JPS60136457U - circuit break - Google Patents

circuit break

Info

Publication number
JPS60136457U
JPS60136457U JP2603284U JP2603284U JPS60136457U JP S60136457 U JPS60136457 U JP S60136457U JP 2603284 U JP2603284 U JP 2603284U JP 2603284 U JP2603284 U JP 2603284U JP S60136457 U JPS60136457 U JP S60136457U
Authority
JP
Japan
Prior art keywords
circuit breaker
coil
movable conductor
temperature rise
shape memory
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.)
Pending
Application number
JP2603284U
Other languages
Japanese (ja)
Inventor
谷辺　俊之
洋 藤井
高塚　卓雄
久常　文之
清美 山本
Original Assignee
三菱電機株式会社
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 by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2603284U priority Critical patent/JPS60136457U/en
Publication of JPS60136457U publication Critical patent/JPS60136457U/en
Pending legal-status Critical Current

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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

【図面の簡単な説明】[Brief explanation of drawings]

゛第１図は従来の回路゛しゃ断器を示す正面断面図、第
２図はこの考案による回路しゃ断器の一例を宗す正面断
面図である。 ５・・・可動接点、１Ｂ・・・固定接点、１９・・・電
磁引きはずし機構、２０・・・引きはずしコイル、２１
・・・可動鉄心、３１・・・可動導体。なお、図中、同
一符′号は同一または相ｉ部分を″宗す。1 is a front sectional view showing a conventional circuit breaker, and FIG. 2 is a front sectional view showing an example of the circuit breaker according to this invention. 5... Movable contact, 1B... Fixed contact, 19... Electromagnetic trip mechanism, 20... Trip coil, 21
...Movable iron core, 31...Movable conductor. In the drawings, the same reference numerals refer to the same or phase i parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）引きはずしコイルと、このコイルに過電流が流れ
たときに作動して接点を開離させる可動鉄心とを有する
電磁引きはずし機構を備えた回路しゃ断器において、上
記引拍よずしコイルと並列に分流路を設けたことを特徴
とする回路しゃ断器。 《２）上記分流路は、可動導体からなり、かつ過負、荷
時の温度上昇により変形して上記可動導体を上馳コイル
から切り離す形状記憶合金を慇けてなる実用新案登録請
求の範囲第１項記栽の回路しゃ断器。． （３｝上記分流路は、形状記憶合金で形成された可動導
体からなり、この可動導体を過負荷時の温度上昇により
変形させて上記コイルから切り離すようにしてなる実用
新案登録請求の範一第１項記載の回路しゃ断器。(1) In a circuit breaker equipped with an electromagnetic tripping mechanism having a tripping coil and a movable iron core that operates to open the contacts when an overcurrent flows through the coil, the tripping coil described above is equipped with an electromagnetic tripping mechanism. A circuit breaker characterized by having a branch path in parallel with the circuit breaker. <<2) The branch channel is made of a movable conductor and includes a shape memory alloy that deforms due to overload or temperature rise during loading and separates the movable conductor from the upper coil. Circuit breaker as described in Section 1. ．． (3) The above-mentioned branch flow path is made of a movable conductor made of a shape memory alloy, and the movable conductor is deformed by the temperature rise during overload and is separated from the above-mentioned coil. The circuit breaker described in item 1.
JP2603284U 1984-02-23 1984-02-23 circuit break Pending JPS60136457U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2603284U JPS60136457U (en) 1984-02-23 1984-02-23 circuit break

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2603284U JPS60136457U (en) 1984-02-23 1984-02-23 circuit break

Publications (1)

Publication Number Publication Date
JPS60136457U true JPS60136457U (en) 1985-09-10

Family

ID=30521661

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2603284U Pending JPS60136457U (en) 1984-02-23 1984-02-23 circuit break

Country Status (1)

Country Link
JP (1) JPS60136457U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015225796A (en) * 2014-05-29 2015-12-14 三菱電機株式会社 Circuit breaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015225796A (en) * 2014-05-29 2015-12-14 三菱電機株式会社 Circuit breaker

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