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Molded case circuit breaker

A circuit breaker and wiring technology, which is applied to circuit breaker components, circuits, coupling devices, etc., can solve problems such as dielectric breakdown, and achieve the effect of preventing dielectric breakdown

Active Publication Date: 2020-06-19
LSIS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a possibility of dielectric breakdown

Method used

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  • Molded case circuit breaker
  • Molded case circuit breaker
  • Molded case circuit breaker

Examples

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Embodiment Construction

[0051] Below, the preferred embodiments of the present invention will be described with reference to the accompanying drawings, but this is a detailed description to enable those of ordinary skill in the technical field of the present invention to easily implement the present invention, and does not mean that the technical ideas and scope of the present invention limited by this.

[0052] The circuit breaker for distribution according to each embodiment of the present invention will be described in detail with reference to the drawings.

[0053] In the circuit breaker for distribution according to an embodiment of the present invention, the external connection device 30 is connected to the load-side terminal portion 13 , and the circuit breaker for distribution includes an insulating cover 40 . Combined with the case 10 of the circuit breaker for distribution, the insulating cover 40 includes an insulating wall portion 44 inserted between the case 10 and the external connectio...

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Abstract

The present disclosure relates to a molded case circuit breaker, and particularly, to a molded case circuit breaker with an insulated cover. A molded case circuit breaker in which a load-side terminalis connected to an external connection device according to an embodiment of the present disclosure includes an insulating cover coupled to an enclosure of the molded case circuit breaker, in which the insulating cover includes an insulating wall interposed between the enclosure and the external connection device.

Description

technical field [0001] The present invention relates to a circuit breaker for wiring, and more specifically, to a circuit breaker for wiring with an insulating cover. Background technique [0002] Usually, a wiring circuit breaker (MCCB: Molded Case Circuit Breaker) is an electrical device that protects the circuit and the load by automatically cutting off the circuit in the event of an electrical overload state or an electrical short circuit fault. And the back part can form a circuit connection; the mechanism part is divided into fixed terminals and movable terminals and mechanically opens and closes the circuit; the trip part guides the trip of the mechanism part by detecting the overcurrent or short circuit current generated on the circuit Action; arc extinguishing part, used to extinguish the arc (Arc) generated when cutting off the abnormal current. [0003] Among such circuit breakers for wiring, the circuit breaker for wiring used to connect to the main busbar (Main...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H71/02
CPCH01H71/025H01H9/0264H01H71/08H01H71/082H01H9/0066H01R9/2458H01R13/447H01H73/06H01H73/20H01H71/0207
Inventor 金善国
Owner LSIS CO LTD
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