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Main contact materials for electrical devices

The following table helps you depending the case of use to choose the right silver alloy for your electrical application.

Current (AC and DC)

1

10

100

1'000

10'000

100'000 A

Switches for domestic applications

Ag (Doped) - Ag - AgCu - AgNi (0.15)

AgNi (10)

Light switches

Ag - AgCu - AgNi (0.15)

Circuit breakers (domestic)

AgC - Cu/AgC - AgNi

Auxiliary switches

Ag - AgCu - AgNi (0.15)

AgNi - AgFeRe - AgFe2O3

Contactors - Relays

Ag - AgCu - AgNi (0.15)

Industrial circuit breakers

AgC/AgNi - AgC/AgFeRe - AgC/AgFe2O3 - AgCNi/AgNi

AgW - AgWC - AgWCC