Patent ID: 8975546
Filing Date: 2015-03-10
Classification: H01H

Abstract:
1. A circuit breaker comprising: a fixed contactor connected to a circuit; a movable contactor movable to a closed state in which the movable contactor is in contact with the fixed contactor and a broken state in which the movable contactor is separated from the fixed contactor; an opening and closing mechanism configured to convert a rotational motion of a plurality of links and a rotational shaft to enable the movable contactor to be brought into contact with the fixed contactor or separated from the fixed contactor; a trip latch locked to or unlocked from a main link provided in the opening and closing mechanism; and an OFF button configured to rotate the trip latch to unlock the trip latch from the main link when manually pressed, wherein the OFF button includes a lever member configured to rotate the trip latch, and the lever member includes a first lever unit extending parallel to a length direction of the trip latch and a second lever unit extending parallel to a rotational axial line of the trip latch.