Silver/Copper Contact is in low concentrations increases the mechanical hardness and the resistance against electrical wear, ... ,breaker,thermostat 4,ISO9001,SGSContact Rivets,Solid Rivets,Pure Silver RivetsCertificate ISO 9001:2008, RoHS, SGS, etcMaterialsAgCu, ... AgSnOInO, Ag, Cu, etc ApplicationsLow Voltage Electrical Appliances and Households,such as Switch,Relay,KSD,Circuit Breaker,Contactor ...