Tungsten contacts materials

Applications

Tungsten contacts

Alarms, relays, automatic switches, magneto breaker, etc.

Tungsten-silver-nickel contacts

Contactor, thermostat, command switches, AC / DC relays, light control switches and washing machine timers.

Silver tungsten contacts

Heavy AC / DC contactors, circuit breakers, etc.

Silver tungsten carbide contacts

High current load switching devices.

Tungsten-silver graphite contacts

Often paired with silver-nickel, used to protect the switches.

Tungsten-silver metal oxide contacts

Contactors, the large capacity relays, power protection switches, leakage protection switches, small and medium capacity and low voltage circuit breakers.