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Why does electrical contacts should be tin covered?

Why does electrical contacts should be tin covered?
2024-07-25
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Why does electrical contacts should be tin covered?
Jera Line produces LV Insulation Piercing Connectors (IPCs) with Tin Covered AL Contacts 
 
Jera Line is a direct manufacturer for Electircal Power Grids 0.4-36 KV , produce Low Voltage Insulation piercing connectors(IPCs), which are used in LV ABC overhead cables in electrical distribution systems, it ZOP series Insulated piercing connectors have tined AL electrical contacts.
 
Here are reasons why electrical contacts are often tin-covered:
 
1.Corrosion resistance: Tin is known for it’s corrosion-resistant, when electacts are tin covered, they are protected from oxidation and other forms of corrosion.
For example, Jera Line ZOP-54 insulation piercing connector’s features tined covered contacts, offer excellent corrosion resistance, ensure long-lasting performance in challenging environmental conditions.
 
2.Improved conductivity: Tin has a low contact resistance, which means it allows for efficient electrical conductivity between the contacts.
The ZOP-57 Insulated piercing connector boasts larger cross section tined covered teeth, allowing a steady current flow and enhancing conductivity.
 
3.Solderability: Tin facilitates soldering and ensures reliable connections.
For IPC connectors, the tin-covered aluminum contacts not only provide good electrical conductivity but also facilitate easy soldering. This contributes to efficient power transmission and minimizes energy loss.
 
4.Cost-effective: Tin is an economical metal, making it a cost-effective choice for electrical contacts, conbinated with Aluminum to use for CU conductors, it is notably cheaper than copper.
 
Jere Line’s ZOP insulation drilling connectors utilize tin-covered AL contacts, let the IPC can be used for both AL and CU conductors, but price is more competitive than IPCs with copper contacts.
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