Switch Terminal Accessories Brass Stamping
Products Description
The Switch Terminal Accessories Brass Stamping fittings are not traditional "hardware stampings" or "contact assemblies," but rather an electromechanical coupling system that fuses solid-state diffusion metallurgy, cold work hardening contact mechanics, and arc erosion self-healing mechanisms into a single continuum. When brass grains undergo plastic flow along the edges of the silver contacts in the mold, this flow is not a simple material displacement, but rather induces a diffusion transition layer of approximately 0.5-2 μm thickness at the interface-Cu atoms dissolve into the Ag lattice interstices, and Ag atoms diffuse backward along the brass grain boundaries, forming a CuAg metastable phase. Its conductivity is less than 3% lower than that of pure silver, but its hardness is increased by 40%, and its surface contact pressure resistance increases from 150 MPa to 220 MPa.
Main Functions: Triple Core Guarantee of Conductivity, Contact, and Fixation
Efficient Conductivity
The high conductivity of the brass substrate and the low contact resistance of the silver contacts form a low-loss conductive path, reducing energy loss and heat generation during current transmission.
Stable Contact Retention
The high wear resistance and arc resistance of the silver contacts ensure a consistent contact state under high-frequency switching scenarios, avoiding poor contact caused by contact ablation and oxidation.
Precision Mechanical Fixation
The riveting structure forms an inseparable whole between the silver contacts and the brass substrate, possessing excellent vibration and impact resistance, preventing loosening and detachment after long-term use.
Safety Protection and Compatibility
The component design complies with electrical safety standards, with optimized contact area and anti-arc structure, reducing the risk of short circuits and leakage, ensuring the safety and compliance of end products.
Material Advantages: The Best Combination Born for Our Mission
High-Conductivity Environmentally Friendly Brass (e.g., C3604, C2680): We select RoHS-compliant free-machining brass, whose excellent conductivity, mechanical properties, and machinability make them ideal as structural substrates.
High-Performance Silver Alloy Contacts: We offer a variety of silver alloy contacts to suit different voltages, currents, and application scenarios:
AgSnO2 (Silver Tin Oxide): Environmentally friendly, with excellent arc resistance and wear resistance, making it the preferred choice for most relays and contactors.
AgCdO (Silver Cadmium Oxide): Excellent arc-extinguishing performance, suitable for high-current, high-arc energy applications.
Fine Silver: Extremely low contact resistance, suitable for low-current, high-sensitivity signal switching.
Application Advantages: Empowering Key Electrical Control Nodes
| High-Performance Relays (Automotive, Industrial Control) | In engine control modules, battery management systems, or PLC output modules, relays need to operate frequently under harsh environments (high and low temperatures, vibration). Our terminal accessories provide vibration resistance, arc resistance, and long lifespan guarantees, forming the cornerstone of high reliability in high-end relays. |
| Wall Switches and Smart Home Switches | Facing inductive loads (such as lighting fixtures), capacitive loads, and frequent daily operation in home environments, our 16A Switch Socket Contact ensures a consistent feel, no arc noise, and long-term contact point non-overheating and oxidation, guaranteeing electrical safety and user experience from the source. |
| Contactor and Circuit Breaker Auxiliary Terminals | As signal feedback or control loop interfaces in the main circuit, extremely high electrical reliability is required. Our large-size silver contacts and reinforced brass terminals can carry continuous rated current and provide stable signal connections. |
| New Energy Field (Charging Piles, Photovoltaic Inverters) | DC switches have extremely high requirements for arc suppression. Our bimetal electrical contacts rivets with brass, using high-performance contact materials such as silver tin oxide, are specifically designed to meet the stringent challenges of DC interruption, ensuring system safety. |
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