JPH0641326Y2 - Circuit breaker - Google Patents

Circuit breaker

Info

Publication number
JPH0641326Y2
JPH0641326Y2 JP6425885U JP6425885U JPH0641326Y2 JP H0641326 Y2 JPH0641326 Y2 JP H0641326Y2 JP 6425885 U JP6425885 U JP 6425885U JP 6425885 U JP6425885 U JP 6425885U JP H0641326 Y2 JPH0641326 Y2 JP H0641326Y2
Authority
JP
Japan
Prior art keywords
locking lever
mover
link
base
circuit breaker
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.)
Expired - Lifetime
Application number
JP6425885U
Other languages
Japanese (ja)
Other versions
JPS61180438U (en
Inventor
博寿 大石
博 藤井
博章 藤久
義昭 小林
清 松浦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP6425885U priority Critical patent/JPH0641326Y2/en
Priority to US06/857,092 priority patent/US4743878A/en
Priority to DE19863614702 priority patent/DE3614702A1/en
Priority to GB8610695A priority patent/GB2176659B/en
Priority to AU57010/86A priority patent/AU563224B2/en
Publication of JPS61180438U publication Critical patent/JPS61180438U/ja
Priority to HK341/90A priority patent/HK34190A/en
Application granted granted Critical
Publication of JPH0641326Y2 publication Critical patent/JPH0641326Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【考案の詳細な説明】 〔産業上の利用分野〕 この考案は、遮断器に関するものであり、さらに詳しく
いうと、操作ハンドルとリンクでなるトグルリンク機構
と、可動子とリンクとを係脱させる係止レバーおよび過
電流引はずし手段を備えた回路遮断器に関するものであ
る。
[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a circuit breaker, and more specifically, a toggle link mechanism including an operating handle and a link, and a movable element and a link are disengaged from each other. The present invention relates to a circuit breaker having a locking lever and an overcurrent trip unit.

〔従来の技術〕[Conventional technology]

従来、この種の回路遮断器は第2図、第3図に示すよう
に構成されている。第2図はそのOFF状態を、第3図は
その要部を示し、(1)は絶縁材からなるベース、
(2)はベース(1)の一部で形成された軸(101)を
中心に回動可能に支承されたハンドル、(3)は軸(10
1)に接着されたひねりばねで、その一端をベース
(1)に、他端をハンドル(2)に掛け、ハンドル
(2)を反時計方向に付勢するものである。
Conventionally, this type of circuit breaker is constructed as shown in FIGS. 2 and 3. Fig. 2 shows the OFF state, Fig. 3 shows the main part, (1) is a base made of insulating material,
(2) is a handle rotatably supported around a shaft (101) formed by a part of the base (1), and (3) is a shaft (10).
It is a torsion spring adhered to 1), one end of which is hung on the base (1) and the other end is hung on the handle (2) to urge the handle (2) counterclockwise.

(4)はU字状に形成され、一方の脚はハンドル(2)
の内部端(201)に設けられた孔(図示せず)内に回動
可能に挿入されたUピンでなるリンク、(5)はベース
(1)の長円穴(102)に支承された軸(6)により回
動可能に支持された可動子で、一方の回動端部に対をな
す第1と第2のラツチ面(5a)(5b)を有している。
(7)は軸(6)により可動子(5)に回動可能に支持
された係止レバーで、軸(6)上に巻装されたひねりば
ね(8)によつて可動子(5)の付勢方向と反対方向に
常時付勢され、常時はラツチ面(5a)(5b)とともにリ
ンク(4)の他端を挾持する係止部(7a)を有してい
る。
(4) is U-shaped and one leg has a handle (2)
A link made of a U pin rotatably inserted into a hole (not shown) provided at the inner end (201) of the base (5) is supported by the oval hole (102) of the base (1). A mover rotatably supported by a shaft (6), and has a pair of first and second latch surfaces (5a) and (5b) at one of the turning ends.
Reference numeral (7) is a locking lever rotatably supported on the mover (5) by the shaft (6), and the mover (5) is provided by a twist spring (8) wound around the shaft (6). It is always urged in the opposite direction to the urging direction, and normally has a latching surface (5a) (5b) and a locking portion (7a) that holds the other end of the link (4).

