Products Description
Resistance Brazing Silver Contact is a core electrical connection component designed for high-current circuit breakers. It employs a precision resistance welding process, achieving instantaneous metallurgical bonding through controlled current and pressure. With its extremely high dimensional accuracy, excellent arc resistance, and reliable weld strength, this product has become an indispensable core component of high-current switching equipment.
Core Product Nature and Characteristics
| High-Precision Square Contact Structure | welding contact dimensional accuracy is controlled within ±0.02mm, ensuring assembly consistency. |
| Flexible Thickness Range | Contact thickness can be selected between 0.3–5mm to adapt to devices with different current ratings. |
| Low Contact Resistance Design | Button Silver Contacts material has excellent conductivity, reducing power loss. |
| Highly Reliable Welding Structure | Resistance brazing technology ensures a strong bond between the Brazed Electrical Contacts and the substrate. |
Application Areas
New Energy Battery Systems
High-current circuit breakers suitable for new energy vehicles and energy storage battery systems, undertake the function of switching high-current charging and discharging. AgSnO2(12) material is cadmium-free and complies with RoHS standards, possessing excellent arc resistance and thermal stability, avoiding contact erosion and welding risks for Welding Electrical Contact.
Industrial Power Distribution
High-voltage, high-current circuit breakers suitable for industrial plants, substations, and other scenarios. AgCdO(12) is suitable for currents of 10-100A, while AgSnO2(12) is suitable for currents above 100A. Excellent conductivity and arc resistance, and square high-precision design for Brazed Electrical Contacts ensure consistency in batch assembly.
High-end Equipment Manufacturing
High-current circuit breakers suitable for high-end equipment such as CNC machine tools and industrial robots. Button Silver Contacts, as a core conductive component, it ensures reliable switching of high currents, avoids equipment downtime damage, improves operating efficiency and service life, and reduces maintenance costs.
Quality Control and Certification
Porosity Control
X-ray inspection for welding contact ensures internal porosity is controlled to <0.5%. Porosity is a major cause of reduced solder joint strength.
Strength Testing
Shear force testing for Button Silver Contacts must show a weld strength of ≥120N (silver solder) to meet the requirements for use in high-impact current environments.
Environmental Certification
All Brazed Electrical Contacts materials comply with RoHS (lead-free and cadmium-free) and REACH (Registration Assessment and Authorization for Chemicals) standards.
contact us
For more information on customized resistance brazing silver contact solutions, accurate quotes, testing reports, or technical support, please feel free to contact us. Our professional team will provide you with a one-stop solution adapted to high-current circuit breakers, helping your projects to be implemented efficiently.
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