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Circuit breaker with optimized case reinforcement by means of fixed contact elements with clamping action

A technology of fixed contact and contact elements, which is applied in the direction of circuit breakers with excessive current, overload protection circuit breakers, electrical components, etc., can solve the problems of adhesive connection aging, large investment in installation, etc., achieve good sealing and reduce bending , The effect of expanding the bonding area

Active Publication Date: 2016-11-02
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] A disadvantage of the prior art is that the adhesive connection is always subject to an aging process, and additionally the installation effort is enormous, since with an adhesive connection the two parts always have to fit exactly on each other

Method used

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  • Circuit breaker with optimized case reinforcement by means of fixed contact elements with clamping action
  • Circuit breaker with optimized case reinforcement by means of fixed contact elements with clamping action
  • Circuit breaker with optimized case reinforcement by means of fixed contact elements with clamping action

Examples

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Embodiment Construction

[0021] exist figure 1 shows a fixed contact element 1 according to the invention with an angular profile 2, 3, which is preferably designed U-shaped, with two arms 4, 5 oriented parallel to each other and a transition region 6, which The transition region connects the two arms 4 , 5 to one another. In the transition region 6 , the angular contours 2 , 3 are preferably designed as two webs aligned parallel to one another, which are separated from each other by the groove 7 . In this groove 7 a projection 8 is preferably formed, which extends into the groove 7 as an extension of the arms 4 of the fixed contact element 1 and enlarges the gap for each arm 4 of the fixed contact element 1 . The joint area of ​​the upper contact portion 9 is brazed below. Furthermore, this protrusion 8 also acts as a seal between the upper and lower parts of the circuit breaker.

[0022] figure 2 A device is shown consisting of a contact slider 10 and two fixed contact elements 1 arranged on th...

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Abstract

The invention relates to a circuit breaker with a contact slider (10) in which a spring-mounted movable contact element (12) is arranged, the movable contact element being arranged opposite the fixed contact element (1). The invention is characterized in that the fixed contact element (1) has an angular profile (2, 3) which engages in a corresponding profile (15) of the interrupter wall of the circuit breaker.

Description

technical field [0001] The invention relates to a circuit breaker with a contact slider in which a spring-mounted movable contact element is arranged, which is arranged opposite a fixed contact element. Background technique [0002] Circuit breakers, especially low-voltage circuit breakers, are electromagnetic automatic switches in the event of a short circuit. Its mode of operation corresponds in principle to that of a circuit breaker. They are usually equipped with thermal and magnetic triggers and thus have the same constituent elements as circuit breakers. Overall, it is designed for higher measured currents, and moreover, unlike in circuit breakers, the triggering of the circuit breaker is partially adjustable independently. In the low pressure range, these switches are also used as engine protection switches. [0003] The purpose of the circuit breaker is to prevent damage to equipment arranged downstream, especially three-phase AC motors, due to overloading or shor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H9/46H01H1/20H01H71/02
CPCH01H1/2008H01H71/0214H01H71/0257H01H73/045H01H1/06
Inventor 亚历山大·施皮斯
Owner SIEMENS AG
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