Surge protector assembly

Details Surge protector assembly Surge protector assembly

1972-11-20

1977-09-06

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Space discharge device

361120, 361124, H01H 7900, H02H 322

Patent

active

RE0293911

ABSTRACT:
A surge protector assembly includes a unitary miniature surge protector having a pair of hollow electrode members extending within and sealed to a ceramic cylinder. The electrodes are provided with end walls which face one another within the cylinder to define a gap, and which are adapted to soften or melt under continuation of a predetermined arc discharge. Cylindrical contact members are slidably receivable within the electrodes and are spring-biased for urging the electrode end walls toward one another for shorting the gap, as, for example under extended breakdown conditions. The unitary surge protector and the contact members are received within a cylindrical holder having a spring means for urging the contact members toward the aforementioned end walls. The holder is threadedly received within a base member which makes electrical connection with the surge protector.

REFERENCES:
patent: 2365517 (1944-12-01), Berkey
patent: 3268693 (1966-08-01), Linton
patent: 3411040 (1968-11-01), Dietz

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