... 2,AgCdO,AgSnOInO,AgNi,AgZnO,AgCu,Cu 3,Usage:relay,switch,contactor,breaker,thermostat 4,ISO9001,SGS Contact type ... contactors, relays, automatic switch flash relays, auxiliary switch series, timers, starters, breakers and leakage protective switches. AgZnO rivet and ... is more difficult to processing these two materialsUsage:Breaker,relay,contactor,timer,thermostat,train,swithes and other home appliances ...