公开(公告)号：US12176164B2

公开(公告)日：2024-12-24

申请号：US17797226

申请日：2021-01-27

Applicant: LS ELECTRIC CO., LTD.

Inventor： Min-Ho Jang

IPC: H01H9/20 ,  H01H33/46 ,  H01H33/666

Abstract: A plug interlock apparatus for a vacuum circuit breaker, comprising: a control power plug having a plug fixing member formed on each side thereof; a switchboard including a plurality of terminals; a control power connector from which the control power plug is detached; a plug latch formed on the sides of the control power connector and fixing the plug fixing members; a circuit breaker body which includes a connector rotation link which rotates in association with the plug latch, and a slide link having one end coupled to the connector rotation link, and which is detached from the terminal and supplied with voltage and current; and a transfer cart for reciprocating the circuit breaker body along a rail installed on the bottom surface of the switchboard, wherein a locking latch detached from a rail groove formed on the rail is formed at the other end of the slide link.