公开(公告)号：US20160301205A1

公开(公告)日：2016-10-13

申请号：US15089018

申请日：2016-04-01

Applicant: LSIS CO., LTD.

Inventor： Sangchul LEE

IPC: H02H7/04

CPC classification number: H02H7/042 ,  H01H9/226 ,  H01H71/0228 ,  H01H71/08 ,  H01H71/125 ,  H01H2071/086

Abstract: A circuit breaker includes a circuit breaker main body unit having a main circuit unit forming a circuit line of each phase, a current transformer part having a coil disposed in the circuit line of each phase and a pair of terminals extending from both ends of the coil and selectively connected to an external power source unit, and a safety switching part configured to connect the pair of terminals such that the pair of terminals are not opened, when the power source unit and the pair of terminals are separated.

Abstract translation: 断路器包括断路器主体单元，其具有形成每相电路线的主电路单元，具有设置在每相电路线路中的线圈的电流互感器部分和从线圈两端延伸的一对端子 并且选择性地连接到外部电源单元，以及安全切换部，被配置为当所述电源单元和所述一对端子分离时，将所述一对端子连接，使得所述一对端子不被打开。

公开(公告)号：US20170309414A1

公开(公告)日：2017-10-26

申请号：US15335337

申请日：2016-10-26

Applicant: LSIS CO., LTD.

Inventor： Sangchul LEE

IPC: H01H9/16

CPC classification number: H01H9/16 ,  H02B11/10

Abstract: Disclosed is a draw in and out type circuit breaker. In the draw in and out type circuit breaker, at least one guide slot is provided in a slide plate, and thus, a clip moves to a test position, a connected position, or a disconnected position with being fitted into the at least one guide slot, thereby enabling a position of the clip to be easily controlled.

公开(公告)号：US20190035588A1

公开(公告)日：2019-01-31

申请号：US16007401

申请日：2018-06-13

Applicant: LSIS CO., LTD.

Inventor： Seungpil YANG ,  Sangchul LEE ,  Youngkook KIM ,  Ilhyun KIM

IPC: H01H71/04 ,  H01H71/08 ,  H01H71/56 ,  H01H71/12

CPC classification number: H01H71/04 ,  H01H1/44 ,  H01H21/04 ,  H01H21/50 ,  H01H21/54 ,  H01H71/08 ,  H01H71/12 ,  H01H71/123 ,  H01H71/128 ,  H01H71/56 ,  H01H2071/046

Abstract: A direct-current (DC) air circuit breaker for opening and closing a circuit according to various embodiments includes a circuit unit having a main circuit, a detecting unit having a detection circuit for detecting a fault current in the main circuit, and a circuit operating device configured to allow connection or isolation between the main circuit and the detection circuit.

公开(公告)号：US20180240634A1

公开(公告)日：2018-08-23

申请号：US15900331

申请日：2018-02-20

Applicant: LSIS CO., LTD.

Inventor： Seungpil YANG ,  Sangchul LEE ,  Youngkook KIM

IPC: H01H71/10 ,  H01H71/04 ,  H01H71/02 ,  H01H71/08 ,  H01H19/14

Abstract: A circuit breaker having a circuit operating device according to one embodiment of the present invention includes a circuit unit having a main circuit, a detecting unit having a detection circuit for detecting a fault current in the main circuit, and a circuit operating device configured to allow connection or isolation between the main circuit and the detection circuit, wherein the circuit operating device includes a first fixed unit and a second fixed unit connected to the main circuit and the detection circuit, respectively, and arranged in parallel to each other, and a moving unit rotatably coupled between the first fixed unit and the second fixed unit to connect or isolate the main circuit and the detection circuit to or from each other.