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Big Lead Assembly Series Solar Cable | Factory-Direct PV Harness

String PV Harness

Key Features of String PV Harness BLA Series 

Application

  • Bridging Gaps in Arrays

  • Optimizing Layouts

  • Streamlining Installation

  • Enhanced Reliability

Construction

  • Sealing & Weather Resistance: IP68-rated waterproof and dustproof performance,UV resistance

  • Connectors: Enable plug-and-play functionality

  • Self-locking mechanism: Prevents accidental disconnection

Options

  • Cable size from 6 AWG to  12 AWG

  • 2kV Photovoltaic Copper Wire: #12,#10,#8,#6

  • Inline-fuse options: 1 A-65 A,Brands: Littelfuse,Adler,etc.

Overmold

  • Fuseholders available (IP68 Rated)

Connector

  • Connector Multi-brand connectors compatibility: MC4, TS4, JM608, PV-ZH202B, S418, etc

  • Enable plug-and-play functionality

Standards

  • UL9703

Wholesale BLA Solar Cable China
Manufacturer

1500kV PV System String Harness BLA Series – Fast installation, Durable performance, Safer operation

Durability and Performance

BLA Series features robust construction materials, including UV-resistant jackets and high-quality copper conductors

Simplify Solar Installations

The JUNDA-SOLAR String PV Harness BLA Series is engineered to streamline the installation of photovoltaic systems

Smart Choice for Efficiency

Our BLA Series solar harnesses are optimized to minimize power loss, high-current connection across your panels

Global Standards with Certified

As a trusted global supplier, JUNDA-SOLAR understands the importance of compliance

Customized Solutions for Project

We offers customized lengths and connector configurations to perfectly match the specific layout of your array

Related Products

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NEW ENERGY HARNESS ON REEL

Pre-assembled harnesses delivered on reels for easy handling and installation

Reduces onsite labor, speeds up deployment, and minimizes wiring errors

Our harness-on-reel solutions are engineered to simplify large-scale solar installations. Delivered pre-assembled and packaged on reels, they enable faster deployment, reduced labor costs, and error-free connections. Ideal for utility and commercial solar projects, they ensure reliable performance with streamlined installation.

SOLAR TRUNK BUS

Centralized cabling that simplifies system design and reduces installation time

Reliable, scalable solution for utility and commercial solar projects

Our trunk bus solutions are designed to optimize solar power distribution by consolidating multiple connections into a single, efficient pathway. This reduces wiring complexity, minimizes installation errors, and ensures safe, reliable performance across large solar installations.

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PV COMBINER BOX & PV DISCONNECT BOX

PV Combiner Box:

Streamlines solar string connections, improves system safety, and reduces installation complexity.

PV Disconnect Box:

Provides reliable circuit isolation and protection, ensuring safe maintenance and operation.

Our combiner and disconnect boxes are designed to optimize solar power systems with safe, efficient, and long-lasting performance. The combiner box centralizes connections for better efficiency, while the disconnect box ensures secure isolation and protection. Together, they deliver dependable control and safety for solar projects of all sizes.

Q1: What is a photovoltaic series harness, and how does the BLA SERIES solution leverage the benefits of 1500 V systems?

A photovoltaic wiring harness is a pre-assembled bundle of cables and connectors designed to streamline the transmission of DC electricity within a solar power system. A series harness is specifically engineered for a series configuration, where solar panels are connected end-to-end, linking the positive terminal of one panel to the negative terminal of the next.

Q2: How does the BLA SERIES solution contribute to lower capital costs and enhanced efficiency for large-scale solar projects?

The BLA SERIES solution contributes to significant capital cost reductions and efficiency gains primarily by enabling the adoption of 1500 V systems. As discussed, a higher voltage reduces the current, which minimizes energy loss in the cables and allows for a substantial reduction in the total number of components required.

Q3: What materials and design features ensure the BLA SERIES harness is durable and weather-resistant?

The BLA SERIES harness is engineered with a multi-material design and robust construction to ensure exceptional durability and longevity in harsh outdoor environments. The harness utilizes both aluminum for the majority of the system wiring due to its lightweight and cost-effective nature, and copper in critical areas where higher electrical conductivity and durability are essential.

Q4: What specific durability and quality assurance tests do BLA SERIES harnesses undergo?

To ensure reliability and long-term performance, BLA SERIES harnesses undergo a series of rigorous quality assurance tests before shipment. These tests include a submersion leakage (hi-pot) test ,a continuity test ,a resistance check ,a weight check , and a visual inspection.

FAQ

Q5: Which safety standards and certifications does the BLA SERIES meet, and why are these crucial?

The BLA SERIES is certified to meet several critical safety standards, providing third-party verification of its quality and compliance. The product is ETL certified to UL 9703 and TÜV certified to IEC 61439-2. Additionally, the harnesses are compliant with  

IEC 62930 and IEC 62852 up to 1500 VDC. These certifications are not merely a formality; they are a fundamental form of risk mitigation for high-voltage solar projects.

Q6: How does the BLA SERIES harness simplify on-site installation and reduce labor costs?

The BLA SERIES harness is designed for plug-and-play installation, a key feature that simplifies the on-site process. By providing pre-assembled solutions, the BLA SERIES significantly reduces the complexity of manually connecting cables and components, which in turn saves time, minimizes errors, and cuts labor costs.

Q7: What are the key considerations for maintenance and serviceability of a photovoltaic system using BLA SERIES harnesses?

Maintenance and serviceability are critical factors in the total cost of ownership for a solar project. While solar panels themselves are relatively low-maintenance, a comprehensive plan is essential for long-term performance and asset protection.

Q8: How does the BLA SERIES address the critical issue of connector compatibility and reliability?

Connector compatibility is one of the most significant and often-overlooked risks in solar installations. As highlighted by industry standards, mating connectors from different manufacturers can lead to dangerous and costly failures. Even if different brands of connectors appear to fit together, variations in material composition and geometric tolerances can result in a  

high-resistance connection.

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.

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COLLABORATION

Our Industry Partners

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