Surge arrester

Details Surge arrester Surge arrester

H - Electricity

02

H

317/18

H02H 9/00 (2006.01) H01T 4/08 (2006.01)

Patent

CA 1073967

SURGE ARRESTER Abstract of the Disclosure A surge arrester for protecting telephone lines and the like from overvoltage has opposed carbon electrodes separated by an insulating spacer that houses one of the electrodes and provides a means for spacing the electrodes to define the arc gap therebetween. The other electrode has one round plateau with a flat end surface that defines one side of the gap. The plateau is surrounded by a valley structure which provides a maximum of relief or cavity space for carbon particles that erupt from the electrodes during discharge. The cavity space is used for venting erupted particles across the end of the spacer and thereby provides an increase in the surge life of the arrester,

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