Surge arrester having grooved and ridged terminals

Electricity: electrical systems and devices – Safety and protection of systems and devices – High voltage dissipation

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Details

361118, 361111, 361 56, H02H 100

Patent

active

057576041

ABSTRACT:
A surge arrester has end terminals having circumferential ridges, which, in the event of failure of varistor elements of the surge arrester, are designed to relocate the resulting arc and direct it in a manner which reduces or minimizes damage to the surge arrester. Grooves lead from the inner surface of the terminals to the ridges, to facilitate arc relocation.

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