公开(公告)号：US10176955B2

公开(公告)日：2019-01-08

申请号：US15412006

申请日：2017-01-21

申请人： LSIS CO., LTD.

发明人： Jaekwan Seo

IPC分类号： H01H83/00 ,  H01H71/10 ,  H01H71/04 ,  H01H71/50 ,  H01H71/62

摘要： The present invention relates to a multi-pole molded case circuit breaker, more particularly, to a multi-pole molded case circuit breaker having a safety device (with an isolation function) which prevents a manipulation handle from being moved to an off-position when a fusion occurs on a contact portion.

公开(公告)号：US10424454B2

公开(公告)日：2019-09-24

申请号：US15368519

申请日：2016-12-02

申请人： LSIS CO., LTD.

发明人： Jaekwan Seo

IPC分类号： H01H71/50 ,  H01H71/52 ,  H01H71/62 ,  H01H71/04

摘要： The present invention relates to a multi-pole molded case circuit breaker, more particularly, to a multi-pole molded case circuit breaker having a safety device (with an isolation function) which prevents a manipulation handle from being moved to an off-position when a fusion occurs on a contact part.

公开(公告)号：US10090120B2

公开(公告)日：2018-10-02

申请号：US15638236

申请日：2017-06-29

申请人： LSIS CO., LTD.

发明人： Jaekwan Seo

IPC分类号： H01H9/20 ,  H01H9/22 ,  E05C19/00 ,  E05C19/10 ,  H01H9/28 ,  H02B11/133 ,  H02B11/26 ,  H02B11/173 ,  E05C21/00

摘要： A door locking device of a distribution board of an air circuit breaker, including a transmission shaft transmitting power for drawing in and out a circuit breaker body, a shaft link rotatably coupled to one end of the transmission shaft, a link rod having one end rotatably coupled to a portion of the shaft link, a cam plate rotatably coupled to the other end of the link rod and pushing or pulling the circuit breaker boy, and a constraint plate installed in a distribution board door, further includes a pressing part protruding from a portion of the link road, and a hook plate rotatably coupled to a side of the cradle and having one end in contact with the pressing part to receive rotational force and the other end restricting or releasing the constraint plate, wherein the hook plate releases the constraint plate in a disconnection position.

公开(公告)号：US10079478B2

公开(公告)日：2018-09-18

申请号：US15621956

申请日：2017-06-13

申请人： LSIS CO., LTD.

发明人： Jaekwan Seo

IPC分类号： H02B11/12 ,  H02B11/04 ,  H01H9/02 ,  H01H9/22 ,  H02B11/133

CPC分类号： H02B11/04 ,  H01H9/0264 ,  H01H9/0271 ,  H01H9/22 ,  H02B11/12 ,  H02B11/133

摘要： The present invention relates to a connecting device for control terminals in a withdrawable type circuit breaker, and more particularly, a connecting device for control terminals in a withdrawable type circuit breaker, capable of automatically connecting or separating control power source terminals for controlling the circuit breaker upon pulling out or inserting a breaker main body.

公开(公告)号：US10256052B2

公开(公告)日：2019-04-09

申请号：US15611675

申请日：2017-06-01

申请人： LSIS CO., LTD.

发明人： Jaekwan Seo

IPC分类号： H01H9/26 ,  H01H9/22

摘要： The present invention relates to an integrated interlock device of an air circuit breaker, and more particularly, to an integrated interlock device of an air circuit breaker capable of using different types of interlock devices in an integrated manner in case of using two or more air circuit breakers connected to each other, and a method of using the same.