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Solax 100kW Three-Phase On-Grid X3-FORTH IP66 Solar Inverter


Solax 100kW Three-Phase On-Grid Inverter Features

  • Ultra-High Efficiency
    Delivers up to 99% peak efficiency, maximizing energy conversion for exceptional system performance.

  • Flexible Oversizing & Overload Capacity
    Supports 150% PV oversizing and 110% AC output overloading, allowing enhanced energy yield and system scalability.

  • Robust MPPT Architecture
    Equipped with up to 12 MPPT trackers, each handling two PV strings and capable of 32 A per tracker for optimized energy capture.

  • Wide MPPT Input Voltage Range
    Operates with MPPT inputs from 180 to 1000 V DC, making it compatible with varied PV panel configurations.

  • Advanced Safety Features

    • Built-in Type II Surge Protection Devices (SPD) on both AC and DC sides.

    • Optional AFCI (Arc-Fault Circuit Interrupter) available for enhanced protection.

    • AC terminal temperature detection, string current monitoring, and 24/7 operation monitoring capabilities.

  • Reliable Outdoor Protection (IP66 Rated)
    Fully dust-tight and water-resistant, guaranteeing durability in even the harshest outdoor environments.

  • Smart Energy and Maintenance Functions
    Includes built-in export power control, remote settings & firmware upgrades, I-V curve diagnostics, night-time reactive power compensation, and aluminum AC cable compatibility.

  • Efficient Thermal Management
    Features smart air-cooling technology paired with optimized heat dissipation for a lighter, more compact design—being over 5% smaller and lighter than comparable models.

  • Compact & Installation-Friendly Design
    Even with a 100 kW output, it maintains manageable dimensions (~985 × 660 × 327.5 mm) and a weight around 83 kg for easy installation and service.

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Solax 100kW Three-Phase On-Grid X3-FORTH IP66 Solar Inverter

The Solax X3-FORTH G2 100kW Three-Phase On-Grid Solar Inverter is a next-generation solution designed for large-scale commercial and industrial solar installations. Engineered with up to 99% efficiency, 12 independent MPPTs, and a wide DC voltage range (180V–1000V), it ensures maximum energy harvesting even under complex or shaded conditions.

Supporting 150% PV oversizing and 110% AC overloading, the X3-FORTH G2 provides outstanding flexibility and higher yields, making it ideal for maximizing system ROI. Safety and reliability are at the core of its design, with built-in Type II SPD protection on both AC/DC sides, optional AFCI arc detection, and advanced string monitoring with temperature sensors.

With its IP66 rating, the inverter is fully dustproof and weather-resistant, ensuring durable performance in outdoor environments. Advanced smart features, including remote monitoring, firmware upgrades, I-V curve scanning, and night-time reactive power compensation, simplify operation and maintenance.

Compact yet powerful, the Solax X3-FORTH G2 100kW delivers unmatched performance, efficiency, and protection—making it the perfect choice for commercial rooftops, solar farms, and utility-scale projects.

DC Input

Max. PV array input power [kWp]
150
Max. PV input voltage [V]
1100
Nominal input voltage [V]*
580/600
Startup voltage [V]
200
MPP tracker voltage range [V]
180-1000
No. of MPP trackers
9
Strings per MPP tracker
2
Max. PV input current per MPPT [A]
32
Isc PV Array Short Circuit current per MPPT [A]
46

AC Output

Rated AC output power [kW]
100
Rated AC output current [A]*
151.6/145
Max. AC output apparent power [kVA]
110
Max. AC output current [A]*
166.7/159.5
Nominal AC voltage [V]
220/380, 230/400, 3/N/PE, 3/PE
AC voltage range [V]**
304 ~ 480
Nominal AC frequency/AC frequency range [Hz]**
50/60; ±5
THDi (Rated power) [%]
<3
Power Factor range
0.8 leading ~ 0.8 lagging

System Data

MPPT efficiency [%]
99.9
Max. efficiency [%]
98.6
Ingress protection
IP66
Operating ambient temperature range [°C]
-30~+60 (Derating above 45)
Max. operation altitude [m]
4000 (Derating above 3000)
Relative humidity [%]
0~100
Dimensions [W×H×D] [mm]
985×660×327.5
Weight [kg]
83
Cooling concept
Smart fan cooling
Communication interfaces
RS485 / USB / DRM / PLC(Optional)
Optional monitoring dongle
Pocket WiFi/LAN/4G
Display
LCD(16×2, optional)/LEDx4

Protection

Over/under voltage protection
YES
DC isolation protection
YES
Grid monitoring
YES
DC injection monitoring
YES
Residual current detection
YES
Anti-islanding protection
YES
String fault detection
YES
SPD (DC/AC)
Type II / Type II
Arc-fault circuit interrupter(AFCI)
Optional
AC terminals over temperature detection
YES
AC auxiliary power supply(APS)
Optional
Power line communication(PLC)
Optional

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