Pluggable surge arrester comprising one or several surge protection elements

A technology for protecting components and overvoltage, which is applied to overvoltage arresters, electrical components, circuits, etc. that apply spark gaps, and can solve problems such as current consumption and non-leakage current disadvantages

Inactive Publication Date: 2008-12-10
DEHN SOHNE GMBH CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The defective lack of leakage current in these solutions is disadvantageous, since a low operating current is permanently required for the display and additionally a further component is required, for example a relay for providing potential-free changeover contacts , the changeover contact then likewise causes a current drain

Method used

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  • Pluggable surge arrester comprising one or several surge protection elements
  • Pluggable surge arrester comprising one or several surge protection elements
  • Pluggable surge arrester comprising one or several surge protection elements

Examples

Experimental program
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Embodiment Construction

[0051] As can be seen from the figure, the potential-free triggering of the display mechanism takes place via an overcurrent protection device with a striker, which in the example shown is associated with the triggering circuit.

[0052] The overcurrent protection device with striker prevents impermissible operating states of the corresponding module, such as impermissibly high operating voltages and overloads, that is to say pulse current loads outside the maximum critical range, interrupting the trigger or monitoring circuit And import the signal device.

[0053] The movement of the striker realizes an electrical process conversion into mechanical parameters here.

[0054] When the overcurrent protection device with striker is triggered, the spring force of the integrated helical spring acts on the arm of the display element which is locked on the insulating plate and thus releases the insulating plate.

[0055] By releasing the locking indicator element, this element is mo...

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PUM

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Abstract

The invention relates to a pluggable surge arrester comprising one or several surge protection elements which are disposed within a structural unit with an optical fault indicator. The inventive surge arrester further comprises a thermal surge protector (5) that encompasses a mechanical actuator for triggering a remote indication contact in order to signal a fault. A linearly guided slide (1) is provided which is movable perpendicular to the plugging direction of the arrester and is equipped with an elastic tongue (2). The free end (3) of said tongue (2) can be blocked by a locking element (4). Furthermore, the thermal surge protector (5) is fitted with an actuating bolt (6) which acts upon the free end (3) of the tongue (2) when triggered in order to move the free end (3) out of the blocked position such that the slide (1) is released.; The movable slide (1) has a free, web-shaped section (7) which penetrates a corresponding opening in the arrester housing. The invention also relates to a base part (16) for mechanically or electrically receiving at least one pluggable surge arrester, said base part (16) comprising a switching device (21) for the potential-free remote indication of fault states, especially a micro pushbutton (21).

Description

technical field [0001] The invention relates to a pluggable surge arrester according to the preamble of claim 1, comprising one or more overvoltage protection elements and a thermal overcurrent protection device, said overvoltage protection elements being arranged In the structural unit with an optical fault display, the overcurrent protection device includes a mechanical actuating device for triggering a communication contact for fault signaling. [0002] Furthermore, the invention comprises a basic component for mechanically and electrically receiving at least one pluggable surge arrester. Background technique [0003] Starting from the German utility model DE 20 2004 006 227, a surge arrester with communication contacts for fault signaling is known. Potential-free mechanical triggering is achieved in the prior art by means of installed varistors of the grid spark gaps used in the corresponding plug-in parts or by thermal monitoring of the triggering unit via pretensioned...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01T1/12H01T1/14H01T4/06
CPCH01T1/12H01T1/14H01T4/06
Inventor G·维特曼B·克劳斯
Owner DEHN SOHNE GMBH CO KG
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