Title:
ELECTROMAGNETIC TRIPPING DEVICE AND CIRCUIT BREAKER
Document Type and Number:
Japanese Patent JP2016152136
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an electromagnetic tripping device in which an operation time in a motor starting current region is slow as compared with the conventional ones, while an operation time in a low overcurrent region and a short-circuit current region is equivalent to the conventional ones, and to provide a circuit breaker.SOLUTION: An amateur is connected to a yoke in such a form that the amateur can perform a rotating motion to a pole head side. An operation time in a motor starting current region can be delayed by providing a first piece facing the pole head and a second piece extending while being bent to a rear end side from an end of the first piece on a yoke side.SELECTED DRAWING: Figure 1
Inventors:
NISHIHARA SHINO
OKADA KENJI
KAGAWA TAKUYA
MURAKAMI HIROAKI
OKADA KENJI
KAGAWA TAKUYA
MURAKAMI HIROAKI
Application Number:
JP2015029137A
Publication Date:
August 22, 2016
Filing Date:
February 18, 2015
Export Citation:
Assignee:
PANASONIC IP MAN CORP
International Classes:
H01H73/36; H01H71/44
Domestic Patent References:
| JP2002056766A | 2002-02-22 | |||
| JPS5430263U | 1979-02-27 | |||
| JP2002056766A | 2002-02-22 | |||
| JPS5430263U | 1979-02-27 | |||
| JPH01166435A | 1989-06-30 | |||
| JPH0645241U | 1994-06-14 | |||
| JP2002056766A | 2002-02-22 | |||
| JPS5430263U | 1979-02-27 | |||
| JPH01166435A | 1989-06-30 | |||
| JPH0645241U | 1994-06-14 | |||
| JP2013145643A | 2013-07-25 | |||
| JP2013145643A | 2013-07-25 |
Attorney, Agent or Firm:
Kenji Kamada
Hiroo Maeda
Hiroo Maeda