Patent ID: 7315229

Claim:
An electromagnetic relay comprising a main contact unit which is inserted into a power supply path to a load, an arc contact unit which is connected in parallel to the main contact unit, an auxiliary contact unit which is electrically independent of the main contact unit and the arc contact unit, an electromagnet unit which includes an armature block interlocking the main contact unit, the arc contact unit, and the auxiliary contact unit with each other, and a frame body which receives the main contact unit, the arc contact unit, the auxiliary contact unit, and the electromagnet unit, wherein the main contact unit includes a main fixed contact fixed to the frame body and a main contact spring made of a leaf spring and fitted with a main mobile contact which is attached to and detached from the main fixed contact, wherein the arc contact unit and the auxiliary contact unit are arranged adjacent to each other, and wherein the main contact spring extends in a direction in which the arc contact unit and the auxiliary contact unit are arranged.