (ON-GRID)
Rated output apparent power 333 kVA Rated AC voltage 3W / PE, 800 a.c. V -
GENERAL
Ingress protection IP66 Dimensions (W × H × D) 1225 x 825.5 x 369.1 mm
Net Weight < 130 kg Cooling concept Smart air cooling
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X3-GRD-350K-HV
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PV INPUT
Max. recommended PV array power 525 kWp Operating voltage range 500 ~ 1500 d.c. V No. of MPP trackers / strings per MPP tracker 6 / 5 Max. input current per MPPT 75 d.c. A -
AC INPUT & OUTPUT (ON-GRID)
Rated output apparent power 350 kVA Rated AC voltage 3W / PE, 800 a.c. V -
GENERAL
Ingress protection IP66 Dimensions (W × H × D) 1225 x 825.5 x 369.1 mm
Net Weight < 130 kg Cooling concept Smart air cooling
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Data Download
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Datasheet
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User Manual
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Quick Installation Guide
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Certification
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