... 2.used in switch,relays,thermostat,circuit breakers,contactor Stamping with automatic riveting or auto assembly by one stepMaterial for ... : brass, bronze, CuMaterial for rivets: bi-metal contact or silver alloyPlating: as customers' requestUsed in switch, relay or thermostatsMade according ... Controller Circuit Breaker Contactor Controller Timer, etc. Contact Component with Silver Contact & Spring