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Guilin Coninst -- With the longest history in the field of electrical contact materials in China         
Guilin Coninst -- The leader of the electrical contact technology of China         
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High voltage contacts
 
 
 

TUNGSTEN COPPER TELLURIUM

WCu30Te1 contact  This contact material was recognized by Siemens of Germany and has passed the type tests of vacuum contactors of 3kV/200A, 6kV/400A, 12kV/160A, 12kV/160A, 250A or 400A and vacuum load switches of 12kV/630A in China. 
WCu17Te1 contact  This contact material has passed the type tests of vacuum contactors of 7.2kV/6.3kA and 12kV/6.3kA in China.  

  

 

Properties:

Contact materials

Density (g/cm3)
¡Ý

Hardness
HB (MPa)
¡Ý

Conductivity (MS/m)
¡Ý

Gas content (ppm)
¡Ü

Composition (Wt.%)

Oxygen

Nitrogen

WCu30Te1

14.00

1600

20

50

8

Cu£º27~31
Te£º0.5~1.0  
W£ºthe rest

WCu17Te1

15.30

2200

18

50

8

Cu£º15~19
Te£º0.5~1.0  
W£ºthe rest


 

 
 
 
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