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Patent Searching and Data


Title:
EARTH LEAKAGE BREAKER
Document Type and Number:
Japanese Patent JP2015103411
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an earth leakage breaker capable of reducing the number of components and facilitating an assembly work.SOLUTION: An earth leakage breaker comprises: a housing configured by a base body and a cover body; a fixed contactor having a fixed contact attached to the base body of the housing; a movable contactor having a movable contact connected with and disconnected from the fixed contact of the fixed contactor; an opening/closing mechanism part making the movable contact of the movable contactor and the fixed contact of the fixed contactor perform an opening/closing operation to open/close a power supply side cable way and a load side cable way; a zero-phase current detection circuit part attached to the base body of the housing, and configured by a circuit board and a zero-phase current transformer attached to the circuit board; and a leak tripping coil part attached to the circuit board to which the zero-phase current transformer of the zero-phase current detection circuit part is attached, and coupled with the opening/closing mechanism part.

Inventors:
YAMAZAKI HARUHIKO
KOMOTO SHIGEKI
ASAOKA SAKAE
HINO TAKAFUMI
Application Number:
JP2013243512A
Publication Date:
June 04, 2015
Filing Date:
November 26, 2013
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H01H83/02; H01H73/06; H01H73/22
Domestic Patent References:
JP2003162950A2003-06-06
JPH10208608A1998-08-07
Attorney, Agent or Firm:
Masuo Oiwa
Takenaka Ikuo
Keigo Murakami
Kenji Yoshizawa