The PV combiner box column provides NBPV and NSPV series products, which can efficiently collect the energy of 8-10 solar cell strings. The photovoltaic combiner box has the advantages of intelligent lightning protection, high protection level and modular design. It adopts IP65/IP66 shell, supports 1500VDC input and 30A-50A single string current, ensuring stable outdoor operation. It has built-in photovoltaic special fuses and SPD to effectively resist lightning strikes. It has passed CE and UL certification, supports RS485 communication and MODBUS protocol, and realizes remote monitoring and fault diagnosis. The modular design facilitates rapid installation and expansion, and is suitable for ground power stations, industrial and commercial roofs and distributed photovoltaic projects.