... ,AgSnOInO,AgNi,AgZnO,AgCu,Cu 3,Usage:relay,switch,contactor,breaker,thermostat 4,ISO9001,SGS Contact type: ... .20mm4. Shank length: <=6mmPure silver has a high level of electrical and thermal conductivity, good plasticity and arc ... typical applications include low voltage contactors, relays, automatic switch flash relays, auxiliary switch series, timers, starters, breakers and leakage protective switches ...