... conditions. It is widely used in AC contactors, relays, electric tool switches, ... automatic switch flash relays, auxiliary switch series, timers, starters, breakers and leakage ... through structural means, such as a higher contacting force. AgSnO2 and ... to processing these two materialsUsage:Breaker,relay,contactor,timer,thermostat,train,swithes and other home appliances and electrical products.Solid ...