Its primary purpose is to reduce electromagnetic interference generated during high-frequency switching operations
Connect RS-485 A/B terminals to the inverters
AC power conversion stage
Solar-Powered Operation with integrated PV cell
Indicators: DC ON / DC LO LEDs
Aurora ABB Logic Board | PN: 3F25-99-1 Pb-Free | For PVI 3.0–6.0TL Inverters | Used & Tested Model:6kW Its primary purpose is toThis 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