(11)は可動子(5)に取付けられた軸、(12)は可動
子(5)の一端部に固着された可動接点、(13)はベー
ス(1)に取付けられた軸、(14)はこの軸(13)と軸
(11)に張架された引張りばね、(15)はベース(1)
に固定された固定子、(16)は可動接点(12)に対向す
るように固定子(15)に固着された固定接点、(17)は
その一端が固定子(15)に電気的に接続されたコイル、
(18)はコイル(17)に電気的に接続された端子で、線
押え(19)とねじ(20)により外部導体(図示せず)を
接続するものである。
(11) is a shaft attached to the mover (5), (12) is a movable contact fixed to one end of the mover (5), (13) is a shaft attached to the base (1), (14) ) Is a tension spring stretched around the shaft (13) and the shaft (11), and (15) is a base (1).
A fixed contact fixed to the stator, (16) fixed contact fixed to the stator (15) so as to face the movable contact (12), and (17) one end of which is electrically connected to the stator (15). Coil,
Reference numeral (18) is a terminal electrically connected to the coil (17), and is for connecting an external conductor (not shown) by the wire retainer (19) and the screw (20).

(21)はベース(1)に取り付けられ、磁路を形成する
ヨーク、(22)はコイル(17)の励磁時に押しばね(2
3)のばね力に抗して第2図中の左方向に吸引されるプ
ランジヤ、(24)はコイル(17)が巻回されたボビン
で、その中空部にプランジヤ(22)が遊嵌されている。
(25)はプランジヤ(22)が吸引されたときに左方向に
駆動されるロツド、(26)はその一端が可動子(5)に
電気的に接続された可撓銅撚線、(27)は可撓銅撚線
(26)の他端が電気的に接続されたバイメタル、(28)
はバイメタル(27)と電気的に接続された端子で、線押
え(29)とねじ(30)により外部導体(図示せず)を接
続するものである。(31)は端子(28)に螺着された調
整ねじ、(32)はバイメタル(27)に装着された絶縁チ
ユーブ、(33)はその一端が端子(28)に固着され他端
はベース(1)の溝部に嵌合されたアークランナ、(3
4)はアークランナ(33)の両側面にアークの走行方向
に並行して配置された無機質材製の側板、(35)は可動
接点(12)と固定接点(16)間に生じるアークを消弧す
る消弧室で、複数枚のグリツド(36)が所定間隔になる
よう1対の側板(37)に支持されている。
(21) is a yoke that is attached to the base (1) and forms a magnetic path, and (22) is a push spring (2) when the coil (17) is excited.
Plunger that is attracted to the left in FIG. 2 against the spring force of 3), and (24) is a bobbin around which the coil (17) is wound, and the plunger (22) is loosely fitted in its hollow part. ing.
(25) is a rod which is driven leftward when the plunger (22) is sucked, (26) is a flexible copper stranded wire whose one end is electrically connected to the mover (5), (27) Is a bimetal in which the other end of the flexible copper stranded wire (26) is electrically connected, (28)
Is a terminal electrically connected to the bimetal (27), and is for connecting an external conductor (not shown) by the wire retainer (29) and the screw (30). (31) is an adjusting screw screwed to the terminal (28), (32) is an insulating tube attached to the bimetal (27), and (33) has one end fixed to the terminal (28) and the other end to the base ( Arc runner fitted in the groove of 1), (3
4) is a side plate made of an inorganic material, which is arranged on both sides of the arc runner (33) in parallel with the traveling direction of the arc, and (35) extinguishes the arc generated between the movable contact (12) and the fixed contact (16). In the arc-extinguishing chamber, a plurality of grids (36) are supported by a pair of side plates (37) at a predetermined interval.

