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Surge arrester

An arrester and overvoltage technology, which is applied to overvoltage arresters, circuits, and electrical components that apply spark gaps, and can solve the problems of complex tools, high costs, and high costs.

Inactive Publication Date: 2011-06-01
EATON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A disadvantage is that the tools for the injection molding machines are very complex and correspondingly expensive, whereby the manufacture of different housings for different markets is associated with considerable additional manufacturing outlay
Furthermore, the large number of different switching devices thus provided leads to costly storage, wherein it is only difficult to react to changing market requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] figure 1 Shown is a surge arrester 1 comprising a device base 2 and at least one insert 3 , wherein the device base 2 is provided for fastening on a mounting rail, wherein the insert 3 has at least one Overvoltage protection element and an insert housing 4, and wherein the insert 3 is arranged in a u-shaped receptacle 5 of the device base 2, wherein the insert 3 is locked in the u-shaped receptacle 5 by means of a stop cap 6 , and the stop cap 6 is constructed separately from the insert 3 and / or the device base 2 .

[0016] As a result, a reliable connection of the insert 3 to the device base 2 can be achieved, which also withstands the high electromotive forces that occur during lightning phenomena. The insert part 3 can thus be easily inserted and connected to the device base 2 without tools. As a result, the insert 3 can be easily removed from the device base 2 without the aid of tools. The surge arrester 1 can thus be designed electrically identically for differe...

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PUM

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Abstract

In order to provide a safe connection between an insert part and a base of a surge arrester (1) without the use of tools, and in order to reduce the expenditure for storage and / or production thereof, said arrester comprising a base (2) and at least one insert part (3), wherein the base (2) is provided for fastening to an installation rail, wherein the insert part (3) has at least one overvoltage protection element and an insert part housing (4), and wherein the insert part (3) is arranged in a U-shaped holder (5) of the base (2), it is proposed to lock the insert part (3) in the U-shaped holder (5) by way of a locking cap (6) and to configure the locking cap (6) separately from the insert part (3) and / or from the base (2).

Description

technical field [0001] The invention relates to a surge arrester according to the preamble of claim 1 . Background technique [0002] It is known to form surge arresters as pluggable device assemblies consisting of a base or housing base and a plug-in module or insert. The housing base has connections for contacting electrical lines and a receptacle for an insert to be inserted, in which at least one surge protection element is arranged. The electrical connection between the insert part and the housing base is usually made via plug contacts. The advantage of this modular structure lies in the simple checkability of the actual overvoltage protection element. Inspection of the overvoltage protection element requires taking it out of the circuit. The modular construction allows the surge protection element to be removed from the circuit without the entire surge arrester having to be removed from the electrical system for this purpose. [0003] A disadvantage of the modular ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01T4/06
CPCH01T4/06
Inventor 托马斯·格施尔
Owner EATON CORP
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