This is a genuine logic board for Aurora ABB / Power-One inverters rated from 3.0kW to 6.0kW, marked as 3F25-99-1 Pb-Free. Installed as the central control unit in the inverter, this board manages all core operations, including IGBT switching control, communication with auxiliary modules, grid monitoring, and MPPT management.

When this board fails, it often results in complete inverter shutdown, control malfunctions, or persistent communication errors. In many cases, replacement and firmware flashing are required to restore full functionality.

🔄 Condition: Used, tested, and verified for performance.
📦 In stock and ready to ship.

🔧 Technical Details:

• Model: Power-One 3F25-99-1 Pb-Free
• Function: Central logic, control signal processing, and communication management
• Build: Lead-free, multilayer PCB
• Installation: Direct-fit replacement; may require firmware update

🔗 Compatibility:

✔ Aurora / ABB / Power-One inverters:
• PVI-3.0-TL
• PVI-3.6-TL
• PVI-4.2-TL
• PVI-5.0-TL
• PVI-6.0-TL

✅ Key Functions:

✔ Controls inverter logic and grid interface protocols
✔ Manages IGBT driver sequences and MPPT operation
✔ Handles RS485 communication with monitoring systems
✔ Common point of failure in inverters experiencing startup or control errors

⚠️ Note:
A faulty logic board is a common cause of persistent system errors.
This unit may require firmware flashing upon replacement to match your inverter’s configuration.

📦 Includes: Logic board only (no cables or accessories)
🏷️ Condition: Used, tested, functional

🚀 Restore inverter intelligence and stable operation with this original ABB logic controller.