JPH0711742U - Circuit breaker - Google Patents
Circuit breakerInfo
- Publication number
- JPH0711742U JPH0711742U JP3979993U JP3979993U JPH0711742U JP H0711742 U JPH0711742 U JP H0711742U JP 3979993 U JP3979993 U JP 3979993U JP 3979993 U JP3979993 U JP 3979993U JP H0711742 U JPH0711742 U JP H0711742U
- Authority
- JP
- Japan
- Prior art keywords
- circuit breaker
- neutral
- terminal portion
- side terminal
- terminal
- 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.)
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Abstract
(57)【要約】
【目的】 配線が容易であるうえ誤配線もなく、分電盤
を小型化することができる単相３線式の分電盤の分岐回
路に使用する回路遮断器を提供すること。
【構成】 電圧線用の単極回路遮断装置部４を組み込ん
だ回路遮断器ケース５内にニュートラル端子部６を一体
に組み込み、該単極回路遮断装置部２の電源側端子部４
と、ニュートラル端子部５の電源側端子部６との何方か
一方の端子部を前記回路遮断器ケース１の一側に形成し
た低段部に設けるとともに他方の端子部を該回路遮断器
ケース１の一側端に該一方の端子部の斜め下方位置とし
て張出させて設ける。
(57) [Abstract] [Purpose] To provide a circuit breaker for use in a branch circuit of a single-phase three-wire type distribution panel that is easy to wire and does not cause miswiring and that can reduce the size of the distribution board. To do. [Structure] A neutral terminal portion 6 is integrally incorporated in a circuit breaker case 5 in which a unipolar circuit breaker portion 4 for a voltage line is incorporated, and a power source side terminal portion 4 of the unipolar circuit breaker portion 2 is integrated.
And one of the neutral side terminal 5 and the power supply side terminal 6 is provided in the low step portion formed on one side of the circuit breaker case 1, and the other terminal is provided in the circuit breaker case 1. It is provided so as to project to one side end as a position diagonally below the one terminal portion.
Description
【０００１】[0001]
本考案は、主に単相３線式の分電盤に使用する分岐用の回路遮断器に関するも のである。 The present invention mainly relates to a branch circuit breaker used in a single-phase three-wire type distribution board.
【０００２】[0002]
従来の単相３線式の分電盤に使用する分岐用の回路遮断器は電圧線用の単極の 遮断部を設けたものに過ぎなかった、そのため分電盤に使用した場合は、図１０ に示すようにこの単極回路遮断器５１を母線５２の側方に並設し、各単極回路遮 断器５１と対応するニュートラル端子５３を中性母線５２ａの下端に集合させて 配置するものであった。 The conventional circuit breaker for branching used in the single-phase three-wire type distribution panel was only provided with a single-pole breaker for the voltage line. Therefore, when it is used in the distribution panel, As shown in FIG. 10, the single-pole circuit breakers 51 are arranged side by side on the bus bar 52, and the neutral terminals 53 corresponding to the single-pole circuit breakers 51 are arranged at the lower end of the neutral bus bar 52a. It was a thing.
【０００３】[0003]
ところが、この従来のものは分電盤に使用した際分岐用の単極回路遮断器５１ とニュートラル端子５３とが離れた位置に配置されているため、単極回路遮断器 ５１とニュートラル端子５３の組み合わせがわかりにくく、配線が面倒であるば かりでなく誤配線しやすいという問題や、電線を配線する際に電線の剥離する部 分が長くなり作業が面倒であるという問題があった。また、ニュートラル端子５ ３を中性母線５２ａの下端に集合させて配置するものであるため、これを配置す るためのスペースが必要なため分電盤が大きくなるという問題もある。 However, in this conventional device, since the branching single-pole circuit breaker 51 and the neutral terminal 53 are arranged at a distance when used in a distribution board, the single-pole circuit breaker 51 and the neutral terminal 53 are separated from each other. There are problems that the combination is difficult to understand, wiring is not only troublesome, but it is easy to erroneously wire, and there is a problem that the wire peeling part becomes long and the work is troublesome. Further, since the neutral terminals 53 are collectively arranged at the lower end of the neutral bus bar 52a, a space for arranging the neutral terminals 52a is required, which causes a problem that the distribution board becomes large.
