This is a genuine AC + DC Power Board for ABB Aurora 3.0kW inverters, part number 3G740A4 / 3G74-99-1. It integrates the main power switching stage, including input/output filtering, IGBT modules, and a large heatsink for thermal management.
This board is essential for inverter operation, handling both DC input conversion and AC output generation, making it a core component of the power electronics system.
🔄 Condition: Used, fully inspected and tested for functionality.
📦 Delivered with original heatsink and high-power filter components installed.
🔧 Technical Highlights:
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Part Number: 3G740A4 / 3G74-99-1
- Includes:
• Integrated AC and DC switching stages
• High-current power semiconductors and filters
• Factory-installed aluminum heatsink
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High-voltage isolation and robust design for PV environments
- Suitable for repair or refurbishment of Aurora 3.0kW inverter units
🔗 Compatible With:
✔ Aurora / Power-One / ABB 3.0kW Outdoor inverters
(Confirm exact model compatibility before ordering)
📦 Includes: Power board with attached heatsink and components (no enclosure or cables)
🚀 Restore full power functionality to your ABB Aurora inverter with this original AC/DC stage board.