Solax 50kW Three-Phase On-Grid X3-MEGA G2 IP66 Solar Inverter
Solax 50kW Three-Phase On-Grid X3-MEGA G2 IP66 Solar Inverter - Image 2
Solax 50kW Three-Phase On-Grid X3-MEGA G2 IP66 Solar Inverter - Image 3
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Solax 50kW Three-Phase On-Grid X3-MEGA G2 IP66 Solar Inverter

Solax 50kW Three-Phase On-Grid Inverter Features

  • High Efficiency Performance
    Achieves up to 98.4% peak efficiency, ensuring optimal solar energy conversion.

  • Generous PV Oversizing & AC Overload Capability
    Supports 150% DC oversizing and 110% AC overloading, allowing for enhanced energy output beyond nominal ratings.

  • Robust MPPT Configuration
    Equipped with 5 MPPT trackers, each managing 2 strings, with up to 32 A per tracker.

  • Wide MPPT Voltage Range
    Operates across 180–1000 V DC, facilitating flexible solar array designs.

  • High PV Input Capacity
    Supports up to 75 kWp of PV array input.

  • Rugged IP66 Weather Protection
    Fully sealed against dust and powerful water jets—perfect for outdoor deployment.

  • Advanced Safety Measures
    Includes Type II surge protection (AC & DC sides), and optional AFCI arc-fault protection for enhanced electrical safety.

  • Smart Diagnostics & Grid Support
    Features include smart I–V curve diagnostics, night-time reactive power compensation, built-in export power control, and hassle-free remote configuration and firmware updates.

  • Efficient Thermal Design
    Utilizes smart air cooling technology and optimized heat dissipation, reducing size and weight by over 10% for durable and reliable operation.

  • Compact & Lightweight Build
    Dimensions: 630 × 521 × 286 mm, Weight: 44.5 kg, balancing high output with space-saving design.

  • Flexible Communication & Monitoring Options
    Offers remote monitoring via Wi-Fi, RS-485, Solax Cloud, USB, LAN, or 4G for real-time performance tracking.

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Solax 50kW Three-Phase On-Grid X3-MEGA G2 IP66 Solar Inverter

The Solax X3-MEGA G2 50kW Three-Phase On-Grid Solar Inverter is a powerful and reliable solution designed for large-scale commercial and industrial solar installations. With a peak efficiency of 98.4%, support for 150% PV oversizing, and 110% AC output capacity, it ensures maximum energy harvest and stable power delivery under all conditions. Equipped with 4 MPPT trackers and wide DC input range, it provides excellent flexibility for diverse PV system designs.

Built with an IP66-rated enclosure, the X3-MEGA G2 guarantees long-lasting performance in harsh outdoor environments, while advanced safety features such as Type II AC & DC surge protection and optional AFCI arc-fault detection enhance system reliability. Its intelligent energy management system offers export power control, smart string monitoring, I-V curve scanning, and remote firmware upgrades, making it a truly future-ready inverter.

The Solax X3-MEGA G2 50kW combines robust engineering with intelligent technology to deliver maximum efficiency, safety, and durability for demanding solar projects.

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DC Input

Max. PV array input power [kWp]
 75
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
 5
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]
 50
Rated AC output current [A]*
 75.8 / 72.5
Max. AC output apparent power [kVA]
 55
Max. AC output current [A]*
 83.3 / 79.7
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]
 44.5
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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