The Power-One 3F25-99-1 DC Control Board is a critical replacement module for Aurora ABB 5kW and 6kW string inverters. This board governs the DC section of the inverter, ensuring proper switching of IGBT transistors, gate drive control, current/voltage sensing, and integrated protection logic.

It directly addresses one of the most common inverter faults: the unit powers on and runs without errors, but delivers zero output power. Replacing this board restores full inverter functionality.

Each module features IGBT power transistors with heatsink cooling, high-voltage filtering components, precision trimmers, and factory-tested protection circuits. Fully inspected and tested, it is ready for installation in compatible inverters.

📦 Condition: Used – Fully Tested
🏭 Manufacturer: Power-One (ABB Aurora series)
🔧 Application: DC control section for 5–6kW solar inverters

🔧 Technical Details:

• 🆔 Model: Power-One 3F25-99-1
• ⚡ Function: DC-side control board with IGBT gate drivers, sensing circuits, and protection logic
• 🔋 Capacitor: PHC 600V 2.0µF
• ❄ Cooling: Integrated heatsink with IGBT thermal pads
• 📊 Markings: Pb-free, UL-certified components
• 🧪 Testing: Verified stable performance under load

🏡 Best Suited For:
✔ Repair of Aurora ABB 5–6kW string inverters
✔ Fixing “zero output power with no error” failures
✔ Professional PV service centers and refurbishment projects

🛠️ Supplied and tested by Green Energy — trusted in Europe for inverter repairs and certified spare parts.

🛡️ Warranty: Tested & verified by Green Energy (functional guarantee)
🚚 Delivery: Fast EU-wide shipping available