Solax 40kW Three-Phase On-Grid X3-MEGA G2 IP66 Solar Inverter
Solax 40kW Three-Phase On-Grid X3-MEGA G2 IP66 Solar Inverter - Image 2
Solax 40kW Three-Phase On-Grid X3-MEGA G2 IP66 Solar Inverter - Image 3
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Solax 40kW Three-Phase On-Grid X3-MEGA G2 IP66 Solar Inverter

Solax 40kW Three-Phase On-Grid Inverter Features

  • High Conversion Efficiency
    Delivers an impressive up to 98.4% peak efficiency, maximizing energy yield from solar input.

  • Flexible & Generous PV Input Capability

    • Supports 150% PV oversizing and 110% AC output overloading, allowing a higher capacity of solar generation.

    • Handles up to 6 MPPT trackers (4 for 40 kW model) with 2 strings per tracker and a maximum of 32 A per MPPT.

  • Wide MPPT Voltage Range
    Operates over a broad MPPT range of 180–1000 V DC (up to 1100 V max), enabling diverse solar array configurations.

  • Heavy-Duty Build & Protection

    • Encased in an IP66-rated housing, fully dust-tight and resistant to powerful water jets—ideal for harsh environments.

    • Includes both AC & DC Type II Surge Protection Devices, with optional Type I+II SPD and AFCI arc-fault protection.

  • Smart Energy Management & Maintenance

    • Features built-in export power control, remote firmware updates, and smart I-V curve diagnostics.

    • Includes night-time reactive power compensation and smart string current monitoring for enhanced efficiency.

  • Advanced Thermal Design
    Equipped with smart air cooling to extend fan life and an optimized heat dissipation system that makes the unit over 10% lighter and more compact than similar inverters.

  • Compact Yet Robust Form Factor
    Dimensions: 630 × 521 × 286 mm, Weight: ≈44 kg, ensuring easy installation and high power density.

  • 24/7 Monitoring & Diagnostics
    Supports optional 24-hour operational monitoring, remote setting capabilities, and seamless system diagnostics.

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Solax 40kW Three-Phase On-Grid X3-MEGA G2 IP66 Solar Inverter

The SolaX X3-MEGA G2 40kW is a high-performance, three-phase on-grid solar inverter engineered for large-scale commercial and industrial solar projects. With up to 98.4% conversion efficiency, advanced 6 MPPT trackers (4 for the 40kW model), and support for 150% PV oversizing, this inverter guarantees maximum energy yield even under complex installation conditions.

Built with an IP66 weatherproof design, it ensures durability in harsh outdoor environments, while integrated Type II AC/DC Surge Protection Devices (SPD) and optional AFCI arc-fault protection provide comprehensive system safety.

Smart features such as remote monitoring, export power control, I-V curve diagnostics, and string current monitoring make the X3-MEGA G2 one of the most intelligent and reliable choices for large solar plants. Its compact, lightweight build with advanced air-cooling technology ensures long-lasting performance and easier installation.

Whether powering factories, farms, or commercial facilities, the SolaX X3-MEGA G2 40kW delivers robust efficiency, superior protection, and intelligent energy management—helping businesses achieve energy independence and lower operational costs.

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DC Input

Max. PV array input power [kWp]
 60
Max. PV input voltage [V]
 1100
Nominal input voltage [V]*
 600
Startup voltage [V]
 200
MPP tracker voltage range [V]
 180-1000
No. of MPP trackers
 4
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]
 40
Rated AC output current [A]*
 60.6 / 58
Max. AC output apparent power [kVA]
 44
Max. AC output current [A]*
 66.7 / 63.8
Nominal AC voltage [V]
 220/380V, 230/400V, 3/N/PE, 3/PE
AC voltage range [V]**
 304 ~ 460
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 [%]
 98.4
Max. efficiency [%]
 98.1
Standby consumption [W] @Night
 <2
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]
 630*521*286
Weight [kg]
 44
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
Over current 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
Over temperature protection
 YES
SPD (DC/AC)
 Type II / Type II
Arc-fault circuit interrupter(AFCI)
 Optional
AC auxiliary power supply(APS)
 Optional
Power line communication(PLC)
 Optional

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