The Fronius IG 20 is a compact and reliable string inverter designed for small residential photovoltaic systems. Built in Austria and engineered for long-term stability, it is part of the proven Fronius IG series—known for high efficiency, durable construction, and excellent performance in real-world conditions.

This unit (Art. No. 4.200.002) has been professionally refurbished and fully tested by Green Energy, ensuring perfect working condition and ready-to-install functionality. Ideal as a replacement inverter for existing PV systems using early-generation Fronius IG equipment.

🛠 Condition: New
🛠 Warranty: 12 months by Green Energy
📦 Configuration: Indoor version with integrated display, screw terminal connection

⚙️ Technical Specifications:

Model: Fronius IG 20
Art. No.: 4.200.002
Country of Manufacture: Austria

AC Output

• Nominal AC Voltage: 230 V / 50 Hz
• Nominal AC Current: 7.8 A
• Nominal Power Output: 1800 W
• Power Factor (cos φ): 1

DC Input

• MPP Voltage Range (Udc MPP): 150–400 V
• Max DC Voltage (Udc max): 500 V
• Max DC Current: 14.3 A

General

• IP Rating: IP21 (Indoor installation)
• Cooling: Integrated active cooling
• Display: Built-in LCD
• Standards: EN 50178 / EN 61000-6-2 / EN 61000-6-3 / EN 61000-3-2

📌 Key Features:

✔️ Austrian-made high-quality inverter for small PV systems
✔️ Fully refurbished, tested, and guaranteed by Green Energy
✔️ Wide MPP range (150–400V) for flexible string configurations
✔️ Indoor version with integrated display for live monitoring
✔️ Reliable performance thanks to active cooling and stable electronics
✔️ Perfect drop-in replacement for legacy Fronius IG systems

🚀 Give your PV system a second life with this refurbished Fronius IG 20 — guaranteed performance and ready for quick installation.