A belt contact finger is a specially molded elastic connecting component that has been in practical use for over 50 years, making it an excellent choice for high current, high insertion-extraction life, and harsh operating conditions. Below is some detailed information about the belt contact finger:
Application Areas: Belt contact fingers are suitable for various electrical connections in high-voltage equipment, widely used in high-voltage switches, circuit breakers, bushings, and busbars. In the power transmission and distribution industry, electrical connections must possess safety, efficiency, and stability. Belt contact fingers ensure excellent electrical connection performance with their low heat generation power, low contact resistance, and stable and uniform contact force.
Technical Features: The strap-to-finger technology, also known as MULTILAM technology, achieves effective electrical connection by establishing parallel contact points between two surfaces and applying a certain degree of contact force, which can break through the contaminant layer. Each contact leaf forms an independent elastic load current bridge, significantly reducing the overall contact resistance.
Material and Manufacturing: The watch band's touch pad can be made from high elasticity beryllium copper alloy or thin sheets of alloy copper with excellent elasticity and conductivity. These materials are manufactured through strictly controlled processes, offering good conductivity and high elasticity, suitable for various circuit breakers, cable accessories, busbars, and high current industrial connectors.
Design Features: The strap has a very small touch point size, simple structure, numerous touch points, strong current conduction, and does not require a tight spring. It offers stable contact pressure, fatigue resistance, easy installation, and a long service life. It can be customized for single-point, double-point, or strong-conduction embedded contact to accommodate different rated currents and dynamic thermal stability currents as needed.
Application Range: The belt contact fingers are widely used in intermediate sliding and moving-stationary contacts in switchgear. Due to the small radial dimensions of the belt contact finger slots, they are particularly suitable for compact radial size environments. They are also extensively applied in data transmission, fiber optics, coaxial applications, and photovoltaic fields.
Overall, the watchband contact is a high-performance, simple-structured electrical connection component that can meet the demands of various stringent operating conditions, providing a strong guarantee for the safety, efficiency, and stability of the power transmission and distribution industry.
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