Silver Contact Button Assembly
Products Description
The Silver Contact Button Assembly is a core switching component in high-voltage DC relays for new energy systems, photovoltaic grid-connected contactors, and main circuit switches for energy storage systems. This assembly uses high-purity copper or copper alloy as its base material, and integrates the silver-based contact material with the button body through precision welding or brazing processes. It bears the responsibility of arc erosion and current carrying during the connection and disconnection of the circuit.
In new energy systems, the Silver Tipped Contact typically serves as the main contact of a relay or contactor, driven by an electromagnetic drive mechanism to close and open the circuit. Its electrical performance directly determines the current-carrying capacity, electrical life, and system reliability of the entire switchgear.
Key Selling Points
High Current Carrying Capacity
Optimized conductive cross-section design of the Contact Assembly Welding reduces contact resistance and adapts to the transient high current surges in new energy systems.
Anti-Arc Erosion Structure
The Silver Bonded Contact Components employ a layered composite design to effectively resist arc erosion during switching operations, extending electrical life.
System-Level Dimension Compatibility
Strict standard tolerance control ensures seamless integration of Silver Soldered Electrical Contacts with existing mainstream drive mechanisms, reducing system integration costs.
Long-Term Reliability Guarantee
Rigorous environmental simulation testing ensures stable contact performance under high humidity, salt spray, and strong vibration environments.
Manufacturing Process
Substrate Precision Stamping
CNC precision die stamping forms the substrate structure, ensuring consistent dimensional tolerances and precise positioning of the Silver Cadmium Oxide Contacts.
Composite Brazing/Composite Welding
Utilizing a Silver Soldered Electrical Contacts composite process, the contact layer and substrate are metallurgically bonded, ensuring bonding strength and conductive continuity.
Surface Finishing and Plating
A uniform silver surface layer is prepared for Silver Finish Metal Buttons, optimizing surface roughness, reducing initial contact resistance, and improving oxidation resistance.
Performance Sorting and Electrical Testing
Batch-by-batch resistance testing, weld strength testing, and full visual inspection are performed to eliminate defective products and ensure batch consistency.
Quality Control and Certification
Quality System
ISO9001 quality management system for full-process control, establishing an incoming material inspection, process inspection, finished product electrical/structural sampling inspection, and batch sample testing system for China Welded Contact Assemblies.
Compliance Certification
RoHS and REACH environmental compliance certifications, Custom Brazed Composite Rivet Electrical Contacts meet the basic material compliance requirements for the export of new energy equipment.
Key testing items
Contact resistance consistency test, silver layer bonding strength tensile test, durability switching life test, high and low temperature aging reliability test, and AgCdO Contacts appearance full inspection.
contact us
To accurately match your system integration solution, please provide your technical specifications. Our senior application engineering team will provide you with a customized Silver Contact Button Assembly solution and failure analysis report. We look forward to in-depth cooperation with you.
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