以上の構成により、第2図に示す回路遮断器のOFF状態
と、第4図に示す回路遮断器のON状態のいずれの場合
も、リンク(4)は可動子(5)の両ラツチ面(5a)
(5b)と係止レバー(7)の係止部(7a)にて挾持され
ている。第2図に示すOFF状態から、ハンドル(2)を
右回転(ON操作)すると、ハンドル(2)の内部端(20
1)とリンク(4)とで形成するトグルリンク機構がデ
ツドポイントをこえて伸長し、可動子(5)は軸(6)
を中心に反時計方向に回動し、可動接点(12)が固定接
点(16)に接触し、第4図に示すON状態となる。つぎ
に、ハンドル(2)を左回転(OFF操作)すると、ハン
ドル(2)の内部端(201)とリンク(4)とで形成す
るトグルリンク機構がデツドポイントをこえて屈曲し、
可動子(5)は軸(6)を中心に時計方向に回動し、可
動接点(12)が固定接点(16)から開離され、第2図に
示すOFF状態となる。
With the above configuration, the link (4) is connected to both latch surfaces (2) of the mover (5) in both the OFF state of the circuit breaker shown in FIG. 2 and the ON state of the circuit breaker shown in FIG. 5a)
It is held between (5b) and the locking portion (7a) of the locking lever (7). When the handle (2) is rotated clockwise (ON operation) from the OFF state shown in Fig. 2, the inner end (20) of the handle (2) is
The toggle link mechanism formed by 1) and the link (4) extends beyond the dead point, and the mover (5) becomes the shaft (6).
It rotates in the counterclockwise direction with respect to, the movable contact (12) comes into contact with the fixed contact (16), and the ON state shown in FIG. 4 is established. Next, when the handle (2) is rotated counterclockwise (OFF operation), the toggle link mechanism formed by the inner end (201) of the handle (2) and the link (4) bends beyond the dead point,
The mover (5) rotates clockwise around the shaft (6), the movable contact (12) is separated from the fixed contact (16), and the OFF state shown in FIG. 2 is obtained.

つぎに、過負荷電流等の比較的小さな過電流が流れた場
合には、第4図の状態にあるバイメタル(27)が自己の
ジユール発熱によつてわん曲し、バイメタル(27)の先
端が係止レバー(7)を押圧し、係止レバー(7)が軸
(6)を中心に時計方向に回動し、リンク(4)の他端
の挾持を解き、引きばね(14)の付勢力により可動子
(5)が軸(6)を中心に時計方向に回動し、可動接点
(12)が固定接点(16)から開離され、第5図に示すよ
うなトリツプ瞬間状態となる。その後、ひねりばね
(3)の付勢力によりハンドル(2)が反時計方向に回
動し、リンク(4)の他端がラツチ面(5a)(5b)と係
止部(7a)との間に位置して、リンク(4)がラツチ面
(5a)(5b)と係止部(7a)により挾持され、第2図に
示すOFF状態と同様になる。つまり自動的にリセツトさ
れるものである。なお、上述のトリツプは時延特性をも
つて行われる。
Next, when a relatively small overcurrent such as an overload current flows, the bimetal (27) in the state shown in Fig. 4 bends due to its own heat generation, and the tip of the bimetal (27) is bent. When the locking lever (7) is pressed, the locking lever (7) rotates clockwise around the shaft (6) to release the pinching of the other end of the link (4) and attach the tension spring (14). Due to the force, the mover (5) rotates clockwise about the shaft (6), the movable contact (12) is separated from the fixed contact (16), and the trip momentary state as shown in FIG. 5 is obtained. . After that, the handle (2) is rotated counterclockwise by the urging force of the torsion spring (3), and the other end of the link (4) is between the latch surfaces (5a) (5b) and the locking portion (7a). At this position, the link (4) is clamped by the latch surfaces (5a) and (5b) and the locking portion (7a), which is similar to the OFF state shown in FIG. In other words, it is automatically reset. The trip described above is performed with time delay characteristics.

一方、短絡電流等の大きな過電流が流れた場合には、コ
イル(17)が励磁され、プランジヤ(22)が押しばね
(23)の付勢力に抗して吸引されてロツド(25)が押し
出され、係止レバー(7)が軸(6)を中心に時計方向
に回動し、リンク(4)の他端の挾持を解く。その後は
過負荷電流による場合と同様の動作をしてトリツプする
ものである。なお、このトリツプは瞬時特性をもつて行
なわれる。
On the other hand, when a large overcurrent such as a short-circuit current flows, the coil (17) is excited, the plunger (22) is attracted against the biasing force of the push spring (23), and the rod (25) is pushed out. Then, the locking lever (7) rotates clockwise about the shaft (6), and the other end of the link (4) is released. After that, the same operation as in the case of the overload current is performed and tripping is performed. It should be noted that this trip is performed with instantaneous characteristics.

