Patent ID: 6700466
Filing Date: 2004-03-02
Classification: H01H

Abstract:
A contact apparatus comprising:a fixed contact having a fixed contact point, a movable contact provided with a movable contact point which is connected to and separated from the fixed contact point, both the fixing contact and the movable contact providing running portions having different lengths with respect to the other, a driving mechanism for driving the movable contact, the driving mechanism having a permanent magnet disposed in a vicinity of a region where the fixed contact point and the movable contact point are located, an arc generated when the fixed contact point and the movable contact point are separated from each other is moved in a lateral direction with respect to the fixed contact point and movable contact point by magnetic force of the permanent magnet, and an arc-extinguishing member made of insulative material capable of generating arc-extinguishing gas is provided in a region near the fixed contact point and the movable contact point.