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Molded case circuit breaker

A technology of circuit breakers and casings, applied in the field of molded casing circuit breakers, can solve the problems of difficult inspection of connecting parts and the like

Active Publication Date: 2018-06-12
LSIS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the base bus support 9 is provided at the connection of the main bus bar 2, it is difficult to check the condition of the connection of the main bus bar 2 using a thermal imaging camera or a contact temperature sensor.

Method used

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

Examples

Experimental program
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Effect test

Embodiment Construction

[0041] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the present invention is not limited to the following embodiments, which are provided for descriptive purposes only.

[0042] Figure 5 is a perspective view showing an MCCB installed in a distribution box according to an embodiment of the present disclosure. Image 6 yes Figure 5 side view perspective view of . Figure 7 is shown applied to Figure 5 Front perspective view of the MCCB with the base busbar supports partially cut away. Figure 8 is showing Figure 5 An exploded perspective view of the power supply side terminals in . Hereinafter, an MCCB according to various embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

[0043]The MCCB according to an embodiment of the present disclosure includes: a power supply side terminal 11 having a terminal fi...

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PUM

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Abstract

The present disclosure relates to a molded case circuit breaker, and more particularly, to a molded case circuit breaker capable of measuring the temperature of the connector of a main busbar with themolded case circuit breaker connected to the main busbar. In accordance with one aspect of the present disclosure, a molded case circuit breaker for use in connection with a main busbar provided on adistribution board panel includes a power-source-side terminal provided to a front portion of a case and having a terminal assembly hole formed at an upper portion thereof; a base bus supporter comprising a connector protruding from a front surface thereof so as to engage with the main busbar installed on one side of the distribution board panel, the base bus supporter being coupled to an upper surface and a lower surface of the power-source-side terminal; an auxiliary cover plate coupled to an upper portion of the power-source-side terminal and provided with a temperature measurement hole communicating with the terminal assembly hole, the auxiliary cover plate being coupled with a part of the base bus supporter to support the base bus supporter from an outside.

Description

technical field [0001] The present disclosure relates to molded case circuit breakers, and more particularly to molded case circuit breakers capable of measuring the temperature of a connection of a main bus bar by connecting the molded case circuit breaker to the main bus bar. Background technique [0002] Generally speaking, a molded case circuit breaker (MCCB) is an electrical device that automatically cuts off a circuit to protect a circuit and a load in a current overload or short circuit situation. [0003] In these molded case circuit breakers, plug-in MCCBs are connected to the main bus bars of the distribution board (or distribution box). [0004] Figure 1 to Figure 4 A plug-in MCCB according to the prior art is shown. figure 1 is a perspective view of the MCCB installed in the distribution box, figure 2 is a side perspective view of the MCCB; and image 3 is applied to figure 1 Front perspective view of the MCCB, where the busbar support is partially cut aw...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H71/08H02B1/20
CPCH01H71/08H02B1/20H01H11/0062H01H2001/0021H01H2011/0068Y04S20/14Y02B90/20H01H71/02H01H71/52G01K1/02G01K1/14G01K3/005H01H2300/03
Inventor 朴在元
Owner LSIS CO LTD