Protective element for the dissipation of overvoltages and...

Details Protective element for the dissipation of overvoltages and... Protective element for the dissipation of overvoltages and...

2005-10-04

2005-10-04

Leja, Ronald (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

C361S127000

Reexamination Certificate

active

06952336

ABSTRACT:
A protective element safely dissipates overvoltages which is comprised of a parallel connection of a varistor and an surge arrester. To reduce the capacity of the protective element, the varistor is fashioned as a disc and arranged between a contact pins and the surge arrester. An electrical isolation between contact pin and varistor is ensured by an electrically isolated spacer, in which openings for electrical contact elements are provided to connect the varistor with the cup and the contact pin with the surge arrester. The surge arrester and the spacer are preferably fit positively into the cup.

REFERENCES:
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patent: 4803588 (1989-02-01), Bzdak
patent: 5383085 (1995-01-01), Boy et al.
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Patent Abstracts of Japanfor Japanese Publication No. 05283140 of Oct. 29, 1993.

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