Arc path formation unit and direct current relay comprising same

A direct current relay, comprising:

• a plurality of fixed contacts spaced apart from each other in one direction;
• a movable contact that is in contact with or spaced apart from the fixed contact;
• an arc chamber in which a space is formed to accommodate the fixed contact and the movable contact;
• a frame surrounding the arc chamber;
• a magnet holder unit disposed between the outside of the arc chamber and the inside of the frame and comprising a first holder and a second holder that are different from each other;
• and
• a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber,
• wherein the first holder and the second holder are each bent and extended at a predetermined angle, are spaced apart from each other and are arranged in a direction parallel to the arrangement direction of the fixed contact, and are arranged such that their respective concave portions face each other,
• wherein the magnet unit comprises:
• a first magnet and a second magnet disposed adjacent to one surface of the first holder facing the arc chamber and extending from one end or the other end of the first holder along the one surface of the first holder;
• and
• a third magnet and a fourth magnet disposed adjacent to one surface of the second holder facing the arc chamber and extending from one end or the other end of the second holder along the one surface of the second holder, and
• wherein the first magnet, the second magnet, the third magnet and the fourth magnet are all magnetized with the same polarity.