ELECTROMAGNETIC CONTACTOR - FUJI ELEC FA COMPONENTS & SYS

Title:

ELECTROMAGNETIC CONTACTOR

Document Type and Number:

WIPO Patent Application WO/2012/157172

Kind Code:

A1

Abstract:

Provided is an electromagnetic contactor of which the size can be reduced while ensuring sufficient arc extinguishing features regardless of the direction of the current flowing to a contact point. An electromagnetic contactor provided with a contact point device (100) in which a pair of secured contacts (111, 112) and a movable contact (130) disposed so as to be able to come into contact with and separate from the pair of secured contacts (111, 112) are stored within a contact point storage case (102) formed from an insulating material, wherein arc extinguishing permanent magnets (143, 144) are disposed in proximity to the movable contact (130), the opposed magnetic pole faces of the arc extinguishing permanent magnets (143, 144) being magnetized to the same polarity and to the inner circumferential surface along the movable contact (130) within the contact point storage case (102).

Inventors:

NAKA YASUHIRO (JP)
TAKAYA KOUETSU (JP)
SUZUKI KENJI (JP)
SHIBA YUJI (JP)
ISOZAKI MASARU (JP)

Application Number:

PCT/JP2012/002329

Publication Date:

November 22, 2012

Filing Date:

April 03, 2012

Export Citation:

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Assignee:

FUJI ELEC FA COMPONENTS & SYS (JP)
FUJI ELECTRIC CO LTD (JP)
NAKA YASUHIRO (JP)
TAKAYA KOUETSU (JP)
SUZUKI KENJI (JP)
SHIBA YUJI (JP)
ISOZAKI MASARU (JP)

International Classes:

H01H50/38; H01H50/00

Foreign References:

JP2001118451A	2001-04-27
JP2001118450A	2001-04-27
JP2011204477A	2011-10-13
JP2011204476A	2011-10-13
JP2011204478A	2011-10-13
JPH07235248A	1995-09-05
JP2008226547A	2008-09-25

Other References: