Patent 8492672 was granted and assigned to Eaton Corporation on July, 2013 by the United States Patent and Trademark Office.
An arc flash arrester includes a fixed contact; a movable contact; an actuator mechanism structured to close the movable and fixed contacts; and insulation disposed between the fixed and movable contacts in an open position of the arc flash arrester. The insulation is selected from the group consisting of liquid insulation; SF6; a gas, other than SF6 or air, at a pressure of at least about one atmospheric pressure; and solid insulation.