JP4726513B2 - Switchboard and manufacturing method thereof - Google Patents

Switchboard and manufacturing method thereof Download PDF

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JP4726513B2
JP4726513B2 JP2005054155A JP2005054155A JP4726513B2 JP 4726513 B2 JP4726513 B2 JP 4726513B2 JP 2005054155 A JP2005054155 A JP 2005054155A JP 2005054155 A JP2005054155 A JP 2005054155A JP 4726513 B2 JP4726513 B2 JP 4726513B2
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vertical bus
mounting frame
vertical
box
switchboard
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JP2006246547A (en
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幸宏 秋山
和史 林
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Description

この発明は、箱体内に垂直に母線が配置されている配電盤及びその製造方法に関するものである。   The present invention relates to a switchboard in which bus bars are arranged vertically in a box and a method for manufacturing the switchboard.

図９は、従来の配電盤の要部を示す概略正面図である。図１０は図９のＣ−Ｃ線断面図である。図９は、その正面側の機能ユニット３と垂直母線カバー１１を取り除いて示すものである。配電盤の箱体１２内には、垂直方向に組み込まれた各機能ユニット３に電力を供給するために、垂直方向に母線（垂直母線）７が配置されている。垂直母線７を箱体１２に組み付け固定するときは、箱体１２を構成するフレームである取付枠１３に複数の垂直母線サポート６をそれぞれ取付て固定した後、その各垂直母線サポート６に垂直母線７を取付て固定していた。なお、同種の配電盤は特許文献１に開示されている。   FIG. 9 is a schematic front view showing a main part of a conventional switchboard. 10 is a cross-sectional view taken along the line CC of FIG. FIG. 9 shows the functional unit 3 and the vertical bus cover 11 on the front side. In the box 12 of the switchboard, a bus (vertical bus) 7 is arranged in the vertical direction in order to supply electric power to each functional unit 3 incorporated in the vertical direction. When the vertical bus 7 is assembled and fixed to the box 12, a plurality of vertical bus supports 6 are attached and fixed to a mounting frame 13 that is a frame constituting the box 12, and then the vertical bus is supported on each vertical bus support 6. 7 was attached and fixed. In addition, the same kind of switchboard is disclosed by patent document 1. FIG.

特開２００１−６９６１７号公報JP 2001-69617 A

従来の配電盤では、垂直母線サポート６を取り付る取付枠１３が、箱体構成部材と共用していた為、垂直母線サポート６を箱体に直接組み付け、その後、垂直母線７を箱体に取付けていた。そのため、取付ける箱体が出来上がっていなければ垂直母線７の組み付けが行なえず作業効率が悪かった。また、箱体内での組立の為、狭いスペースでの作業が発生して作業性が悪かった。
この発明は、上記のような問題点を解消するためになされたもので、配電盤の垂直母線の組立作業効率を向上させることを目的とする。 In the conventional switchboard, the mounting frame 13 for attaching the vertical bus bar support 6 is shared with the box constituent members. Therefore, the vertical bus bar support 6 is directly assembled to the box, and then the vertical bus bar 7 is mounted to the box. It was. For this reason, if the box to be attached is not completed, the vertical bus 7 cannot be assembled and the work efficiency is poor. Also, because of the assembly in the box, work in a narrow space occurred and workability was poor.
The present invention has been made to solve the above-described problems, and it is an object of the present invention to improve the assembly work efficiency of the vertical bus of the switchboard.

この発明に係わる配電盤は、盤のフレームを構成する箱体内に電力を供給する水平母線と、上記水平母線に接続され各機能ユニットへ電力を分配する垂直母線とを有する配電盤において、上記垂直母線と、上記垂直母線を保持する複数の垂直母線サポートと、上記垂直母線を保持する複数の上記垂直母線サポートを取り付け固定する内取付枠とで構成された垂直母線組立体を備え、上記垂直母線組立体は、上記内取付枠の長手方向の上端を、上記箱体の一部を構成する外取付枠に取り付けて固定され、上記内取付枠の長手方向の下端を、上下方向の位置を選択して固定し得る下取付枠を介して上記外取付枠に取り付けて固定されるように構成したものである。 The switchboard according to the present invention is a switchboard having a horizontal bus for supplying power to a box constituting a frame of the board, and a vertical bus connected to the horizontal bus for distributing power to each functional unit. A vertical bus assembly comprising: a plurality of vertical bus bars supporting the vertical bus; and an inner mounting frame for mounting and fixing the plurality of vertical bus supports holding the vertical bus. The upper end of the inner mounting frame in the longitudinal direction is fixed to the outer mounting frame constituting a part of the box, and the lower end of the inner mounting frame in the longitudinal direction is selected in the vertical direction. It is configured to be fixed to the outer mounting frame via a lower mounting frame that can be fixed .

