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Copper nose, also known as brass nose, is a crucial component used to connect wires and cables to electrical equipment. It is typically made from T2 copper or brass, ensuring durability and good conductivity. The design features a spatula-shaped round head, with the top side secured using screws. The wire or cable's copper core is stripped at the end, and the connection is made either through an oil-blocking or pipe-pressure type. Among these, the oil-blocking type is considered superior due to its ability to resist oxidation. To further prevent corrosion and blackening, a thin layer of tin is often applied to the surface of the copper nose.
Copper noses larger than 10 square millimeters are generally recommended, while those below this size are usually replaced with cold-pressed wire terminals. The product comes in two types: tinned and non-tinned, with tinning offering better protection against oxidation.
The available specifications include DT-10, DT-16, DT-25, DT-35, DT-50, DT-70, DT-95, DT-120, DT-150, DT-185, DT-240, DT-300, DT-400, DT-500, and DT-630. The material is typically a purple tube, and the surface can be either copper-colored or tin-plated. Tin-plated copper noses enhance conductivity compared to their non-tinned counterparts.
These terminals are widely used in various industries, including household appliances, electrical systems, mechanical factories, shipyards, and power distribution cabinets. They are designed for reliable performance, excellent electrical conductivity, and safe operation. Whether for industrial applications or residential wiring, copper noses play a vital role in ensuring secure and efficient electrical connections.