Patent ID: 9627855
Date: 2017-04-18
CPC Classifications: H01C,H01T,H02H

Claim:
1. A surge arrester comprising: a gas-tight discharge chamber formed by an insulating body, the insulating body having a wall and end faces at ends of the wall; and only two electrodes, wherein the two electrodes extend into the discharge chamber and comprise an electrode spacing with respect to one another and a wall spacing with respect to an inner wall of the insulating body, wherein the electrode spacing is less than or equal to twice the wall spacing, wherein each electrode comprises a base region arranged at one of the end faces of the insulating body, and a pin-shaped free end that extends into the discharge chamber, wherein the base region is embodied in an essentially disc-shaped manner, wherein the wall spacing is a spacing between an outer side face of the free end and the adjacent inner wall of the insulating body, and wherein the electrode spacing is a spacing between outer faces of the free ends facing each other.