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Double interrupted protective switching device for monitoring circuit

A circuit breaker protection and monitoring circuit technology, applied in the direction of breaker switch contacts, electric switches, circuits, etc., can solve time-consuming and expensive problems, and achieve the effect of saving materials

Inactive Publication Date: 2011-11-09
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This solution is time consuming and expensive

Method used

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  • Double interrupted protective switching device for monitoring circuit
  • Double interrupted protective switching device for monitoring circuit
  • Double interrupted protective switching device for monitoring circuit

Examples

Experimental program
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Embodiment Construction

[0070] figure 1 A sectional side view of an exemplary embodiment of a double circuit breaker 1 is shown, which is designed according to the design principle according to the invention. The double circuit breaker 1 has a first switching contact pair with a first fixed switching contact 3 and a first movable switching contact 4 and a second switching contact pair with a second fixed switching contact Head 12 and second movable switching contact 13 . The protective switch 1 is therefore a so-called double breaker. The protective switch 1 is designed for a monitoring circuit. The double break circuit breaker 1 further comprises a coil, not shown, for actuating a disconnector, not shown, which actuates a movable switching contact; An arc extinguishing chamber 5, the first contact arm being electrically conductively connected to the first fixed switching contact 3; comprising a second arc extinguishing chamber 14 having a second guide rail 15 and a second contact arm 16, the seco...

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PUM

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Abstract

The invention relates to a double interrupted protective switching device for monitoring circuit, comprising a coil for operating a disconnector, a first breaker contact pair having a first fixed breaker contact and a first movable breaker contact, a second breaker contact pair having a second fixed breaker contact and a second movable breaker contact, wherein the movable breaker contact can be operated by the disconnector, a first explosion chamber having a first guide rail and a first contact arm, wherein the first contact arm is electrically connected to the first fixed breaker contact, and a second explosion chamber having a second guide rail and a second contact arm, wherein the second contact arm is electrically connected to the second fixed breaker contact. The first breaker contact pair is disposed near the second breaker contact pair in a manner of twisting 170-190 DEG with respect to the second breaker contact pair. A flexible electric conductor is disposed between the first movable breaker contact and the second movable breaker contact. The electric conductor is electrically connected to the first and the second movable breaker contacts.

Description

technical field [0001] The invention relates to a double-break protective switch for a monitoring circuit, comprising a coil for operating a disconnector, a first pair of switch contacts having a first fixed switch contact and a first movable switch contact head; and includes a second switch contact pair, which has a second fixed switch contact and a second movable switch contact, wherein the movable switch contact can be manipulated by a disconnector; includes a first guide rail A first arc extinguishing chamber with a first contact arm electrically conductively connected to the first fixed switch contact; a second arc extinguishing chamber with a second guide rail and a second contact arm connected to the first contact arm Two fixed switching contacts are electrically conductively connected. Background technique [0002] Such double-break protective switches, such as circuit breakers and circuit breakers, function in particular as switches and safety elements in power sup...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H73/18H01H73/04
CPCH01H1/5822H01H9/40H01H9/446
Inventor G.埃克特M诺伊迈尔C.韦伯
Owner SIEMENS AG
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