〔考案が解決しようとする問題点〕[Problems to be solved by the invention]

以上のような従来の回路遮断器では、短絡電流が大きく
なると、可動子(5)が電磁反撥して係止レバー(7)
とともに開離するため、ロツド(25)が係止レバー
(7)を押す時間が遅れ、トリツプ動作が遅れる。すな
わち、高速遮断ができないという問題点があつた。特
に、高電流定格の瞬時引はずし電流設定値が高いものほ
ど、問題があつた。
In the conventional circuit breaker as described above, when the short-circuit current becomes large, the mover (5) is electromagnetically repulsed and the locking lever (7).
As the rod (25) pushes the locking lever (7), the trip action is delayed because the rod (25) is separated. That is, there is a problem that the high-speed cutoff cannot be performed. In particular, the higher the instantaneous trip current setting value of the high current rating, the more problematic.

この考案はかような問題点を除去するためになされたも
ので、高速遮断が可能な回路遮断器を得ることを目的と
する。
The present invention has been made in order to eliminate such problems, and an object thereof is to obtain a circuit breaker capable of high-speed breaking.

〔問題点を解決するための手段〕[Means for solving problems]

この考案に係る回路遮断器は、係止レバーを軸で直接ベ
ースの丸穴に軸支し、可動子には長円孔を設けてその長
円孔で上記軸を介して可動子をベースに軸支し、係止レ
バーには、可動子の電磁反撥による開離により係止レバ
ーをリンクの係止を解く方向に回転させる突起部が形成
されている。
In the circuit breaker according to the present invention, the locking lever is pivotally supported by the shaft directly in the round hole of the base, and the movable element is provided with an elliptical hole, and the elliptical hole is used to move the movable element to the base through the shaft. The pivoting and locking lever is formed with a protrusion that rotates the locking lever in a direction to unlock the link by opening the movable element by electromagnetic repulsion.

〔作用〕[Action]

この考案においては、可動子が、電磁反撥による開離で
係止レバーの突起部を押し、係止レバーをリンクの係止
を解く方向に回転させ、トリツプ動作を行う。
In this invention, the mover pushes the protrusion of the locking lever by the separation due to the electromagnetic repulsion, and rotates the locking lever in the direction to unlock the link to perform the trip operation.

〔実施例〕〔Example〕

第1図はこの考案の一実施例を示し、(103)はベース
(1)に設けられた丸穴、(5c)は可動子(5)に設け
られた長円孔で中を軸(6)が通る。係止レバー(7)
には突起部(7b)が形成され、係止レバー(7)には突
起部(7b)が形成され、係止レバー(7)は軸(6)に
よつて直接ベース(1)の丸穴(103)に軸支されてい
る。
FIG. 1 shows an embodiment of the present invention, in which (103) is a round hole provided in the base (1), (5c) is an oval hole provided in the mover (5), and the shaft (6 ) Passes. Locking lever (7)
The protrusion (7b) is formed on the locking lever (7), the protrusion (7b) is formed on the locking lever (7), and the locking lever (7) is directly connected by the shaft (6) to the round hole of the base (1). It is pivotally supported by (103).

その他の構成は上述した従来のものと同じため省略す
る。
Other configurations are the same as those of the conventional one described above, and therefore omitted.

以上の構成により、接点の開閉動作は従来のものにおけ
ると同様であるが、短絡電流等の大きな過電流が流れる
と、可動接点(12)と固定接点(16)との間に発生する
接点反撥力と、可動子(5)と固定子(15)との間に発
生する平行導体反撥力により、可動子(5)が反撥開離
し、係止レバー(7)の突起部(7b)を押し、係止レバ
ー(7)を時計方向に回動させてリンク(4)の係止を
解き、トリツプさせる。このとき、プランジヤ(23)も
吸引されてロツド(25)が押し出され、係止レバー
(7)を時計方向に回動させるが、電流が大きくなるほ
ど、この動作は可動子(5)の反撥開離に比べて遅くな
る。
With the above configuration, the contact opening / closing operation is similar to that of the conventional one, but when a large overcurrent such as a short-circuit current flows, contact repulsion generated between the movable contact (12) and the fixed contact (16). By the force and the parallel conductor repulsion force generated between the mover (5) and the stator (15), the mover (5) is repelled and separated, and the protrusion (7b) of the locking lever (7) is released. Push and rotate the locking lever (7) clockwise to unlock the link (4) and trip it. At this time, the plunger (23) is also sucked and the rod (25) is pushed out, and the locking lever (7) is rotated clockwise. However, as the current increases, this action repels the mover (5). It will be slower than opening.

