Title:
DIRECT CURRENT AIR CIRCUIT BREAKER
Document Type and Number:
Japanese Patent JP2019029338
Kind Code:
A
Abstract:
To provide a direct-current air circuit breaker having an operating device for maintenance.SOLUTION: A direct-current air circuit breaker 100 for opening and closing a circuit according to various embodiments includes an energized unit 110 having a main circuit, a detecting unit 120 having a detection circuit for detecting a fault current in the main circuit, and an operating device 400 configured to allow connection or isolation between the main circuit and the detection circuit.SELECTED DRAWING: Figure 4
Inventors:
YANG SEUNGPIL
LEE SANG-CHEOL
KIM YOUNGKOOK
KIM ILHYUN
LEE SANG-CHEOL
KIM YOUNGKOOK
KIM ILHYUN
Application Number:
JP2018117863A
Publication Date:
February 21, 2019
Filing Date:
June 21, 2018
Export Citation:
Assignee:
LSIS CO LTD
International Classes:
H01H73/02; H01H21/02; H01H21/36; H01H33/53
Attorney, Agent or Firm:
Atsushi Aoki
Shinji Mitsuhashi
Akira Kawai
Tomohiro Minamiyama
Minoru Takemoto
Shinji Mitsuhashi
Akira Kawai
Tomohiro Minamiyama
Minoru Takemoto