Original Power-One / ABB electronic board designed for Aurora photovoltaic inverters in the 55 kW and 67 kW range, installed inside the inverter’s drawer module.

This board performs essential functions related to auxiliary power supply, control, and signal management, ensuring proper operation of the inverter’s internal systems. It integrates high-quality components such as a switching transformer, industrial Finder relay, high-voltage protection fuse, and filtering circuitry, providing operational stability and advanced protection.

Its compact structure and multi-pin connector interface allow for quick plug & play replacement, making it ideal for maintenance operations on medium to high-power inverters.

⚙️ Technical Specifications

• Type: Drawer electronic board (PCB)
• Manufacturer: Power-One / ABB
• Application: Aurora photovoltaic inverters 55 kW – 67 kW

Main Functions:

• Internal switching power supply
• Relay and control circuit management
• Protection via integrated high-voltage fuse

Main Components:

• Switching transformer
• Electromechanical Finder relay
• High-capacity electrolytic capacitor
• Precision resistor network
• Control integrated circuits

Connection:

• Multi-pin interface for drawer module

Mounting:

• Installation on removable drawer unit

🔧 Main Functions

• Power supply for inverter control circuits
• Activation and management of internal relays
• Voltage stabilization and signal filtering
• Protection against overvoltage and electrical faults

🔌 Compatibility

Compatible with:

• ABB / Power-One Aurora 55.0 kW
• ABB / Power-One Aurora 66.0 / 67.0 kW

(Always verify part number for exact compatibility)

📦 Applications

• Repair of industrial photovoltaic inverters
• Replacement of faulty drawer boards
• Maintenance of large-scale PV systems
• OEM spare part for specialized technicians

💡 Advantages

✔ Original ABB / Power-One spare part
✔ High-reliability industrial design
✔ Fast installation via removable drawer system
✔ Reduced system downtime
✔ Ideal for professional technical service