また、ロツド(25)により係止レバー(7)に加わる衝
撃力は、軸(6)を介して直接ベース(1)に伝わり、
可動子(5)へは長円孔(5c)により衝撃力が緩和され
るので、接点(12)(16)に開離に伴う溶着が起こらな
い。
Further, the impact force applied to the locking lever (7) by the rod (25) is directly transmitted to the base (1) via the shaft (6),
Since the oval hole (5c) reduces the impact force on the mover (5), the contacts (12) and (16) are not welded due to the opening.

なお、上記実施例では、筐体をベース(1)としたもの
を示したが、トグルリンク機構、可動子(5)、係止レ
バー(7)を支持する支持板をベースとしてこれを筐体
内に保持したものであつてもよく、上記実施例と同様の
効果を奏する。
In the above-mentioned embodiment, the case where the case is used as the base (1) is shown, but the support plate for supporting the toggle link mechanism, the mover (5) and the locking lever (7) is used as the base, and this is used as the inside of the case. The same effect as in the above embodiment can be obtained.

〔考案の効果〕[Effect of device]

この考案は、以上の説明から明らかなように、係止レバ
ーを軸で直接ベースの丸穴に支持し、可動子に長円孔を
設けてその長円孔で上記軸を介してベースに支持し、係
止レバーに可動子の電磁反撥による開離により係止レバ
ーをリンクの係止を解く方向に回転させる突起部を形成
したので、トリツプ動作が速くなり、高速高限流遮断が
できる効果がある。
As is apparent from the above description, the present invention provides that the locking lever is directly supported by the shaft in the round hole of the base, the movable element is provided with an elliptical hole, and the oval hole is used to support the base through the shaft. The locking lever is formed with a protrusion that rotates the locking lever in the direction to unlock the link due to the electromagnetic repulsion of the mover, so that the tripping operation becomes faster and high-speed, high-current limiting interruption is possible. There is.

特に、瞬時引はずし電流設定値の高い高電流定格になる
ほどその効果は著しい。
In particular, the higher the current rating of the instantaneous trip current setting, the more remarkable the effect.

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

第1図はこの考案の要部の分解斜視図である。 第2図〜第5図は従来の回路遮断器を示し、第2図は側
断面図、第3図は要部の分解斜視図、第4図および第5
図はそれぞれ動作を説明するための側断面図である。 (1)……ベース、(2)……ハンドル、(4)……リ
ンク、(5)……可動子、(5c)……長円孔、(6)…
…軸、(7)……係止レバー、(7b)……突起部、(1
2)……可動接点、(103)……丸穴。 なお、各図中、同一符号は同一又は相当部分を示す。
FIG. 1 is an exploded perspective view of the essential part of this invention. 2 to 5 show a conventional circuit breaker, FIG. 2 is a side sectional view, FIG. 3 is an exploded perspective view of essential parts, FIG. 4 and FIG.
Each of the drawings is a side sectional view for explaining the operation. (1) ... Base, (2) ... Handle, (4) ... Link, (5) ... Mover, (5c) ... Oval hole, (6) ...
… Shaft, (7) …… Locking lever, (7b) …… Protrusion, (1
2) …… Movable contact, (103) …… round hole. In each figure, the same reference numerals indicate the same or corresponding parts.

