The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 02, 2026

Filed:

Apr. 25, 2022
Applicant:

Ls Electric Co., Ltd., Anyang-si, KR;

Inventor:

Yong Ik Park, Anyang-si, KR;

Assignee:

LS ELECTRIC CO., LTD., Anyang-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 33/664 (2006.01); H01H 71/08 (2006.01); H01H 73/18 (2006.01);
U.S. Cl.
CPC ...
H01H 73/18 (2013.01); H01H 33/664 (2013.01); H01H 71/08 (2013.01);
Abstract

Disclosed are a circuit breaking unit and an air circuit breaker including the same. The present disclosure provides a circuit breaking unit, including a fixed contact; a movable contact that is in contact with or spaced apart from the fixed contact; a fixed contact terminal having the fixed contact disposed at a lower end thereof and extending upward; a movable contact terminal including the movable contact and configured such that the movable contact is formed to move in a direction toward the fixed contact or in a direction away from the fixed contact; a low runner disposed extending upward from the fixed contact, one end thereof coupled to the fixed contact terminal, and the other end thereof spaced apart from the fixed contact terminal; and a protruding contact disposed extending upward from the movable contact, energized when in contact with the low runner, and spaced apart from the low runner when the movable contact is tripped.


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