Modular electrical assemblies with plastic film barriers

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

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361117, 338 21, H02H 104

Patent

active

048992488

ABSTRACT:
An electrical device includes a plurality of electrical assemblies formed as interchangeable modules, aligned in an end-to-end serial array and enclosed in a polymeric weathershed housing, the electrical assemblies being electrically and mechanically coupled together. Each electrical assembly in turn has a plurality of electrical components aligned in a row and in electrical connection with one another via their axially-directed ends and under an axially-directed compressive force via a non-conductive filament winding. A plastic film barrier laterally surrounding the electrical components is interposed between the electrical components and the filament winding. A surge arrester with voltage ratings can be enlarged merely by serially coupling a plurality of separately wrapped electrical components in the form of MOV blocks. Enclosing the electrical assemblies is a weathershed housing.

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