The Santerno ES791/2 is a genuine control and communication board developed by Elettronica Santerno (Italy) for the SUNWAY series of grid-tied photovoltaic inverters.
This board manages internal control logic, protection feedback, and inverter communication functions, ensuring stable and efficient operation in commercial and industrial PV systems.

Designed and manufactured to industrial standards, the ES791/2 provides high reliability and long service life under continuous load. It is an original OEM spare part, essential for servicing and restoring Santerno inverter performance.

🛠 Condition: Used
📦 Warranty: 6 months provided by Green Energy

⚙️ Technical Details:

• Model: ES791/2
• Manufacturer: Elettronica Santerno (Italy)
• Function: Main control and interface PCB
• Compatibility: Santerno SUNWAY inverter series (industrial & utility-scale)
• Voltage Class: Low-voltage logic / signal circuit
• Build: High-quality multi-layer PCB with industrial components
• Installation: Internal plug-in board
• Origin: Made in Italy

📌 Key Features:
✔️ Genuine Santerno replacement control board
✔️ Provides inverter logic, feedback, and communication management
✔️ Ideal for PV inverter maintenance and service centers
✔️ Robust Italian design for long operational life
✔️ Tested and certified by Green Energy

🚀 Restore full inverter performance and control reliability with the Santerno ES791/2 Control Board