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  CuCr Contact Materials for Vacuum Interrupters
  WCu Materials for Arcing Contacts
  WCAg Contact Materials for Vacuum Contactors


Transmission & Distribution

Electric current at high voltages from 72.5 kV to 800 kV is transmitted great distances and distributed from 5 to 38 kV to final users such as households, industrial plants or transportation. Protecting the transmission networks and the distribution systems calls for technically reliable switchgear with long service life.

Arcing contacts and contact systems from PLANSEE form the heart of the breaking chamber. They are subjected to extreme mechanical and thermal stresses. Temperatures of several thousand degrees Celsius occur on the surfaces for fractions of a second.

SF6 live tank breaker

PLANSEE´s capabilities encompass the manufacture of the sintering materials, but also the most modern joining and machining technologies, which are necessary for the high and medium voltage area.

PLANSEE supplies for gas insulated high voltage switchgears:

  • Arcing contacts made of WCu for interruptors
  • Contact systems made of Cu, Cu alloys for circuit breakers, earthing switches and disconnectors

PLANSEE supplies for SF6 circuit breakers in the high and medium voltage area:

  • Arcing contacts made of WCu
  • Contact systems made of Cu and Cu-alloys

PLANSEE supplies for vacuum interruptors in the medium voltage area:

  • Vacuum contacts made of CuCr, WCAg and WCu
  • Contact systems



Product links
Vacuum Contacts
for the distribution of electrical power.
more
Contact Systems
Comprehensive service from development to serial production of complete components.
more
Arcing Contacts
Tungsten-copper-materials for the highest burn-off resistance
more


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