US 2026/0213104 A1 · FIXED CONTACT PART AND BREAKER INCLUDING SAME

Abstract

Disclosed are a fixed contact part and a breaker including the same. A fixed contact part according to one aspect of the present disclosure may include: a fixed contact bar conductively connected to an external power source or an external load; a fixed contact coupled to the fixed contact bar and configured to come into contact with a movable contact; and an arc runner positioned at one side of the fixed contact bar based on a height direction and configured to guide a generated arc, in which the fixed contact bar includes: a first extension portion extending in one direction; and a second extension portion continuously connected to the first extension portion while having a predetermined angle with respect to the first extension portion, and in which the arc runner is seated and supported on the second extension portion.

Claims20

Dependent claims

A fixed contact part comprising:

a fixed contact bar conductively connected to an external power source or an external load;
a fixed contact coupled to the fixed contact bar and configured to come into contact with a movable contact;
and
an arc runner positioned at one side of the fixed contact bar based on a height direction and configured to guide a generated arc,
wherein the fixed contact bar comprises:
a first extension portion extending in one direction;
and
a second extension portion continuously connected to the first extension portion while having a predetermined angle with respect to the first extension portion, and
wherein the arc runner is seated and supported on the second extension portion.

6 more elements

A breaker comprising:

a frame in which a space is formed;
a housing coupled to the frame while covering the space;
and
a fixed contact part accommodated in the space, coupled to the housing, partially exposed to the outside, and conductively connected to an external power source or an external load,
wherein the fixed contact part comprises:
a fixed contact bar configured to penetrate the housing and partially exposed to the outside;
and
an arc runner positioned above the fixed contact bar and configured to guide a generated arc to the outside, and
wherein the housing comprises:
a contact bar accommodation space recessed in one surface directed toward the frame and configured to accommodate a partial portion of the fixed contact bar and the arc runner;
and
a contact bar through-hole formed through the inside of the contact bar accommodation space and coupled to the fixed contact bar.

9 more elements

Dependencies are inferred from the claim text.

Fixed contact part and breaker including same

Life of this patent

Fixed contact part and breaker including same

Life of this patent

Abstract

Claims20