Positioning: Expert in Core Contact Solutions for High-End Circuit Breakers
Power distribution systems place stringent demands on circuit breaker contacts regarding resistance to welding, arc erosion resistance, and high current carrying capacity. Sino-1 Alloy achieves low resistance, high welding resistance, and long electrical life through silver alloy wires (AgNi/AgCu), powder metallurgy contacts (AgW/AgC), and three-layer stamped contacts, meeting the high-frequency switching needs of medium and low-voltage circuit breakers.
Sub-Scenarios
Equipment: Frame Circuit Breakers
Role: Main contacts use AgCdO wire, combined with coated strip base material (copper alloy) to optimize composite performance.
Problem Solved: Enhanced welding resistance through fibrous second component structure, and reduced arc erosion through pre-oxidation process.
Equipment: Molded Case Circuit Breakers
Role: Bimetallic inserts (AgSnO2 coating + beryllium copper substrate) achieve high bonding strength and thermal conductivity.
Problem Solved: Continuous roll welding process reduces precious metal usage, and automated stamping and riveting improves assembly efficiency.
Manufacturing Capabilities
880-ton extruder + vacuum melting furnace achieves silver alloy wire density ≥99.9%; powder metallurgy equipment supports AgW contact particle size control down to 5μm; automated riveting equipment capacity reaches 60 million pieces/month.
Click to download the "Anti-Welding Contact Selection Guide" and instantly improve the electrical lifespan and reliability of your circuit breakers!
