SOFAR 15K–20KTLX-G3 Inverter
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SOFAR 15K–20KTLX-G3 Inverter
Reliable Three-Phase Solar Inverter for Residential & Light Commercial Systems
The 15K–20KTLX-G3 series is created for residents and small business owners who want a dependable, high-efficiency solar inverter. With power ratings of 15kW, 17kW, and 20kW, this inverter offers a smart balance of performance, flexibility, and protection.
Why Choose SOFAR 15 K-20–20KTLX-G3?
High Efficiency That Pays Off
- Up to 98.6% max efficiency and 98.2% European efficiency mean less energy is lost and more power is delivered to your home or business.
- Delivers full performance with wide MPPT voltage range and low startup voltage (160V) — even on cloudy mornings.
Smart Energy Management
- Dual MPPTs (2 inputs per tracker) allow flexible array designs.
- Compatible with multiple roof orientations or shading zones.
- String-level monitoring keeps you in control, and firmware updates happen remotely — no on-site hassle.
Durable & Protected
- Handles DC input voltages up to 1100V.
- Withstands up to 36A short-circuit current per MPPT.
Technical Performance Snapshot
Model
Rated Power
Max. AC Output
Max. Efficiency
Max. Input Current
No. of MPPTs / Inputs
SOFAR 15KTLX-G3
15,000 W
16,500 VA
98.6%
26 A / 25 A
2 / 2
SOFAR 17KTLX-G3
17,000 W
18,700 VA
98.6%
27 A / 27 A
2 / 2
SOFAR 20KTLX-G3
20,000 W
22,000 VA
98.6%
31 A / 31 A
2 / 2
Built-In Protection Features
- DC reverse polarity protection\
- Anti-islanding protection
- Leakage current and ground fault monitoring
- PV string fault detection
- Arc fault circuit interrupter (AFCI)
- Input/output SPD (Surge Protection Devices)
Smart Communication
- Comes with RS-485 + Bluetooth as standard.
- Optional Wi-Fi or Ethernet upgrades.
- LCD and full control via mobile app.
Built for Tough Conditions
- Operating Temperature: –30°C to +60°C
- Altitude Rating: Up to 4000 meters
- Humidity Range: 0–100% (non-condensing)
- Self-consumption: <1W
- Cooling: Active fan
Ideal For
- Medium to large homes
- Offices or light industrial units
- Multi-array systems (east/west rooftops)
- Installations needing advanced protection & remote access
Installation & Maintenance Tips
To ensure your SOFAR 15K–20KTLX-G3 Inverter operates at peak performance, follow these tips:
Install in a shaded, well-ventilated area to maintain optimal cooling.
Check for proper wiring and system compatibility before installation to avoid issues.
Clean the inverter’s cooling fan regularly to prevent dust buildup.
Monitor performance using the mobile app for firmware updates and system diagnostics.
Perform routine inspections to ensure the inverter is operating efficiently and there’s no damage to components.
Need Help Choosing the Right Battery for Your Hybrid Solar System?
Looking for the best battery to pair with your SOFAR 15K–20KTLX-G3 Inverter? Whether you’re using lithium or lead-acid batteries, our experts can guide you in selecting the right one based on your energy needs. Contact us today for tailored advice and recommendations to complement your solar power system.