Excess voltage arresters

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

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Details

361129, H02H 724

Patent

active

043719112

ABSTRACT:
An excess voltage arrester (1 to 21) provided with an overheating protection device comprising a resilient electrically conductive first member (23) in a flexed condition and a second member (25) of heat softenable electrically insulating material associated with the first member such that on over-heating of the arrester the second member softens allowing the first member to move in an attempt to return to its natural shape, and thereby establish an electrically conductive path through itself between the arrester electrodes.

REFERENCES:
patent: 4034326 (1977-07-01), Hill et al.
patent: 4056840 (1977-11-01), Lundsgaard et al.
patent: 4191987 (1980-03-01), Coren
patent: 4212047 (1980-07-01), Napiorkowski

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