Surge arrester with thermal overload protection

Details Surge arrester with thermal overload protection Surge arrester with thermal overload protection

1994-06-03

1996-06-04

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361124, 361129, H02H 322

Patent

active

055239161

ABSTRACT:
A surge arrester assembly includes an electrically conductive container having disposed therein a surge arrester and a meltable element. The surge arrester has a first electrode in electrical contact with the container and a second electrode not in electrical contact with the container. The meltable element is an electrically conductive element in thermal contact with the surge arrester. The meltable element is located and configured so as to melt in response to a selectable level of thermal energy generated by the surge arrester, in such a manner as to create an electrical short circuit between the first electrode and the second electrode.

REFERENCES:
patent: 3849750 (1974-11-01), Baumbach et al.
patent: 4314302 (1982-02-01), Baumbach
patent: 4321649 (1982-03-01), Gilberts
patent: 4325100 (1982-04-01), Baumbach
patent: 4901188 (1990-02-01), Gilberts
patent: 5195015 (1993-03-01), Kaczmarek

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