【０００４】[0004]
前記のような課題は電圧線用の単極回路遮断装置部を組み込んだ回路遮断器ケ ース内にニュートラル端子部を一体に組み込み、該単極回路遮断装置部の電源側 端子部とニュートラル端子部の電源側端子部との何方か一方の端子部を前記回路 遮断器ケースの一側に形成した低段部に設けるとともに他方の端子部を該回路遮 断器ケースの一側端に該一方の端子部の斜め下方位置として張出させて設けたこ とを特徴とする回路遮断器により解決することができる。 The above-mentioned problems are solved by integrally incorporating the neutral terminal portion in the circuit breaker case in which the single-pole circuit breaker portion for the voltage line is incorporated, and the power source side terminal portion and the neutral terminal of the single-pole circuit breaker portion. One of the power supply side terminal part and the other terminal part is provided on the low step part formed on one side of the circuit breaker case, and the other terminal part is provided on one end of the circuit breaker case. This can be solved by a circuit breaker characterized in that it is provided so as to extend obliquely below the terminal portion of the above.
【０００５】[0005]
このような回路遮断器は多数個を分電盤の主幹用母線の側方に並設し、各回路 遮断器の単極回路遮断装置部の電源側端子部を主幹用母線の両側に位置する電圧 母線に分岐用導電バーを介して接続するとともにニュートラル端子部の電源側端 子部を主幹用母線の中央に位置する中性母線に分岐用導電バーを介して接続して 、負荷側の電圧用の電線を単極回路遮断装置部の負荷側端子部に接続するととも に負荷側の中性用の電線をニュートラル端子部の負荷側端子部に接続して分岐回 路を構成するものである。 A large number of such circuit breakers are arranged side by side on the main bus of the distribution board, and the power supply side terminals of the single-pole circuit breaker of each circuit breaker are located on both sides of the main bus. The voltage on the load side is connected to the voltage bus bar via the branch conductive bar, and the neutral side power source terminal of the neutral terminal is connected to the neutral bus bar located in the center of the main bus bar via the branch conductive bar. The power supply cable is connected to the load-side terminal of the single-pole circuit breaker, and the load-side neutral wire is connected to the load-side terminal of the neutral terminal to form a branch circuit. .
【０００６】[0006]
以下に本考案の実施例を図１〜図９に基づき詳細に説明する。 １は回路遮断器ケースであり、該回路遮断器ケース１には図６により概略を示 したような電圧線用の単極回路遮断装置部２が組み込まれている。この単極回路 遮断装置部２はオン、オフ及びトリップの状態をとり得るハンドル２１と、該ハ ンドル２１に連動して開閉する可動接点板２２と、ハンドル２１の安定位置を決 定するクレドル２３と、異常電流検出器機構であるバイメタル２４により作動し クレドル２３の安定状態を解除してハンドル２１をトリップ状態にして可動接点 ２２を固定接点２５から開離させるトリガレバー２６とよりなる従来の単極回路 遮断器と同様のものであり、電源側端子部３を回路遮断器ケース１の一側に形成 した低段部の上面に設けるとともに負荷側端子部４を他側に形成した低段部の上 面に設けている。 An embodiment of the present invention will be described below in detail with reference to FIGS. Reference numeral 1 denotes a circuit breaker case, and the circuit breaker case 1 incorporates a single-pole circuit breaker unit 2 for a voltage line as schematically shown in FIG. The single-pole circuit breaker unit 2 has a handle 21 that can be turned on, off, and tripped, a movable contact plate 22 that opens and closes in conjunction with the handle 21, and a cradle 23 that determines a stable position of the handle 21. And a trigger lever 26 that is operated by a bimetal 24 that is an abnormal current detector mechanism to release the stable state of the cradle 23 and put the handle 21 into a trip state to separate the movable contact 22 from the fixed contact 25. It is similar to a pole circuit breaker, and the power supply side terminal portion 3 is provided on the upper surface of the low step portion formed on one side of the circuit breaker case 1, and the load side terminal portion 4 is formed on the other side. It is provided on the upper surface of.
【０００７】 ５は電圧線用の単極回路遮断装置部２を組み込んでなる回路遮断器ケース１に 一体に組み込んだニュートラル端子部であり、該ニュートラル端子部５は該回路 遮断器ケース１内に前記した単極回路遮断装置部２とは的確な絶縁を確保して組 み込まれており、図７に示すように負荷側端子部３２と、より線３３により接続 した可動接触子３４を前記ハンドル２１と連動して該ハンドル２１がオンの状態 では電源側端子部６の基端の固定接触子３１と接触しており、該ハンドル２１が オフ及びトリップの状態では開離するものである。Reference numeral 5 is a neutral terminal portion integrally incorporated in a circuit breaker case 1 incorporating a single-pole circuit breaker portion 2 for a voltage line, and the neutral terminal portion 5 is provided in the circuit breaker case 1. The single-pole circuit breaker unit 2 is assembled while ensuring proper insulation. As shown in FIG. 7, the load-side terminal unit 32 and the movable contactor 34 connected by a stranded wire 33 are connected to the load-side terminal unit 32. In conjunction with the handle 21, when the handle 21 is on, it contacts the fixed contact 31 at the base end of the power source side terminal portion 6, and when the handle 21 is off and trips, it opens.
