JPS58130338U

JPS58130338U - circuit break

Info

Publication number: JPS58130338U
Application number: JP2571382U
Authority: JP
Inventors: 阪井　邦義
Original assignee: 株式会社日立製作所
Priority date: 1982-02-26
Filing date: 1982-02-26
Publication date: 1983-09-03

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

、　第１図は従来の回路しゃ断器を示す部分断面図、第
２図はその平面図、第３図は従来は可動接触子間の場合
の拡大断面図、第４図は本考案の一実施例を示す部分断
面拡大図、第５図はその平面図、第６図は他の実施例の
部分断面拡大図、第７図はその平面図である。１〜４：消弧装置、５：可動接触子、６：固定接触子、
７：アーク導板、８：ベース、９：カバー、１０：絶縁
しや画板、１１ニア、−クホーン。, Fig. 1 is a partial sectional view showing a conventional circuit breaker, Fig. 2 is a plan view thereof, Fig. 3 is an enlarged sectional view of the conventional case between movable contacts, and Fig. 4 is an implementation of the present invention. FIG. 5 is an enlarged partial cross-sectional view showing an example, FIG. 6 is an enlarged partial cross-sectional view of another embodiment, and FIG. 7 is a plan view thereof. 1 to 4: Arc extinguishing device, 5: Movable contact, 6: Fixed contact,
7: arc conductor plate, 8: base, 9: cover, 10: insulating drawing board, 11 near, -kuhon.

Claims

[Scope of utility model registration request]

In a device equipped with a fixed contact, a movable contact provided opposite to the fixed contact, and an arc extinguishing device that drives the arc generated between the movable fixed contact in a predetermined direction, the fixed and movable contacts and the extinguisher are What is claimed is: 1. A circuit breaker, characterized in that the circuit breaker is separated from the arc device, is provided with an insulating board or drawing board having slits, and an arc horn protruding from the movable contact moves between the slits as the movable contact opens and closes.