また、この発明に係わる配電盤の製造方法は、盤のフレームを構成する箱体内に電力を供給する水平母線と、上記水平母線に接続され各機能ユニットへ電力を分配する垂直母線とを有する配電盤の製造方法において、上記垂直母線と、上記垂直母線を保持する複数の垂直母線サポートと、上記垂直母線を保持する複数の上記垂直母線サポートを取り付け固定する内取付枠とで垂直母線組立体を構成した後に、上記垂直母線組立体は、上記内取付枠の長手方向の上端を、上記箱体の一部を構成する外取付枠に取り付けて固定され、上記内取付枠の長手方向の下端を、上下方向の位置を選択して固定し得る下取付枠を介して上記外取付枠に取り付けて固定されるようにしたものである。 The switchboard manufacturing method according to the present invention is a distribution board having a horizontal bus for supplying power to the box constituting the frame of the board and a vertical bus connected to the horizontal bus for distributing power to each functional unit. In the manufacturing method, a vertical bus bar assembly is configured by the vertical bus bar, a plurality of vertical bus bar supports for holding the vertical bus bar, and an inner mounting frame for mounting and fixing the plurality of vertical bus bar supports for holding the vertical bus bar. Later, the vertical bus bar assembly is fixed by attaching the upper end of the inner mounting frame in the longitudinal direction to the outer mounting frame constituting a part of the box, and the lower end of the inner mounting frame in the longitudinal direction. It is attached and fixed to the outer mounting frame via a lower mounting frame that can be selected and fixed in the direction.

この発明の配電盤及びその製造方法によれば、配電盤の箱体のスペースにとらわれずに、垂直母線組立体を盤外で組立てることが可能であり、組立てた垂直母線組立体を盤のフレームを構成する箱体内に組み込むため、垂直母線の組立、組み込み作業効率を向上させることができる。また、垂直母線組立体は配電盤の箱体の有無に係わらず、垂直母線の組立が行なえるため、作り置きが可能となり、組立作業の効率化を図ることができる。
さらに、箱体に組み込んで固定するに当たり、垂直母線組立体は、内取付枠の長手方向の上端を、箱体の一部を構成する外取付枠に取り付けて固定し、内取付枠の長手方向の下端を、上下方向の位置を選択して固定し得る下取付枠を介して外取付枠に取り付けて固定するようにしたので、垂直母線組立体は、外取付枠と下取付枠によって上下から挟み込むように取付けられることができる。 According to the switchboard and the manufacturing method thereof of the present invention, the vertical bus assembly can be assembled outside the panel without being constrained by the box space of the switchboard, and the assembled vertical bus assembly constitutes the frame of the panel. As a result, it is possible to improve the assembly and assembly work efficiency of the vertical bus. In addition, the vertical bus bar assembly can be assembled regardless of whether or not the switchboard box is present, so that the vertical bus bar assembly can be made and the efficiency of the assembly work can be improved.
Further, when assembled and fixed in the box, the vertical bus assembly is fixed by attaching the upper end of the inner mounting frame in the longitudinal direction to the outer mounting frame constituting a part of the box, and fixing the inner mounting frame in the longitudinal direction. Since the lower end of the vertical bus bar assembly is fixed to the outer mounting frame via the lower mounting frame that can be fixed by selecting the position in the vertical direction, the vertical bus bar assembly is mounted from above and below by the outer mounting frame and the lower mounting frame. Can be mounted to pinch.

実施の形態１．
図１はこの発明の実施の形態１である配電盤を示す正面図である。図２は図１のＡ−Ａ線に沿う断面図である。図３は図１のＢ−Ｂ線に沿う断面図である。図において、配電盤１は、盤のフレームを構成する箱体２と盤の前後部に組み上げて搭載される複数の機能ユニット３とを有している。また、配電盤１は、電源より電力を供給する盤内裏側上部に配設された水平母線４、及び前後部の各機能ユニット３へ電力を供給するために、盤中央部に配設され銅・アルミニウムなどの導電材料を使用したＺ字状の垂直母線７を有している。 Embodiment 1 FIG.
1 is a front view showing a switchboard according to Embodiment 1 of the present invention. FIG. 2 is a cross-sectional view taken along line AA in FIG. FIG. 3 is a cross-sectional view taken along line BB in FIG. In the figure, a switchboard 1 has a box 2 constituting a frame of the board and a plurality of functional units 3 assembled and mounted on the front and rear parts of the board. In addition, the switchboard 1 is provided at the center of the panel to supply power to the horizontal bus 4 provided at the upper rear side of the panel for supplying power from the power source and the functional units 3 at the front and rear. It has a Z-shaped vertical bus 7 using a conductive material such as aluminum.