【０００８】 また、このニュートラル端子部５の電源側端子部６は前記した単極回路遮断装 置部２の電源側端子部３の斜め下方位置として回路遮断器ケース１の一側端に張 出させて設けられている。また、負荷側端子部３２も単極回路遮断装置部２の電 源側端子部４の斜めに下方位置として回路遮断器ケース１の他側端に張出されて 設けられている。なお、該電源側端子部６と負荷側端子部３２とは図１に示すネ ジ付き端子とする以外に図４に示す速結端子或いは図５に示すバー端子としても よい。さらに、負荷側端子部３２の横方向のずらし方は図１、図４及び図５のよ うに電源側端子部６と負荷側端子部３２を回路遮断器ケース１の幅方向に対称と して設ける外に図３に示すように回路遮断器ケース１の幅の同一方向として設け てもよい。Further, the power source side terminal portion 6 of the neutral terminal portion 5 is extended to one side end of the circuit breaker case 1 as a position diagonally below the power source side terminal portion 3 of the single pole circuit breaker 2 described above. It is provided. Further, the load side terminal portion 32 is also provided obliquely below the power source side terminal portion 4 of the single-pole circuit breaker unit 2 so as to project to the other end of the circuit breaker case 1. The power supply side terminal portion 6 and the load side terminal portion 32 may be fast connecting terminals shown in FIG. 4 or bar terminals shown in FIG. 5 other than the terminals with screws shown in FIG. Further, the lateral displacement of the load side terminal portion 32 is such that the power source side terminal portion 6 and the load side terminal portion 32 are symmetrical with respect to the width direction of the circuit breaker case 1 as shown in FIGS. 1, 4 and 5. In addition to being provided, the circuit breaker case 1 may be provided in the same width direction as shown in FIG.
【０００９】 さらに、ニュートラル端子部５の電源側端子部６及び負荷側端子部３２と、単 極回路遮断装置部２の電源側端子部３と負荷側端子部４とを逆に配置してもよい ことは勿論であり、また、単極回路遮断装置部２の負荷側端子部４とニュートラ ル端子部５の負荷側端子部３２とは回路遮断ケース１の他側に形成した低段部の 上面に絶縁隔壁を設けて並設してもよい。また、ニュートラル端子部５の可動接 触子３４を固定接触子３１と接離する手段としては単極回路遮断装置部２のハン ドル２１と共用したものは部品点数を少なくすることができるうえ機器全体の大 きさをコンパクトにできるが、別途ニュートラル端子部５専用の操作ハンドルを 設けたものであっても良いことは勿論である。Further, the power source side terminal portion 6 and the load side terminal portion 32 of the neutral terminal portion 5 and the power source side terminal portion 3 and the load side terminal portion 4 of the single-pole circuit breaker portion 2 may be arranged in reverse. Needless to say, the load-side terminal portion 4 of the single-pole circuit breaker unit 2 and the load-side terminal portion 32 of the neutral terminal portion 5 are of the low-stage portion formed on the other side of the circuit-breaking case 1. An insulating partition may be provided on the upper surface and arranged side by side. Further, as means for contacting and separating the movable contactor 34 of the neutral terminal portion 5 with the fixed contactor 31, the means which is shared with the handle 21 of the single-pole circuit breaker portion 2 can reduce the number of parts and is a device. Although the overall size can be made compact, it goes without saying that a separate operation handle dedicated to the neutral terminal portion 5 may be provided.
