| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electrode for a vacuum circuit breaker capable of improving a current cut-off performance and a capacitor opening/closing performance. <P>SOLUTION: A longitudinal magnetic field shaped electrode 10 is constituted by a cup-shaped contact material 12 fixed to an end of a conduction rod 11, and a contact plate 14 fastened to an end face of the cup-shaped contact material 12 and serving as an arc-generation part. Plural slits 13 inclined against an axial line are formed at an outer peripheral portion on one end of the cup-shaped contact material 12. The contact plate 14 is integrally manufactured using a center member 22 made of a high current cut-off performance material, and an outer peripheral member 21 which is made of a high breakdown voltage material compatible with the center member and having a high cut-off performance, and arranged and fastened on the outside of the center member 22. <P>COPYRIGHT: (C)2012,JPO&INPIT |
