The Fronius IG Plus 50V-1 is a single-phase photovoltaic inverter designed for residential and small commercial solar systems. Part of the well-established Fronius IG Plus series, it is known for its robust construction, reliability, and modular architecture, allowing easier maintenance and component replacement.

This inverter uses proven Fronius conversion technology, ensuring stable energy management and reliable performance in grid-connected PV installations.

⚙️ Technical Specifications

Brand: Fronius
Model: IG Plus 50V-1
Part Number: 4,210,011

🔌 AC Side (Grid)

• Phase: Single-phase (1~NPE)
• Nominal voltage: 230 V
• Frequency: 50 Hz
• Maximum AC current: 17.4 A
• Rated apparent power (Snom/Smax): 4000 VA
• Power factor (cos φ): 1

☀️ DC Side (PV Input)

• MPP voltage range: 230 – 500 V
• Maximum DC voltage: 600 V
• Maximum DC current: 18.6 A

🛡 Protection & Certifications

• Protection rating: IP54
• Safety class: Class I
• Overvoltage category: OVC 2 / OVC 3
• Marking: CE

Standards:

• EN 50178
• EN 61000-3-2 / -3-11
• EN 61000-6-2 / -3

🧠 Key Features

✔ Proven Fronius IG Plus inverter technology
✔ Modular design for easy maintenance and servicing
✔ Active cooling system with integrated ventilation
✔ High operational reliability
✔ Good compatibility with existing PV systems
✔ Ideal for retrofit or inverter replacement

🏭 Applications

Perfect for:

✔ Residential photovoltaic systems
✔ Single-phase grid-connected installations
✔ Replacement of older Fronius IG series inverters
✔ Indoor or protected outdoor installations

📦 Package Contents

• 1× Fronius IG Plus 50V-1 inverter

📦 Condition

• Used product
• Good cosmetic and functional condition