Vacuum switch with an insulating strut

Electricity: circuit makers and breakers – Liquid contact – Time delay

Patent

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Details

174140S, H01H 3366, H01B 1742

Patent

active

045408629

ABSTRACT:
In a vacuum switch having a switching tube arranged between a head piece and a base, each of which is fastened to a support insulator, the head piece and the base being further connected by at least one insulating strut which has, at least one end, a transverse hole for fastening means, a longitudinal hole which goes through the transverse hole and which contains a conducting part begining at the transverse hole and is rounded at the closed end of the longitudinal hole is provided. The conducting part improves the dielectric strength of the insulating strut and may be made of one or more parts.

REFERENCES:
patent: 1501732 (1924-07-01), Steinberger
patent: 2073519 (1937-03-01), Jackson

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