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grid output
Reduced energy production
and safety in large-scale photovoltaic systems
✔ Technicians & repair specialists working with solar inverters
✅ Enhanced Reliability: Extends the lifespan of the AC filter board
ABB Aurora Relay + Filter Board | PN: 3G74-99-1 Pb-Free | For 3.0kW Inverters | Fixes Errors E013, E019, E023, E031, Riso Low | Refurbished DC grid outputThis is an original Relay + Filter Board for ABB Aurora 3. 0kW inverters, marked 3G74 99 1 Pb Free, manufactured using lead free, environmentally safe soldering. It plays a key role in DC input conditioning, BOOST voltage management, and relay based signal switching. Equipped with ferrite core inductors, EMI rated capacitors, and mid current relays, this board ensures stable and filtered voltage is safely delivered to the power stage. Common inverter