公开(公告)号：US20250118516A1

公开(公告)日：2025-04-10

申请号：US18835134

申请日：2023-03-16

Applicant: LS ELECTRIC CO., LTD.

Inventor： Hyungeun CHO

IPC: H01H71/02 ,  H01H71/16 ,  H01H83/20

Abstract: The present disclosure relates to a manual motor starter and, more specifically, to a trip device for a manual motor starter. A trip device for a manual motor starter according to an embodiment of the present disclosure comprises: a trip unit body forming the base of a trip unit; a fixed contact coupled to the lower portion of the trip unit body; a heater assembly inserted and coupled to the trip unit body and detecting the heat variation; a coil coupled to the upper portion of the trip unit body; a core unit inserted into the coil; a terminal rod coupled to the core unit and the trip unit body, and having one end portion forming a terminal unit; and an instant trip lever which is rotatably coupled to the trip unit body and is operated by the core unit, wherein a coil attachment portion in which the coil is inserted and installed protrudes from the trip unit body.