High-voltage contact (CuW series)Description: High-voltage contact is mainly applied to high-voltage apparatus such as breaker, load switch, main ring unit and so on, which has good electrical erosion resistance, welding resistance and pressure resistance. In order to obtain excellent integration performance, the operation part is usually designed to be Cu-W alloy, The content of tungsten ranges from 50% to 90% according to the operation conditions. In CuW alloy, Cu has good thermal and electric conductivity, while W has high melting point. The tungsten framework keeps the Cu liquid from splash, then keep content of the operation part of the CuW contact to be constant. The electric conductive part consists of Cu or chromium copper, which helps to reduce the resistance. CuW contact material is produced by traditional infiltration technology. It has excellent wear resistance and very high hardness.
Also, it has outstanding anti-deformation ability.