ABB / Power-One Aurora 55/67 kW Power Supply Board – Switching PSU PCB Code 3L07-99-1 Pb-Free – Industrial Photovoltaic Inverter Module optimizers Protocol: FHSS (Frequency Hopping Spread

Protocol: FHSS (Frequency Hopping Spread Spectrum)

and communication connectors for connection to the inverter's main control board

Model: NUA600 / N-PE (2)

DC Input Voltage (MPP Range): 80–580 V

ABB / Power-One Aurora 55/67 kW Power Supply Board – Switching PSU PCB Code 3L07-99-1 Pb-Free – Industrial Photovoltaic Inverter Module optimizers Protocol: FHSS (Frequency Hopping SpreadUsed product. Original Power One ABB electronic board with code 3L07 99 1 Pb Free, designed as a switching power supply module (PSU) for industrial photovoltaic inverters in the Aurora 55 kW and 67 kW series. This board plays a critical role in generating and managing the auxiliary voltages required for proper operation of the inverters control units and power circuits. Its industrial design incorporates high reliability components such as a switching