An arc path generation unit (100, 200, 300), comprising: a magnetic frame (110, 210, 310) having a space part (115, 215, 315) in which a fixed contact and a movable contact are accommodated; and wherein the space part (115, 215, 315) has a length in one direction formed to be longer than a length in the other direction, wherein the magnetic frame (110,210, 310) comprises: a first surface (111, 211, 311) and a second surface (112, 212, 312) which extend in the one direction and are disposed to face each other to enclose a portion of the space part (115, 215, 315); and a third surface (113, 213, 313) and a fourth surface (114, 214, 314) which extend in the other direction, are continuous with the first surface (111, 211, 311) and the second surface (112, 212, 312), respectively, and are disposed to face each other to enclose the remaining portion of the space part (115, 215, 315), wherein the fixed contact is provided in plurality, and a plurality of fixed contacts are disposed to be spaced apart from each other in the one direction; characterized by a Halbach array (120, 130, 220, 320, 330) which is positioned in the space part of the magnetic frame (110, 210, 310) to form a magnetic field in the space part (115, 215, 315), and in that the Halbach array (120, 130, 220, 320, 330) comprises a plurality of blocks which are arranged side by side in the one direction and formed of a magnetic material, are positioned adjacent to any one or more surfaces of the first surface (111, 211, 311) and the second surface (112, 212, 312), and are disposed to overlap the plurality of fixed contacts along the other direction. a magnetic frame (110, 210, 310) having a space part (115, 215, 315) in which a fixed contact and a movable contact are accommodated; and wherein the space part (115, 215, 315) has a length in one direction formed to be longer than a length in the other direction, wherein the magnetic frame (110,210, 310) comprises: a first surface (111, 211, 311) and a second surface (112, 212, 312) which extend in the one direction and are disposed to face each other to enclose a portion of the space part (115, 215, 315); and a third surface (113, 213, 313) and a fourth surface (114, 214, 314) which extend in the other direction, are continuous with the first surface (111, 211, 311) and the second surface (112, 212, 312), respectively, and are disposed to face each other to enclose the remaining portion of the space part (115, 215, 315), wherein the fixed contact is provided in plurality, and a plurality of fixed contacts are disposed to be spaced apart from each other in the one direction; characterized by a Halbach array (120, 130, 220, 320, 330) which is positioned in the space part of the magnetic frame (110, 210, 310) to form a magnetic field in the space part (115, 215, 315), and in that the Halbach array (120, 130, 220, 320, 330) comprises a plurality of blocks which are arranged side by side in the one direction and formed of a magnetic material, are positioned adjacent to any one or more surfaces of the first surface (111, 211, 311) and the second surface (112, 212, 312), and are disposed to overlap the plurality of fixed contacts along the other direction. a first surface (111, 211, 311) and a second surface (112, 212, 312) which extend in the one direction and are disposed to face each other to enclose a portion of the space part (115, 215, 315); and a third surface (113, 213, 313) and a fourth surface (114, 214, 314) which extend in the other direction, are continuous with the first surface (111, 211, 311) and the second surface (112, 212, 312), respectively, and are disposed to face each other to enclose the remaining portion of the space part (115, 215, 315), wherein the fixed contact is provided in plurality, and a plurality of fixed contacts are disposed to be spaced apart from each other in the one direction; characterized by a Halbach array (120, 130, 220, 320, 330) which is positioned in the space part of the magnetic frame (110, 210, 310) to form a magnetic field in the space part (115, 215, 315), and in that the Halbach array (120, 130, 220, 320, 330) comprises a plurality of blocks which are arranged side by side in the one direction and formed of a magnetic material, are positioned adjacent to any one or more surfaces of the first surface (111, 211, 311) and the second surface (112, 212, 312), and are disposed to overlap the plurality of fixed contacts along the other direction.