Patent ID: 6765169
Filing Date: 2004-07-20
Classification: H01H

Abstract:
An arc quenching chamber for low-voltage switching devices which switch in air, comprising:a quenching area, surrounded by at least one first part in the form of an enclosure and by at least one second part in the form of an arc quenching chamber cover, wherein the first and second parts surrounding the quenching area include guide elements adapted to be pushed one inside the other, which fix the first and second parts to one another in a final position perpendicular to the displacement direction of the guide elements; and at least one separate attachment device, supported in at least one of the first and second of the parts surrounding the quenching area, and one holder, formed on the respective other part, wherein the two parts are fixed detachably to one another in the final position in the displacement direction, wherein the at least one separate attachment device includes a spring-loaded snapper and the holder includes a latching groove, and wherein the snapper is arranged in a captive manner in the part in which it is supported.