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Yoke comprising single-element fixed contact carrier

A fixed contact, magnetic yoke technology, applied in the field of magnetic yoke, can solve the problem of high structural cost

Inactive Publication Date: 2006-12-13
MOELLER GEBAUDEAUTOMATION KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has the disadvantage of high construction costs, since, as an inherent work step, the two parts have to be connected by welding or riveting

Method used

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  • Yoke comprising single-element fixed contact carrier
  • Yoke comprising single-element fixed contact carrier
  • Yoke comprising single-element fixed contact carrier

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0016] According to the single-phase protection switch of the present invention, such as from figure 1 As can be seen very clearly in , similar to conventional line protection switches.

[0017] It basically consists of two screw clamps 14, 15 for connecting the conductors to be monitored, an overload release element 17 and a short-circuit release 16, and also a switching device 22 which switches the movable contact 7' from the closed location moved to figure 1 open position shown.

[0018] Under normal working conditions, the current to be monitored in the protective switch comes out of the first screw clamp, first passes through the overload tripping element 17, and then reaches the movable phase line 19 and movable bridge contact 20 to the movable The contact 7 ′ then leads via the fixed contact 7 to the short-circuit release 16 and finally to the second screw terminal 15 .

[0019] Whether the switching device 22 is operated by the overload release element 17 or by the ...

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PUM

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Abstract

The invention relates to a yoke (1) for a magnetic system of a short circuit triggering device (16), especially for mounting in a circuit-breaker. Said short circuit triggering device (16) comprises a fixed contact carrier (2), a coil (4) with a core (5), an armature (9) which can be moved in the coil (4), and the yoke (1) carrying the core (5). In the event of a short circuit, the armature (9) is impacted by the magnetic forces produced in the coil (4) by the short circuit current, against a switching device (22) which causes the interruption of the current, the fixed contact carrier (2) being embodied as a single element with the yoke (1).

Description

technical field [0001] The present invention relates to a magnetic yoke for a magnetic system of a short-circuit tripping device; in particular to a magnetic yoke for installation in a line protection switch, that short-circuit tripping device includes a fixed contact bracket, and a coil with an iron core, which can be mounted on the coil The armature moving inside and the magnetic yoke supporting the core; wherein, in the case of a short circuit, the armature impacts the switching device through the magnetic force generated in the coil due to the short circuit current, causing the current to be interrupted. Background technique [0002] Such yokes are well known in particular in the field of circuit breaker manufacture. In the relevant short-circuit release, however, the fixed contact carrier is used as an integral part and is connected to the short-circuit release. This has the disadvantage that the construction is very expensive, since, as an inherent work step, the two ...

Claims

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Application Information

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IPC IPC(8): H01H71/24
CPCH01H71/2454H01H71/2463H01H2071/249
Inventor A·特特克
Owner MOELLER GEBAUDEAUTOMATION KG