Patent ID: 9570245
Date: 2017-02-14
CPC Classifications: B22F,C22C,H01B,H01H

Claim:
1. An electrode material for a vacuum circuit breaker, comprising: a cup-shaped contact member fixed on an end face of a conductive rod; and a contact plate as an arcing portion, firmly fixed on an end face of said cup-shaped contact member, wherein the outer periphery of one end of said cup-shaped contact member has a plurality of slits that are slanted with respect to an axis forming an axial magnetic field type configuration, wherein said contact plate has an integrated one-body construction comprised of a central member and an outer peripheral member that is fixed firmly on the outer periphery of said central member, wherein said central member includes 30 to 50 wt % of Cu having a particle diameter of 20 to 150 μm and 50 to 70 wt % of Mo—Cr having a particle diameter of 1 to 5 μm and said outer peripheral member is a Cu—Cr material compatible with said central member.