Product Description

 

Tungsten copper electrical contacts are widely used as arcing contacts in high and medium voltage circuit breakers in the most voltage applications. WCu electrical contacts are applied to extreme mechanical and thermal fields. During arcing, the temperature can reach levels over 20,000 K, for instance. Tungsten copper has unique material properties. We are pleased to support you at selecting the suitable contact material on your demand.

Tungsten copper electrical contacts are the suitable material for electrical discharge machining applications. It has excellent wear resistance and ability to retain good detail. A higher level of temperature resistance is one of the best advantages of tungsten, and the copper content increases the electrical and thermal conductivity.

The high electrical and thermal conductivity of tungsten copper alloy has effective transfer of power. While the excellent arc resistance properties of tungsten copper decrease arc erosion and transfer issues. These features can be varied by composition of higher electrical and thermal conductivity. And the higher refractory metal contents has better arc erosion properties.

Copper tungsten composite has tungsten’s advantage of wear resistance and copper’s advantage of high electrical conductivity. So it is the good material for produce the electrical contacts.

Tungsten copper electrical contacts are manufactured and sintered with tungsten is impregnated with copper. Tungsten copper electrical contacts maintain the regular shape under extreme arcing conditions. And it has only uniform rough effect with no cracks and burn-off. It can be found in applications in as follows:

  • Circuit breakers
  • Arcing tips or arcing runners
  • Breaking contacts
  • Heavy-duty conductors, switches.

 

  • The tungsten copper electrical contact feature as:
  • High strength
  • Rust resistance
  • Sturdy construction
  • Dimensional accuracy
  • Optimum strength
  • Durability

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