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020KW | SOFAR-INV 20-3-ON GRID-20KTLX-G3 | COMMERCIAL
The SOFAR 20KTLX-G3 is a robust three-phase inverter designed for medium to large commercial solar installations. It operates at a maximum efficiency of 98.6%, ensuring optimal energy conversion. The inverter supports a maximum DC input voltage of 1100 V and offers a wide MPPT voltage range of 140 to 1000 V, making it adaptable to various solar setups.
With a nominal AC output power of 20 kW and a maximum output of 22 kW, this model is perfect for large-scale commercial projects. It features advanced monitoring capabilities, including RS485, Wi-Fi, Bluetooth, and optional Ethernet for real-time system tracking and remote firmware updates. The inverter includes Type II SPD protection for both DC and AC sides and safety features such as anti-islanding, DC reverse polarity protection, and ground fault monitoring.
Designed with an IP65-rated enclosure, the SOFAR 20KTLX-G3 is durable for outdoor environments and uses fan cooling to maintain efficient operation. It comes with a 5-year manufacturer warranty and is PEA and MEA approved, meeting Thailand’s local standards for installation

020KW | SOFAR-INV 20-3-ON GRID-20KTLX-G3 | COMMERCIAL

SKU: SOF-005-INV 20-3P-OG

SOFAR 20KTLX-G3 Technical Data

General Information:

  • Model: SOFAR 20KTLX-G3
  • Type: Three-phase grid-tied inverter
  • Max. Efficiency: 98.6%
  • MPPT Efficiency: 99.9%
  • Dimensions: 520mm × 430mm × 189mm
  • Weight: 22 kg
  • Protection Rating: IP65 (suitable for outdoor use)
  • Warranty: 5 years
  • PEA and MEA Approval: Yes (Thailand-compliant)

Input (DC):

  • Max. PV Input Power: 30000 W
  • Max. DC Input Voltage: 1100 V
  • Start-up Voltage: 160 V
  • MPPT Operating Voltage Range: 140 – 1000 V
  • Max. Input Current per MPPT: 26 A
  • Number of MPPT Trackers: 2
  • Max. Short-Circuit Current per MPPT: 36 A

Output (AC):

  • Nominal AC Output Power: 20000 W
  • Max. AC Output Power: 22000 VA
  • Max. AC Output Current: 31.9 A
  • Nominal Output Voltage: 230/400 V (3/N/PE)
  • Grid Voltage Range: 310 – 480 V
  • Nominal Grid Frequency: 50/60 Hz
  • Grid Frequency Range: 45 – 55 Hz / 55 – 65 Hz
  • Power Factor: 1 (adjustable +/- 0.8)
  • THDi: < 3%

Features:

  • Monitoring: RS485, Wi-Fi, Bluetooth (optional: Ethernet)
  • Cooling: Fan cooling system
  • Overload Capacity: 110% AC output
  • Zero Export Function: Available (optional)
  • Remote Firmware Upgrade: Supported

Protection Features:

  • Anti-islanding protection
  • DC reverse polarity protection
  • Over-temperature protection
  • Ground fault monitoring
  • Residual current detection (RCD)
  • Surge protection (Type II for both DC and AC)

This inverter is ideal for medium to large commercial solar installations, offering reliable performance and flexible installation options with robust safety measures​

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