Solax 20kW Three-Phase On-Grid X3-PRO G2 IP66 Solar Inverter
Solax 20kW Three-Phase On-Grid X3-PRO G2 IP66 Solar Inverter - Image 2
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Solax 20kW Three-Phase On-Grid X3-PRO G2 IP66 Solar Inverter

Solax 20kW Three-Phase On-Grid Inverter Features

  • Exceptional Efficiency
    Delivers up to 98.5% peak efficiency, maximizing energy conversion.

  • Flexible PV Design
    Supports up to 30 kWp PV input, with 150% DC oversizing and 110% AC overload output capacity to enhance energy yield.

  • Advanced MPPT Capability
    Features an ultra-wide MPPT voltage range (up to 1100 V) and 32 A per MPPT tracker, with global MPP scanning for optimized performance under all conditions.

  • Sturdy IP66 Protection
    Engineered with a fully dust-tight and water-resistant housing—perfect for harsh outdoor environments.

  • Built-In Safety Measures
    Comes with Type II SPD protection on both AC and DC sides, with optional AFCI (arc fault protection) to boost operational safety.

  • Smart Energy Management
    Offers built-in export power control and intelligent load management (e.g., heat pumps, EV chargers via adapter box), along with 24/7 monitoring and firmware updates via Wi-Fi, LAN, or optional 4G.

  • Scalable & Compact Design
    Supports Master/Slave parallel operation for system scaling and boasts ultra-high power density in a compact form factor (~26 kg, 482 × 417 × 186 mm).

  • Wide Operating Range
    Designed for robust performance in diverse conditions: -30 °C to +60 °C, up to 4000 m altitude, and 0–100% humidity (condensing).

  • Full Grid Compliance
    Meets multiple global safety and grid standards, including VDE 4105, EN 50549, AS 4777.2, and IEC 62109-1/2, among others.

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Solax 20kW Three-Phase On-Grid X3-PRO G2 IP66 Solar Inverter

The SolaX X3-PRO G2 20kW Three-Phase On-Grid Solar Inverter is a high-performance solution designed for large residential, commercial, and industrial solar systems. With its maximum efficiency of up to 98.5%, wide MPPT voltage range, and dual MPPT tracking, it ensures optimal energy harvest even under complex conditions.

Engineered with IP66 protection, the X3-PRO G2 is fully weather-resistant, making it suitable for both indoor and outdoor installations. It supports 150% DC oversizing and 110% AC output overloading, enabling maximum flexibility and higher yields.

Built-in Type II surge protection (AC & DC), optional AFCI arc fault protection, and full compliance with international grid standards guarantee safe and reliable operation. The inverter also integrates export control, smart load management (EV chargers, heat pumps, etc.), and offers 24/7 monitoring via Wi-Fi, LAN, or optional 4G.

Compact yet powerful, the X3-PRO G2 20kW is ideal for scalable, future-ready solar installations, delivering outstanding efficiency, durability, and smart energy management for long-term performance.

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DC Input

Max. PV array input power [Wp]
 30000
Max. PV input voltage [V]
 1100
Nominal input voltage [V]*
 650
Startup voltage [V]
 200
MPP tracker voltage range [V]
 160~980
No. of MPP trackers
 2
Strings per MPP tracker
 2
Max. PV input current per MPPT [A]
 32/32
Isc PV Array Short Circuit current per MPPT [A]
 40/40

AC Output

Rated AC output power [kW]
 20000
Rated AC output current [A]*
 30.3/29
Max. AC output apparent power [kVA]
 22000
Max. AC output current [A]*
 33.6
Nominal AC voltage [V]
 220/380V, 230/400V, 3/N/PE, 3/PE; 95-285V
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

Max. efficiency [%]
 98.30
Euro efficiency [%]
 97.80
Standby consumption (Night) [W]
 <3
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
Typical noise emission [dB]
 <55
Storage temperature [°C]
 -30~+60
Dimensions [W×H×D] [mm]
 482×417×181
Weight [kg]
 26
Cooling concept
 Smart fan cooling
Communication interfaces
 USB / RS485 / DRM, Optional: Meter
Optional monitoring dongle
 Pocket WiFi/LAN/4G
Display
 2 x LED + LCD (16 x 2) / APP

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
Over Temp Protection
 YES
SPD (DC/AC)
 Type II / Type II
Arc-fault circuit interrupter(AFCI)
 Optional
AC auxiliary power supply(APS)
 Optional

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