Products Description
Electrical contact rivets for switches are core electrical contact components used for switching control. Formed by precisely riveting highly conductive composite materials onto a base metal, they are installed in various switches, relays, and circuit breakers, where they perform the critical functions of conducting current, resisting arc erosion, and maintaining low contact resistance. They are essential engineering components that ensure long-term, high-reliability power transmission in medium- and low-voltage circuit systems subject to frequent switching operations.
Electrical Performance Advantages
Guaranteed Low Contact: Resistance High-purity electrolytic copper base material for Solid Silver Contact for Electrical Contactor ensures contact resistance ≤0.5 mΩ and limits temperature rise to within 15K at a current of 50A, meeting IEC 60947 standards for low-voltage switchgear.
Stable Conductivity: A grain-refined structure achieved through cold-heading enhances material density and conductivity uniformity, resulting in a resistance drift of less than 3% after long-term use for Ag Solid Silver Electrical Contact.
High Current-Carrying Capacity: Capable of carrying a continuous current of 200A with a 10mm² cross-sectional area, and withstanding peak currents up to 150% of the rated value for 10 seconds, making Electrical Contact for Relays Socket suitable for starting and braking circuits.
Product Advantages
Superior Resistance to Arc Erosion
An instantaneous arc forms between Electrical Solid Contact Rivets for Relays every time the switch opens. By utilizing micro-grain refinement technology, the working layer of our contacts-composed of precious metal alloys such as AgNi or AgSnO2-achieves an exceptionally high melting point and latent heat of vaporization. This effectively suppresses metal spatter and surface pitting caused by arcing.
Low Material Transfer and Anti-Welding Performance
Under DC or inductive loads, conventional Solid Silver Contact for Electrical Contactor are highly susceptible to material transfer from one pole to the other (the "pip and crater" phenomenon). By incorporating a dispersed distribution of metal oxides into the silver matrix, we disrupt the formation of molten metal bridges, thereby enhancing anti-welding performance by over 35%.
Long-Lasting Mechanical and Electrical Life
Leveraging the work-hardening properties of the 99.99% pure electrolytic copper base material, the Ag Solid Silver Electrical Contact shank undergoes tight deformation during automated riveting without loosening or becoming brittle, ensuring structural integrity even after one million mechanical impact cycles.
Application areas
Micro micro signal switch
Conductive Electrical Contact for Relays Socket inside micro switches for home appliance control panels, limit signal switches for testing equipment, and small toggle switches for industrial control instruments; thin and lightweight cold-forged rivets adapt to the narrow inner cavity of switches and transmit weak control signals with low resistance, eliminating signal jumps and contact interference.
Household and building terminal small circuit breakers
Household distribution box MCB, wall overload protection switch internal dynamic and static contact rivets, thickened and flat heads disperse and break arcs, withstand frequent switching of daily household loads, delay Electrical Solid Contact Rivets for Relays heating and carbonization, and extend the replacement cycle of the entire switch.
Industrial high power plastic case circuit breaker MCCB
Conductive Solid Silver Contact for Electrical Contactor for plastic case circuit breakers in industrial and commercial power distribution rooms and photovoltaic energy storage control cabinets. The large-diameter thickened pier head structure is suitable for hundreds of amps of short-circuit impulse current. The high-purity copper base material quickly conducts short-circuit arc heat to prevent the internal insulation parts of the switch from melting and catching fire.
contact us
If your switch, relay, or contactor project requires reliable electrical contact rivet solutions, please provide your specific technical specifications and drawings. Our technical team will respond promptly to customize the ideal high-purity copper cold-headed contact rivets, helping your equipment achieve greater stability and a longer service life.
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