... and AgSnO2 ,AGNI,AGCDODiameter: 3-8mm Used generally in undercurrent contact devices, auto switches and precision instrument Contact ... weld Ability under big electric current condition Electrical contact performance can be enhanced by using powder agglutinated extrusion craftThe ... such as MCCB, ACB, residual current circuit breakers, In many cases they are used in asymmetric match with AgNi, AgW or ...