Brass Tube End Cap
Products Description
The Brass Tube End Cap is a key structural and functional component designed specifically for photovoltaic DC fuses (PV fuses). As the sealing and conductive termination of the internal electrode assembly of the fuse, it directly participates in the transmission of current in the main circuit. This product is made of high-strength H65/H68 brass, ensuring excellent conductivity while achieving a tensile strength ≥400 MPa, suitable for high-current photovoltaic systems above 100A. Its core value lies not only in providing reliable electrical connections but also in significantly improving arc erosion resistance by 30% through material optimization, effectively extending the fuse's service life under frequent overload or short-circuit conditions. It is a crucial fundamental component ensuring the safe operation of photovoltaic power plants.
Core Technical Features
Precision Forming Technology
Utilizing an integrated cold extrusion and CNC turning process, combined with the plasticity of H65/H68 brass, the Brass End Cap is integrally formed without seams, achieving dimensional tolerances of ≤±0.01mm, balancing precision assembly, mechanical strength, and sealing performance.
Anti-Arc Optimization Technology
Optimizing the Brass Fuse Cap structure, leveraging the 30% improvement in arc erosion resistance of H65/H68 brass, increasing the arc contact area, and designing an arc-shaped flow-guiding structure to quickly dissipate the arc and reduce ablation, suitable for photovoltaic high-voltage DC scenarios.
Precision Material Screening Technology
Establishing a specialized screening system, using professional equipment to test the composition, tensile strength (≥400MPa), conductivity, and arc resistance (30% higher than ordinary brass) of H65/H68 brass, ensuring End Cap Brass quality from the source.
Production Process and Flow
Raw Material Selection
High-strength brass bars conforming to H65/H68 standards are purchased to ensure the Fuse Brass Cap material purity.
01
Precision Stamping
CNC stamping machines are used to stamp the blanks, forming the basic shape of the End Cap Brass.
02
Turning
The stamped parts are turned to form internal precision threads or grooves for Brass Fuse Cap.
03
Surface Treatment
Deburring and cleaning are performed to ensure a smooth, impurity-free surface. Anti-corrosion treatment may be applied if necessary.
04
Precision Inspection
Each batch of Brass End Cap undergoes dimensional accuracy, resistivity, tensile strength, and arc resistance testing.
05
Application areas
Photovoltaic Power Plants
In large-scale photovoltaic power plants, numerous photovoltaic modules need to be connected in parallel to achieve efficient power output. As a crucial component protecting the circuit, the performance of the fuse's inner cover directly affects the safe operation of the power plant. The high strength and arc erosion resistance of the Brass Fuse Cap ensure stable operation of the fuse under high current conditions, protecting the photovoltaic modules from damage and improving the reliability and power generation efficiency of the power plant.
Distributed Photovoltaic Systems
Distributed photovoltaic systems are typically installed on building rooftops or in industrial plants, requiring high dimensional accuracy and reliability for the fuse inner cover. Our End Cap Brass is manufactured using precision molding technology, ensuring high dimensional accuracy and perfect compatibility with various fuse types, providing reliable protection for distributed photovoltaic systems.
Photovoltaic Energy Storage Systems
Photovoltaic energy storage systems need to store the electrical energy generated by photovoltaic power generation for unforeseen needs. During energy storage, fuses play a vital role in preventing overcurrent, short circuits, and other faults. The excellent conductivity and high strength of the Fuse Brass Cap ensure accurate fuse operation within the energy storage system, protecting the safety of the energy storage equipment.
contact us
If you are developing electrical protection products for photovoltaics or new energy sources, we can provide you with a high-reliability Brass Tube End Cap solution. Please contact us for technical support and sample services.
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