───────────────────────────────────────────────────── フロントページの続き (72)考案者 小林 義昭 広島県福山市緑町1番8号 三菱電機株式 会社福山製作所内 (72)考案者 松浦 清 広島県福山市緑町1番8号 三菱電機株式 会社福山製作所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Yoshiaki Kobayashi 1-8 Midoricho, Fukuyama-shi, Hiroshima Mitsubishi Electric Co., Ltd. Fukuyama Factory (72) Kiyoshi Matsuura 1-8 Midoricho, Fukuyama-shi, Hiroshima Mitsubishi Electric Co., Ltd. Fukuyama Works

Claims (4)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】ベースに支持され回動操作可能なハンドル
と、このハンドルに一端が回動自在に連結され上記ハン
ドルとともにトグルリンク機構を形成するリンクと、長
円孔が形成され上記ベースに上記長円孔により回動自在
に軸支され一方の回動端部に可動接点を有する可動子
と、上記ベースの丸穴に回動自在に軸支され常時は上記
可動子と上記リンクが連結されるように上記リンクを係
止する係止レバーと、所定値以上の過電流が流れたとき
上記係止レバーを回動させて上記リンクと上記可動子の
連結を解いて上記可動接点を固定接点から開離させる過
電流引はずし手段と、上記係止レバーに形成され短絡発
生時の上記可動子の電磁反撥による開離により上記可動
子と係合して上記係止レバーを上記リンクの係止を解く
方向に回転させる突起部とを備えてなる回路遮断器。
1. A handle supported by a base and rotatable, a link having one end rotatably connected to the handle to form a toggle link mechanism together with the handle, and an elliptical hole formed in the base. A mover that is rotatably supported by an oval hole and has a movable contact at one rotating end, and a mover that is rotatably supported by a round hole of the base and is always connected to the mover and the link. As described above, the locking lever that locks the link, and when an overcurrent of a predetermined value or more flows, the locking lever is rotated to release the connection between the link and the mover, and the movable contact is a fixed contact. From the overcurrent tripping means and the locking lever formed by the electromagnetic repulsion of the moving element when a short circuit occurs, thereby engaging with the moving element to lock the locking lever to the link. A spin that rotates in the direction Circuit breaker comprising a part.
【請求項2】ベースが、開口部を有する筐体である実用
新案登録請求の範囲第1項記載の回路遮断器。
2. The circuit breaker according to claim 1, wherein the base is a housing having an opening.
【請求項3】ベースが、筐体内に取付けられてトグルリ
ンク機構と可動子と係止レバーとを支持した支持板であ
る実用新案登録請求の範囲第1項記載の回路遮断器。
3. The circuit breaker according to claim 1, wherein the base is a support plate mounted in the housing and supporting the toggle link mechanism, the mover and the locking lever.
【請求項4】過電流引はずし手段が、係止レバーを作動
させるプランジャを備えたコイルである実用新案登録請
求の範囲第1項記載の回路遮断器。
4. The circuit breaker according to claim 1, wherein the overcurrent trip means is a coil having a plunger for actuating a locking lever.
JP6425885U 1985-05-01 1985-05-01 Circuit breaker Expired - Lifetime JPH0641326Y2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP6425885U JPH0641326Y2 (en) 1985-05-01 1985-05-01 Circuit breaker
US06/857,092 US4743878A (en) 1985-05-01 1986-04-29 Circuit interrupter
DE19863614702 DE3614702A1 (en) 1985-05-01 1986-04-30 CIRCUIT BREAKER
GB8610695A GB2176659B (en) 1985-05-01 1986-05-01 Circuit interrupter
AU57010/86A AU563224B2 (en) 1985-05-01 1986-05-01 Circuit interrupter
HK341/90A HK34190A (en) 1985-05-01 1990-05-03 Circuit interrupter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6425885U JPH0641326Y2 (en) 1985-05-01 1985-05-01 Circuit breaker

Publications (2)

Publication Number Publication Date
JPS61180438U JPS61180438U (en) 1986-11-11
JPH0641326Y2 true JPH0641326Y2 (en) 1994-10-26

Family

ID=30595174

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6425885U Expired - Lifetime JPH0641326Y2 (en) 1985-05-01 1985-05-01 Circuit breaker

Country Status (1)

Country Link
JP (1) JPH0641326Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0824021B2 (en) * 1988-06-08 1996-03-06 三菱電機株式会社 Circuit breaker switching mechanism

Also Published As

Publication number Publication date
JPS61180438U (en) 1986-11-11

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