AgWC
Characteristics
AgWC contact materials containing the refractory component Wc have high hardness and resistance to mechanical wear, a low tendency towards contact welding, and a relatively stable contact resistance in service. AgWC contacts are produced by powder metallurgy infiltration.
Properties
|
Material |
Density |
Resistivity |
Vickers Hardness |
|
g/cm3 |
μΩ·cm |
HV0.3 |
|
|
AgWC(35) |
≥11.50 |
≤3.30 |
≥100 |
|
AgWC(45) |
≥11.80 |
≤3.50 |
≥125 |
|
AgWC(50) |
≥12.20 |
≤4.50 |
≥135 |
|
AgWC(65) |
≥13.00 |
≤5.20 |
≥155 |
Brief Applications
Mainly used in heavy-duty switching devices, such as circuit breakers, residual current circuit breakers. In many cases they are used in asymmetric match with AgC.
