FIELD: electrical equipment. SUBSTANCE: copper-based composite material for electrical contacts contains cadmium and chromium to increase its hardness and to reduce material resistivity. Composite material contains, mas. cadmium 0.8-1.0; chromium 0.4-2.0; the balance, copper. Additionally offered material may contain graphite in amount of up to 2.0 mas. EFFECT: higher efficiency. 2 cl
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