Title:
ARC CONTACT AND PROCESS OF MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2014220186
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an arc contact excellent in anti-arc erosion properties that suppresses erosion caused by HF of a side surface of the arc contact.SOLUTION: The arc contact for a gas-blast load-break switch is composed of a conductive component material containing copper as a main body and tungsten. A weight ratio of tungsten in a portion from a surface of a side surface to a depth of 20 μm is 98 wt.% or more.
Inventors:
KENMOCHI TAKAYUKI
ARAKI TAKESHI
ARAKI TAKESHI
Application Number:
JP2013100274A
Publication Date:
November 20, 2014
Filing Date:
May 10, 2013
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H01H1/021; H01H11/04; H01H33/915
Attorney, Agent or Firm:
Patent business corporation Fukami patent firm
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