公开(公告)号：US12300454B2

公开(公告)日：2025-05-13

申请号：US18020553

申请日：2021-03-10

Applicant: LS ELECTRIC CO., LTD.

Inventor： Byoungchul Kim

IPC: H01H71/02 ,  H01H33/666 ,  H01H71/08

Abstract: The present disclosure relates to a circuit breaker having a main circuit unit cover and, more particularly, to a circuit breaker having a removable main circuit unit cover so as to be applicable to a change in rated capacity. A circuit breaker according to one embodiment of the present disclosure comprises: a main circuit unit connected to a power source and a load; a main circuit unit cover which insulatively covers the rear surface of the main circuit unit; a main circuit unit terminal connected to the main circuit unit and exposed to the outside through the main circuit unit cover; and a terminal protection member detachably coupled to the main circuit unit cover and insulatively covering the main circuit unit terminal.