Silver contact has the most electrical and thermal conductivity of any metal, resulting in Contact Resistance (CR) values ranging from 0.1 to 1 m at higher tensions. Pure silver electrodeposited contact finishes are preferred for higher existing electricity transmission and, in many cases, lower current separate power connection applications.
Our switches’ silver contacts might be rated as excellent or terrible. The button is closed by opening and closing the silver connections on the copper sheet to obtain the electrified state. The electrical conductivity is directly affected by the thickness of the silver contacts. The thickness of the silver coating on conventional switches is 0.2-0.3mm, and the greater the thickness of the silver coating, the fewer sparks are generated during switch closure and the longer the service life of the switch—wholesale online retailers affordable price silver contact.
Silver contact characteristics
Contact with pure silver
Pure silver contacts are commonly used in low-voltage electrical appliances with modest capacities, such as relays, timers, auxiliary switches, domestic devices, control switches, and so on.
Pure and fine-grained silver offers strong electrical and thermal conductivity, low and consistent contact resistance, and excellent welding and processing capabilities. The texture of the data layout is substantially refined by using fine-grained silver. Silver contacts have better mechanical strength and thermal resistance than silver under the same conditions. As a result, it has superior welding and arc burning resistance than silver.
AgNi (silver nickel)
Silver nickel withstands fusion welding and burning loss better than pure silver or fine-grained silver. As the percentage of high-melting-point nickel in the contact material rises, so does its resistance to soldering and burnout. All silver-nickel contacts are straightforward to solder and have excellent workability. When turning on and off the DC, less data is handled.
Silver nickel contacts are often used in low-voltage switchgear. Relays, tiny current touchers, light switches, thermostats, and circuit breakers are examples (asymmetric paired connections with AgC, AgZnO, etc.).
Agen (silver zinc oxide)
Compared to silver zinc oxide contacts and silver oxide isolation contacts, silver zinc oxide contains no hazardous element, cadmium, which may harm the environment. This technology employs metal oxides with excellent thermal stability, strong electrical conductivity, and high heat resistance during switching. Because silver alloy contacts are resistant to arc erosion and fusion welding, they assure the dependability of electrical equipment and extend their service life.
Silver zinc oxide contacts are primarily used in relays, touch devices, air switches, motor protectors, micro switches, instruments, household appliances, automotive appliances (light switches, starter motors, and other compliance switches), leakage protection switches, and other applications.
Silver contact types
Excellent silver (Ag-0.15Ni), metal alloy based on AgCu and AgPd, structural components such as silver-nickel, silver-graphite, silver-tungsten, or silver-tungsten carbide, and silver-metal oxides AgSnO2, AgZnO, and AgCdO are all available as contact materials.
The Benefits of Silver Contact Material
- Low prices
- Complete manufacturing control
- Materials with a high level of dependability
- Specifically tailored to your needs
- a wide selection of items
- Many years of touch technology experience
Silver contact functions
The main benefit of silver contacts is that they increase the frequency of use of the conductor, increase the contact effect, and improve the conductor’s performance. Switches, relays, thermostats, and fulcrums at the intersections of conductive electrical devices rely on silver contacts. Using a silver point machine, they are mostly glued to the terminals of different equipment.
So many things in our life have silver connections. Silver contacts and other genuine accessories are extensively used in a broad range of high and low-voltage appliances, electronic appliances, rocker switches, power switches, relays, circuit breakers, sensors, controllers, starters, contactors, and many more applications. Its diminishing tendency parallels the market trend of downstream sectors. Again, this might be a natural cycle for firms specializing in silver contacts.
The silver contact’s oxide layer provides outstanding electrical conductivity and degrades to metallic silver after usage, eliminating the need for repairs.
When searching for a silver contact with the most excellent electrical and thermal conductivities of all contact materials, it is a more efficient material with a more comprehensive performance range, and there are numerous options. Silver contact materials are available from wholesale online. Take your time choosing online wholesalers of silver contacts that are a good match for the location where you want to use them since this is crucial to their longevity.