【００１０】 このように構成されたものは、図８及び図９に示すように分電盤の主幹用回路 遮断器４１に接続してその下端に中性母線Ｎを中央にその両側に電圧母線Ｌ1 及 び電圧母線Ｌ2 を配置して並設している主幹用母線４２の両側に設置し、単極回 路遮断装置部２の電源側端子部３は電圧母線Ｌ1 、Ｌ2 に分岐用導電バー１２を 介して接続するとともにニュートラル端子部５の電源側端子板６を中性母線Ｎに 分岐用導電バー１２を介して接続し、負荷側の電圧用の電線を単極回路遮断装置 部２の負荷側端子部４に接続するとともに負荷側の中性用の電線をニュートラル 端子部５の負荷側端子板３２に接続して分岐回路を構成するものであが、本考案 においてはニュートラル端子部５が単極回路遮断装置部２を組み込んだ回路遮断 器ケース１内に一体に組み込んだものであるから負荷側の電線との配線が容易で あるうえ誤配線もないものである。As shown in FIGS. 8 and 9, the thus-configured one is connected to the main circuit breaker 41 of the distribution board and has a neutral bus N at its lower end in the center and a voltage bus on both sides thereof. L 1 and voltage bus L 2 are arranged on both sides of the main bus 42 arranged side by side, and the power supply side terminal portion 3 of the single-pole circuit breaker unit 2 is connected to the voltage buses L 1 and L 2 . Connect via the branch conductive bar 12 and connect the power source side terminal plate 6 of the neutral terminal section 5 to the neutral bus N via the branch conductive bar 12 to disconnect the load side voltage wire from the single pole circuit. A branch circuit is formed by connecting the load side neutral wire to the load side terminal plate 4 of the device section 2 and the load side neutral wire to the load side terminal plate 32 of the neutral terminal section 5. Circuit breaker case in which the neutral terminal section 5 incorporates the single-pole circuit breaker section 2. Since it is integrated into the case 1, it is easy to wire with the load side wire and there is no miswiring.
【００１１】 また、各分岐回路の絶縁抵抗測定を行う場合に同一の回路遮断器ケース１内の ニュートラル端子部５の断路を行えばよいから、絶縁抵抗測定を確実容易に行う ことができる。さらには、ニュートラル端子部を別途中性母線Ｎの下端に集合さ せて配置する必要がないので、分電盤が小型化することもできるものである。 また、単極回路遮断装置部２の電源側端子部３を前記回路遮断器ケース１の一 側に形成した低段部に設けるとともにニュートラル端子部５の電源側端子部６を 該回路遮断器ケース１の一側端に単極回路遮断装置部２の電源側端子部３の斜め 下方位置として段差をつけて張出させて設けたものであるので、その違いは明確 であり主幹母線４２に接続する際に誤接続する虞はなく、また、横方向にずれて いることにより上方に位置する端子部に接続した分岐用導電バー１２が他の端子 部の上部に位置することがないので、保守点検時に接続状態を確認することがで きるうえ取付ネジが緩んでいる場合に的確に増し締めすることもできるものであ る。Further, when the insulation resistance of each branch circuit is measured, the disconnection of the neutral terminal portion 5 in the same circuit breaker case 1 may be performed, so that the insulation resistance can be measured reliably and easily. Furthermore, since it is not necessary to separately arrange the neutral terminal portions at the lower end of the neutral bus N, the distribution board can be downsized. Further, the power supply side terminal portion 3 of the single-pole circuit breaker unit 2 is provided in the low step portion formed on one side of the circuit breaker case 1, and the power supply side terminal portion 6 of the neutral terminal portion 5 is provided in the circuit breaker case. Since it is provided at one end of 1 as a position diagonally below the power supply side terminal part 3 of the single-pole circuit breaker part 2 with a step, it is clear that the difference is clear and it is connected to the main bus 42. There is no risk of incorrect connection when connecting, and the branch conductive bar 12 connected to the terminal located above due to the lateral displacement is not located above the other terminals. Not only can the connection status be checked at the time of inspection, but it can also be properly tightened if the mounting screws are loose.
【００１２】 また、回路に異常電流が流れた場合には単極回路遮断装置部２が的確に回路を 遮断することはもちろんであり、また、絶縁抵抗測定を行う場合に同一の回路遮 断器ケース１内のニュートラル端子部５の断路を行うことにより容易に行うこと ができるものである。In addition, when the abnormal current flows in the circuit, it goes without saying that the single-pole circuit breaker unit 2 cuts off the circuit accurately, and when the insulation resistance is measured, the same circuit breaker is used. This can be easily done by disconnecting the neutral terminal portion 5 in the case 1.
【００１３】[0013]
以上の説明によって明らかなように、本考案にかかるものは、電圧線用の単極 回路遮断装置部を組み込んだ回路遮断器ケース内にニュートラル端子部を一体に 組み込みむとともに単極回路遮断装置部の電源側端子部とニュートラル端子部の 電源側端子部とを前後に位相をずらしたうえ段差を付け設けたことにより、配線 が容易であるうえ誤配線もないものであり、ニュートラル端子部を別途中性母線 の下端に集合させて配置する必要がないので、分電盤を小型化することができる ものである。 よって、本考案は従来の問題点を解決したものとして、その実用的価値極めて 大なものである。 As is clear from the above description, according to the present invention, the neutral terminal part is integrally incorporated in the circuit breaker case in which the single-pole circuit breaker part for the voltage line is incorporated, and the single-pole circuit breaker part The power supply side terminal part and the power supply side terminal part of the neutral terminal part are out of phase with each other and have a step so that wiring is easy and there is no miswiring. The distribution board can be downsized because it is not necessary to place them all together at the lower end of the sex bus. Therefore, the present invention has a great practical value as a solution to the conventional problems.
