Solar Trunk Bus Manufacturer
Solar Trunk Bus
Key Features Of Solar Trunk Bus
Application
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Large Commercial and Industrial Rooftops
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Accelerated Project Timelines
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Reducing Balance-of-System (BOS) Costs
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Enhancing Safety and Reliability
Options
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2kV photovoltaic copper wire: 12 AWG, 10 AWG, 8 AWG
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2kV photovoltaic aluminum wire: trunk wire: 1/0 AWG-1000 MCM branch wire: 6 AWG
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Overmold: 1 in 1, 2 in 1, 3 in 1, 4 in 1, 5 in 1, 6 in 1, 7 in 1, 8 in 1 Kits, Al-Cu adapter and fuseholders available (IP68 Rated)
Connector
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Multi-brand connectors compatibility: Staubli MC4, TS4, JM608, PV-ZH202B, S418, etc.
Inline-fuse
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Options: 1A - 65 A
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Brands: littelfuse, Adler, etc
Customizable Solar Trunk Bus Cable Supplier
Trunk Bus - Simplified and Faster Installation, Enhanced Reliability and Safety, Design Flexibility
Trusted by Solar Developers
Our products meet or exceed the strict quality and safety standards required in the US, Australian, and German markets, including UL and IEC certifications
Design for Global PV Systems
Designed to simplify the electrical balance of system (EBOS) in utility-scale solar farms, our cables reduce the number of connections required, significantly lowering installation time
Customized Solutions
Our expert engineering team works closely with your project managers and designers to develop cables with specific lengths, wire gauges, ensuring a perfect fit for your specific application
Streamline Your Solar Installatio
By partnering with JUNDA-SOLAR, you gain a reliable supplier and a strategic partner dedicated to helping you achieve a faster, safer, and more cost-effective installation
Quality & Certification
We maintain stringent quality control at every stage of production, from raw material selection to final product inspection, ensuring consistent performance and reliability
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Q1: What is a PV Trunk Bus for a 1500V PV System?
A PV Trunk Bus is a pre-fabricated, modular wiring solution that consolidates the DC power from multiple solar strings into a single, high-voltage trunk cable. It replaces complex on-site wiring and traditional combiner boxes, creating a streamlined, "plug-and-play" system specifically designed for the demands of 1500V systems.
Q2: How does a PV Trunk Bus simplify installation for 1500V systems?
By eliminating the need for separate string cables and combiner boxes, the trunk bus solution drastically reduces on-site labor and installation time. Installers can simply connect panels directly to the trunk bus at pre-determined intervals, which significantly accelerates project timelines and reduces labor costs.
Q3: What are the safety benefits of using a Trunk Bus for a high-voltage system?
Safety is paramount with 1500V systems. Our PV Trunk Bus features a robust, over-molded design with factory-sealed connections, which are far more reliable and secure than field-made junctions. This minimizes the risk of arc flashes and electrical faults, creating a safer work environment and ensuring the long-term integrity of the system.
Q4: How does a Trunk Bus help reduce Balance-of-System (BOS) costs?
By replacing numerous combiner boxes and extensive string cabling with a single trunk line, the PV Trunk Bus significantly lowers the total cost of materials. This streamlined design also reduces logistics and labor expenses, resulting in a more economical and efficient installation.
FAQ
Q5: How is a PV Trunk Bus optimized for 1500V systems?
The trunk bus is engineered with high-quality, high-voltage-rated components and insulation. The cables, connectors, and internal conductors are all specifically designed to safely manage the increased voltage and power output of modern 1500V arrays, ensuring optimal performance and safety.
Q6: Is the Trunk Bus compatible with different types of solar panels and inverters?
Yes. The modular design and industry-standard connectors of the PV Trunk Bus ensure compatibility with a wide range of solar panels and inverters. We also offer customizable solutions to match your specific module and project requirements, providing a versatile solution for any installation.
Q7: How does a Trunk Bus improve system reliability and maintenance?
The system's modularity and centralized design make maintenance and troubleshooting more efficient. With fewer connection points and a clean, organized layout, technicians can quickly identify and address issues, which minimizes downtime and ensures the long-term reliability of the system.
Q8: Can a PV Trunk Bus be used for both commercial and utility-scale projects?
Yes, it is an ideal solution for both. While its benefits are most pronounced on large-scale, utility-grade projects, the efficiency, safety, and cost savings it provides are also highly valuable for commercial and industrial rooftop installations where a streamlined, high-performance solution is required.
WHY JUNDA
A Different Approach, Using a New Method of Manufacturing
Our Factory
At our factory, operational excellence isn't just a slogan, it's the way we work. We're constantly striving to improve every aspect of our production process, from material selection to final assembly. By eliminating waste and focusing on efficiency, we ensure we're delivering the highest quality PV harnesses while maximizing productivity.

COLLABORATION
Our Industry Partners



