Electromagnetic relay including fixed terminal having chamfered shape or movable contact piece having chamfered shape

An electromagnetic relay comprising:

• a first fixed terminal including a first fixed contact;
• a second fixed terminal including a second fixed contact;
• a movable contact piece including a first movable contact disposed facing the first fixed contact and a second movable contact disposed facing the second fixed contact, the movable contact piece being movable in a first direction in which the first movable contact contacts the first fixed contact and in a second direction in which the first movable contact separates from the first fixed contact;
• and
• a magnet portion configured to generate a magnetic field for extending an arc generated between the first fixed contact and the first movable contact, wherein
• the first fixed contact is an anode contact,
• the first movable contact is a cathode contact,
• the first fixed terminal includes a first corner portion on a first direction side of the first fixed terminal located in an arc extension direction in which the arc is extended with respect to the first fixed contact, the first corner portion having a chamfered shape in a range where the arc passes through,
• the movable contact piece includes a second corner portion on a second direction side of the movable contact piece located in the arc extension direction with respect to the first movable contact, the second corner portion having a chamfered shape in a range where the arc passes through, and
• the chamfered shape of the second corner portion of the movable contact piece is larger than the chamfered shape of the first corner portion of the first fixed terminal.

An electromagnetic relay comprising:

• a first fixed terminal including a first fixed contact;
• a second fixed terminal including a second fixed contact;
• a movable contact piece including a first movable contact disposed facing the first fixed contact and a second movable contact disposed facing the second fixed contact, the movable contact piece being movable in a first direction in which the first movable contact contacts the first fixed contact and in a second direction in which the first movable contact separates from the first fixed contact;
• and
• a magnet portion configured to generate a magnetic field for extending an arc generated between the first fixed contact and the first movable contact in a lateral direction of the movable contact piece, wherein
• the first fixed terminal includes a first corner portion on a first direction side of the first fixed terminal located in one side in the lateral direction and a second corner portion on the first direction side of the first fixed terminal located in another side in the lateral direction, the first and second corner portions having a chamfered shape,
• the movable contact piece includes a third corner portion on a second direction side of the movable contact piece located in the one side in the lateral direction and a fourth corner portion on the second direction side of the movable contact piece located in the another side in the lateral direction, the third and fourth corner portions having a chamfered shape,
• the chamfered shape of the third corner portion of the movable contact piece is larger than the chamfered shape of the first corner portion of the first fixed terminal, and
• the chamfered shape of the second corner portion of the first fixed terminal is larger than the chamfered shape of the fourth corner portion of the movable contact piece.