【図１】本考案の実施例を示す斜視図である。FIG. 1 is a perspective view showing an embodiment of the present invention.
【図２】本考案の実施例を示す正面図である。FIG. 2 is a front view showing an embodiment of the present invention.
【図３】本考案の他の実施例を示す平面図である。FIG. 3 is a plan view showing another embodiment of the present invention.
【図４】本考案の他の実施例を示す斜視図である。FIG. 4 is a perspective view showing another embodiment of the present invention.
【図５】本考案の他の実施例を示す斜視図である。FIG. 5 is a perspective view showing another embodiment of the present invention.
【図６】本考案の実施例の単極回路遮断部を示す概略断
面図である。FIG. 6 is a schematic cross-sectional view showing a single-pole circuit breaker according to an embodiment of the present invention.
【図７】本考案の実施例のニュートラル端子部を示す概
略断面図である。FIG. 7 is a schematic sectional view showing a neutral terminal portion of an embodiment of the present invention.
【図８】本考案の回路遮断器を使用した分電盤を示す正
面図である。FIG. 8 is a front view showing a distribution board using the circuit breaker of the present invention.
【図９】本考案の回路遮断器を使用した分電盤の要部を
示す側面図である。FIG. 9 is a side view showing a main part of a distribution board using the circuit breaker of the present invention.
【図１０】従来の回路遮断器を使用した分電盤を示す正
面図である。FIG. 10 is a front view showing a distribution board using a conventional circuit breaker.
１ 回路遮断器ケース ２ 電圧線用の単極回路遮断装置部 ３ 単極回路遮断装置部の電源側端子部 ５ ニュートラル端子部 ６ ニュートラル端子部の電源側端子部 1 Circuit breaker case 2 Single pole circuit breaker for voltage line 3 Power supply side terminal of single pole circuit breaker 5 Neutral terminal 6 Power supply side terminal of neutral terminal
Claims (1)
み込んだ回路遮断器ケース(1) 内にニュートラル端子部
(5) を一体に組み込み、該単極回路遮断装置部(2) の電
源側端子部(3) と、ニュートラル端子部(5) の電源側端
子部(6) との何方か一方の端子部を前記回路遮断器ケー
ス(1) の一側に形成した低段部に設けるとともに他方の
端子部を該回路遮断器ケース(1) の一側端に該一方の端
子部の斜め下方位置として張出させて設けたことを特徴
とする回路遮断器。1. A neutral terminal part in a circuit breaker case (1) incorporating a unipolar circuit breaker part (2) for voltage lines.
(5) is integrally incorporated, and either one of the power source side terminal section (3) of the single-pole circuit breaker section (2) and the power source side terminal section (6) of the neutral terminal section (5) is connected. Is provided on a low step portion formed on one side of the circuit breaker case (1), and the other terminal portion is stretched at one end of the circuit breaker case (1) as an obliquely lower position of the one terminal portion. A circuit breaker characterized by being installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3979993U JPH0711742U (en) | 1993-07-21 | 1993-07-21 | Circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3979993U JPH0711742U (en) | 1993-07-21 | 1993-07-21 | Circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0711742U true JPH0711742U (en) | 1995-02-21 |
Family
ID=12563009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3979993U Withdrawn JPH0711742U (en) | 1993-07-21 | 1993-07-21 | Circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0711742U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016116252A (en) * | 2014-12-11 | 2016-06-23 | 三菱電機株式会社 | Distribution panel for dc power supply |
| WO2017183175A1 (en) * | 2016-04-22 | 2017-10-26 | 三菱電機株式会社 | Dc power supply distribution board |
-
1993
- 1993-07-21 JP JP3979993U patent/JPH0711742U/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016116252A (en) * | 2014-12-11 | 2016-06-23 | 三菱電機株式会社 | Distribution panel for dc power supply |
| WO2017183175A1 (en) * | 2016-04-22 | 2017-10-26 | 三菱電機株式会社 | Dc power supply distribution board |
| US10439373B2 (en) | 2016-04-22 | 2019-10-08 | Mitsubishi Electric Corporation | DC power supply distribution board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19971106 |