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High voltage contacts
 
 
 
SILVER TUNGSTEN/SILVER TUNGSTEN CARBIDE
  
AgW50 has not only good conductivity of Ag, but also the great hardness, good arc erosion resistance, welding resistance, and low material transfer of W. The biggest characteristic of AgW is its high resistance against strong arc.
Besides the properties of AgW, AgWC has greater hardness, and is more superior under strong arc situation.

Mechanical and Physical Properties of the Materials

Material

Density
g/cm3

Resistivity
¦Ì¦¸¡¤cm

Hardness
HV 0.3

Applications
AgW(50)
13.3
3.0
130
MCCBs, universal frame circuit breakers and other switches
AgWC(45)
11.8
3.5
190

Microsections

 

AgW(50)/Ag¡¡100X

 

  

AgW(50)/Ag¡¡200X

 

  
 
 
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