Tri-metal Silver Rivet Contacts
Products Description
The core value of Tri-metal Silver Rivet Contacts lies in their structural innovation. The product employs a double-silver-layer design, ensuring a stable silver contact surface regardless of changes in contact direction during dynamic switching, thus meeting the requirements of left-right operation in changeover relays.
Standard structural components:
Top silver alloy layer: Used for the main contact surface, handling current switching, resisting arc erosion, and providing low contact resistance.
Middle copper layer: Possesses excellent conductivity and thermal conductivity, used to reduce overall resistance and improve heat dissipation efficiency.
Application Advantages: Reshaping the Lifecycle Value of Industrial Relays
| Perfect Fit for Changeover Relays | In industrial automation control, many relays need to switch rapidly between normally open (NO) and normally closed (NC) contacts. This "left-right movement" places extremely high demands on the mechanical strength of the moving contacts. Triple-composite contacts, due to their unique core support structure, exhibit higher resistance to bending fatigue when subjected to lateral impact forces. |
| Improved Relay Electrical Life | Due to the excellent heat dissipation capabilities of the copper core, the arc energy on the contact surface is dissipated more quickly. Experiments show that under the same load, the electrical wear rate of triple-composite contacts is lower than that of solid silver contacts of the same specifications. This means that your relay products can maintain stable contact resistance over a longer period. |
| Deep Coverage of Application Areas |
Industrial Control Relays: PLC output modules, intermediate relays. Smart Home and Appliances: Variable frequency air conditioner contactors, smart meter relays. New Energy Charging Piles: Main control relays in AC charging guns. |
Material Advantages: Maximizing Synergistic Effects
Head/Feet (Working Area)
AgSnO2 (strong anti-adhesion) or AgNi (wear-resistant, stable Trimetal Composite Rivet Terminals) are selected based on the application load, providing reliable arc-extinguishing support for bidirectional operation.
Core (Energy Area)
High-quality T2 copper provides excellent heat capacity, rapidly absorbing and dissipating the high temperatures generated by the arc, protecting the relay's plastic base from carbonization.
Overall Structure
Excellent riveting flexibility ensures that riveted joints do not crack or loosen on the client's automated assembly line for Tri - Metal Button Silver Electric Contacts.
Design Advantages: Engineering Optimization for Dual-Sided Action
Symmetrical or Asymmetrical Optimization of Double-Sided Silver Layers
Based on the left-right action characteristics of the relay, the silver layer thickness and alloy composition of the head and feet are precisely allocated to balance the Trimetal Silver Alloy Contacts and riveting functions.
01
Engineering Geometric Structure
The curvature of the head and the length of the feet are optimized through simulation, providing good alignment and riveting force distribution, reducing assembly stress concentration.
02
Anti-Delamination Design
Through interface transition layers and molding processes, the adhesion of the silver layer under repeated mechanical impacts is significantly improved.
03
Compatibility Design
Supports different relay terminal sizes and automated riveting equipment; the head can be designed with a specific contour to facilitate arc extinguishing or reduce material transfer for Tri-metal Silver Rivet Contacts.
04
Customizable Flexibility
The silver alloy type, silver layer thickness ratio, and overall dimensions can be adjusted according to the customer's specific functional conversion requirements to achieve precise matching.
05
contact us
If you are looking for a Silver Bimetal Contact Rivets for Electrical Contactor solution that can reliably replace solid silver contacts while balancing cost control and long-term operational reliability, please contact our engineering team for selection advice and sample support.
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