JPH0287357U - - Google Patents

Info

Publication number
JPH0287357U
JPH0287357U JP16693688U JP16693688U JPH0287357U JP H0287357 U JPH0287357 U JP H0287357U JP 16693688 U JP16693688 U JP 16693688U JP 16693688 U JP16693688 U JP 16693688U JP H0287357 U JPH0287357 U JP H0287357U
Authority
JP
Japan
Prior art keywords
exhaust
plate
dust
sides
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP16693688U
Other languages
English (en)
Other versions
JPH0728673Y2 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP16693688U priority Critical patent/JPH0728673Y2/ja
Publication of JPH0287357U publication Critical patent/JPH0287357U/ja
Application granted granted Critical
Publication of JPH0728673Y2 publication Critical patent/JPH0728673Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/342—Venting arrangements for arc chutes
    • H01H2009/343—Venting arrangements for arc chutes with variable venting aperture function of arc chute internal pressure, e.g. resilient flap-valve or check-valve

Landscapes

  • Breakers (AREA)

Description

【図面の簡単な説明】
第１図は本考案の実施例の排気板及び防塵板の
斜視図、第２図ａ〜ｃは同上の組立説明図、第３
図は同上のアークの排気状態を示す断面図、第４
図は従来例の断面図、第５図は同上の絶縁バリア
の斜視図である。 １は排気板、２は排気孔、４は係止孔、５は防
塵板、６は挿入片、６ａは上面、７は切起片、８
はハウジング、１１は溝である。

Claims (1)

    【実用新案登録請求の範囲】
  1. 接点の開極時に発生するアークを排気する排気
    孔を有する排気板を備えた回路遮断器において、
    上部に排気孔を設けた排気板の両端が挿入されて
    該排気板を支持する溝をハウジングの内側面の両
    側に夫々設け、排気板の外面に並設されて排気孔
    を覆う可撓性を有する防塵板の略中央より下部か
    ら両側にハウジングの上記溝に挿入する挿入片を
    形成し、挿入片の上面線上の防塵板の略中央から
    下方に向かうコ字型の切り込みにて切起片を形成
    し、この切起片が挿入係止して防塵板を支持する
    係止孔を上記排気板に穿孔したことを特徴とする
    回路遮断器。
JP16693688U 1988-12-23 1988-12-23 回路遮断器 Expired - Fee Related JPH0728673Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16693688U JPH0728673Y2 (ja) 1988-12-23 1988-12-23 回路遮断器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16693688U JPH0728673Y2 (ja) 1988-12-23 1988-12-23 回路遮断器

Publications (2)

Publication Number Publication Date
JPH0287357U true JPH0287357U (ja) 1990-07-11
JPH0728673Y2 JPH0728673Y2 (ja) 1995-06-28

Family

ID=31454773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16693688U Expired - Fee Related JPH0728673Y2 (ja) 1988-12-23 1988-12-23 回路遮断器

Country Status (1)

Country Link
JP (1) JPH0728673Y2 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0523388U (ja) * 1991-04-26 1993-03-26 日東工業株式会社 回路遮断器
JP2002352691A (ja) * 2001-05-28 2002-12-06 Fuji Electric Co Ltd 回路しゃ断器の防塵構造
JP2009043517A (ja) * 2007-08-08 2009-02-26 Nitto Electric Works Ltd 配線用遮断器
WO2012004651A1 (en) * 2010-07-08 2012-01-12 1/4Larsen & Toubro Limited An improved arc chamber assembly for use in moulded case circuit breakers

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0523388U (ja) * 1991-04-26 1993-03-26 日東工業株式会社 回路遮断器
JP2002352691A (ja) * 2001-05-28 2002-12-06 Fuji Electric Co Ltd 回路しゃ断器の防塵構造
JP2009043517A (ja) * 2007-08-08 2009-02-26 Nitto Electric Works Ltd 配線用遮断器
WO2012004651A1 (en) * 2010-07-08 2012-01-12 1/4Larsen & Toubro Limited An improved arc chamber assembly for use in moulded case circuit breakers

Also Published As

Publication number Publication date
JPH0728673Y2 (ja) 1995-06-28

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees