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1250A pilak na plated na nakapirming contact para sa VCB

1250A Silver-Plated Fixed Contacts for Vacuum Circuit Breakers (VCB) The 1250A silver-plated fixed contacts are critical components in vacuum circuit breakers (VCBs), designed to ensure reliable electrical conductivity, durability, and efficient interruption of high-current circuits. These contacts are engineered to meet stringent performance standards, making them suitable for medium-voltage applications in power distribution, industrial systems, and renewable energy infrastructure. Material and Construction The fixed contacts are constructed from high-grade copper or copper alloys, providing excellent electrical and thermal conductivity. To enhance performance, the contact surfaces are electroplated with a layer of high-purity silver. Silver plating reduces contact resistance, minimizes energy losses, and prevents oxidation, ensuring stable operation even under high-current conditions. The thickness of the silver plating is carefully controlled to balance cost and performance, typically ranging from 5 to 20 microns, depending on application requirements. Key Features and Benefits 1. Low Contact Resistance – The silver-plated surface ensures minimal resistance, reducing heat generation and improving energy efficiency. 2. High Corrosion Resistance – Silver’s anti-oxidation properties protect the contacts from environmental degradation, extending service life. 3. Superior Arc Interruption – The design ensures effective arc quenching in vacuum environments, preventing contact welding and erosion. 4. Mechanical Strength – The robust construction withstands mechanical stresses during operation, including repeated closing and opening cycles. 5. Compatibility – Designed to fit standard VCB configurations, ensuring easy integration into existing systems. Applications These fixed contacts are widely used in: - Power Distribution Networks – For protecting transformers, switchgear, and feeders. - Industrial Facilities – Ensuring safe operation of motors, generators, and heavy machinery. - Renewable Energy Systems – Supporting solar and wind power installations with reliable circuit protection. Performance Considerations To maintain optimal performance, periodic inspection is recommended to check for wear, erosion, or contamination. Proper installation and alignment are crucial to avoid uneven contact pressure, which can lead to overheating or premature failure. Conclusion The 1250A silver-plated fixed contacts for VCBs are essential for ensuring efficient and reliable circuit interruption. Their high conductivity, durability, and resistance to environmental factors make them a preferred choice for demanding electrical applications. By minimizing energy losses and enhancing operational safety, these contacts contribute to the longevity and efficiency of power distribution systems. For specific technical specifications, consulting manufacturer datasheets or industry standards (e.g., IEC, ANSI) is advised to ensure compliance with application requirements.

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  • 1250A High Voltage Vacuum Circuit Breaker Fixed Contacts Silver Plated Contacts

    1250A High Voltage Vacuum Circuit Breaker Fixed Contacts Silver Plated Contacts

    kategorya: Fixed Contact
    Mga view: 67
    serial number:
    oras ng paglabas: 2025-08-28 16:49:06
    The 1250A high voltage vacuum circuit breaker fixed contacts feature silver-plated surfaces for superior conductivity, minimal contact resistance, and long-term durability. Designed for high-current applications, these VCB contacts ensure reliable switching performance in industrial, utility, and power distribution systems while reducing maintenance frequency and extending operational life.

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