Copper Sheet Fuse Parts
Xiamen APOLLO's copper sheet fuse parts deliver exceptional performance with precision-calibrated fusing characteristics and ultra-low electrical resistance. Our advanced manufacturing facility utilizes automated optical inspection and 100% electrical testing, enabling us to provide OEM solutions with industry-leading ±1% current tolerance and same-day prototyping services for urgent requirements.
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
Copper sheet fuse parts are current-sensitive safety devices manufactured from high-conductivity copper alloys, designed to protect electrical circuits by melting at predetermined current levels. These components serve as critical fail-safes in power distribution networks, renewable energy systems, and transportation electrification infrastructure, where reliable overcurrent protection is essential.
working principle
Copper sheet fuse parts operate based on the fundamental principle of Joule heating, where excessive current flow generates thermal energy proportional to I²R. When the predetermined current threshold is exceeded, the precisely calibrated narrow sections of the copper element undergo rapid resistive heating, reaching the material's melting point within milliseconds. This creates an open circuit, effectively interrupting fault currents before they can damage sensitive equipment. The fuse's time-current characteristics are engineered through careful geometric design of the copper sheet's cross-sectional area and thermal mass distribution.
Product features
Precision Current Protection
The copper electrical fuse contacts are engineered with calibrated narrow sections that ensure accurate and rapid response to overcurrent conditions, providing reliable circuit protection. The high-purity copper construction guarantees consistent performance and low resistance.
Enhanced Durability
The fuse link contact copper is designed to withstand high thermal stress and repeated electrical loads without degradation. Its optimized geometry ensures efficient heat dissipation, prolonging service life in demanding applications.
Secure Connection
End blade ferrules copper provide robust mechanical and electrical contact in fuse holders, minimizing resistance and preventing loosening due to vibration or thermal cycling. This ensures stable operation in industrial and automotive environments.
application fields
Copper sheet fuse parts incorporating copper electrical fuse contacts are widely employed in high-current power distribution systems, including industrial switchgear and transformer protection circuits. In renewable energy applications, the fuse link contact copper components provide reliable overcurrent protection for solar inverters and wind turbine converters. The copper contact with silver plating variant is particularly valuable in precision instruments and aerospace electrical systems where enhanced conductivity and corrosion resistance are critical. These components also serve essential roles in electric vehicle charging infrastructure and railway traction power networks, ensuring system safety during fault conditions.
Our company's strengths
1. Premium Material Selection
Our copper contact with silver plating offers superior conductivity (≤0.1mΩ resistance) and oxidation resistance, ensuring stable performance in humid environments and high-temperature applications up to 150°C.
2. Precision Engineering
The fuse link contact copper is laser-cut with ±0.01mm tolerance, guaranteeing consistent fusing characteristics and meeting IEC 60269-4 standards for industrial applications.
3. Reliable Mechanical Connection
End blade ferrules copper provide vibration-resistant termination (passing 10G vibration tests) for secure mounting in automotive and rail transportation systems.
4. Global Logistics Capability
We support flexible shipping solutions including air (72hr), sea (FCL/LCL), and land transportation, with ISO-certified packaging ensuring global delivery integrity.
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