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3Qxy modular junction box: to provide a more secure and reliable connection solution!
2024-06-04
1. Industry background
With the rapid development of renewable energy, PV Junction Box, as an indispensable component of photovoltaic system, is increasingly highlighting its importance. It plays a key role in the circuit connection, ensuring the stability and safety of the current, and effectively protecting the circuit from various potential risks. In this key link, the 3Qxy modular junction box is your best choice, which provides safer and economical bypass protection for high-power modules.
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2. Features of 3Qxy modular diode type junction box
3Qxy modular junction box is the star product of Qc Solar (301278). This junction box uses a 3Q modular small diode, with a number of innovative designs.
We can provide single-core or dual-core packaging design according to customers’ needs, flexibly respond to different power requirements, so as to solve the bottleneck problem of high current, and make it freely switch in the range of 18A~35A. The modular diode also adopts a unique "reserved copper" design to ensure that the module plastic seal can effectively conduct the heat generated by the chip and improve the performance parameters of the product.
In order to ensure the safety and stability of the connection, the 3Qxy modular junction box adopts unique three round holes + one square hole positioning fool-proof design, wider the confluence hole, so that manually or automatic installation of the ribbon is more smooth and efficient.

The launch of 3Qxy modular junction box marks a major breakthrough of QC Solar (301278) in the field of PV junction box products. It not only promotes the modular and integrative development of the industry, but also shows an important step in providing our customers more secure, reliable and efficient products.

3. Application scenarios
1. Engineering photovoltaic projects: With large current processing capacity and high voltage resistance, our product is suitable for a variety of large engineering projects, and can be dust-proof and water-proof, to ensure reliable connection in harsh climate and environment.
2. Large ground photovoltaic power station: We adopt an efficient heat dissipation design to improve the power generation efficiency and stability of large ground photovoltaic power station, our convenient and multiple safety protection design can also realize rapid installation and maintenance, to ensure the operation is safe and stable.
3. Home photovoltaic system: Miniaturized design of 3Qxy modular diode junction box is suitable for home photovoltaic system, providing safe and reliable circuit connection, effectively avoid the circuit overload of home electrical appliances.
4. Offshore power station: Under the salt spray and corrosion environment of sea surface, power station has high requirements on product performance and quality. The 3Qxy modular diode junction box adopts special anti-corrosion materials and sealing design to effectively prevent corrosion and improve durability.
4. Conclusion
QC Solar is committed to delivering superior products and solutions for customers. We will continue to innovate, actively embrace change, and contribute to the realization of "carbon neutrality".