垂直母線７は、垂直母線７を保持する複数の垂直母線サポート６を内取付枠８に取付け固定して構成した垂直母線組立体５を箱体２の外取付枠２ａに組み込んで固定している。垂直母線組立体５は垂直母線カバー１１により各機能ユニット３から隔離されている。機能ユニット３はその裏部に設けられた接触子３ａによって垂直母線７と接続され、電力の供給を受けており、垂直母線カバー１１には接触子３ａが通る角穴１１ａが設けられている。   The vertical bus 7 includes a vertical bus assembly 5 configured by mounting and fixing a plurality of vertical bus supports 6 holding the vertical bus 7 to the inner mounting frame 8 and is fixed to the outer mounting frame 2 a of the box 2. . The vertical bus bar assembly 5 is separated from each functional unit 3 by a vertical bus bar cover 11. The functional unit 3 is connected to the vertical bus 7 by a contact 3a provided on the back thereof, and is supplied with electric power. The vertical bus cover 11 is provided with a square hole 11a through which the contact 3a passes.

図４は実施の形態１に用いる垂直母線組立体を示す分解斜視図である。垂直母線組立体５の組み立てについて説明する。垂直母線７にそれを支持するために必要とする垂直母線サポート６を複数取り付ける。垂直母線サポート６は、３相の垂直母線７間を、必要とする絶縁距離を隔てて両側から挟み込む絶縁部材６ａ，６ｂと、それらを両側から押圧し支持する支持金具６ｃ，６ｄとを、ねじ６ｅによって締め付けて構成されている。ねじ６ｅと垂直母線７間も必要とする絶縁距離が設けられている。垂直母線７に設ける複数個の垂直母線サポート６間は、必要とする所望の距離隔てている。 FIG. 4 is an exploded perspective view showing the vertical bus bar assembly used in the first embodiment. The assembly of the vertical bus bar assembly 5 will be described. A plurality of vertical bus bar supports 6 necessary for supporting the vertical bus bar 7 are attached. The vertical bus support 6 is composed of insulating members 6a and 6b that sandwich the three-phase vertical buses 7 from both sides with a necessary insulation distance therebetween, and support metal fittings 6c and 6d that press and support them from both sides. 6e is tightened. A necessary insulation distance is also provided between the screw 6e and the vertical bus bar 7. A plurality of vertical bus supports 6 provided on the vertical bus 7 are separated by a desired distance.

３相の垂直母線７を保持し所望の間隔にて配置された垂直母線サポート６は、互いに向き合う２つのコ字状の金属製内取付枠８にねじ６ｆによって取り付けられる。このようにして、垂直母線組立体７が組立てられる。内取付枠８には、複数個ある垂直母線サポート６の間隔を、盤の仕様毎に異なる機械的強度によって容易に変更できるように、所定間隔で予備のねじ孔(取り付け止め部)が設けられている。そのため、垂直母線組立体５を仕様毎に作り置きすることができる。さらに、垂直母線７、垂直母線サポート６及び内取付枠８を一つの組立体にする、即ちアセンブリ化することによって、垂直母線組立体５は箱体１とは、別の場所、別の時間で組立可能となり、箱体１に依存せずに製作を行なうことができる。   The vertical bus bar support 6 holding the three-phase vertical bus bars 7 and arranged at a desired interval is attached to two U-shaped metal inner mounting frames 8 facing each other by screws 6f. In this way, the vertical bus bar assembly 7 is assembled. The inner mounting frame 8 is provided with spare screw holes (mounting stoppers) at predetermined intervals so that the interval between the plurality of vertical bus bar supports 6 can be easily changed according to the mechanical strength that varies depending on the specifications of the panel. ing. Therefore, the vertical bus assembly 5 can be made for each specification. Further, by forming the vertical bus 7, the vertical bus support 6 and the inner mounting frame 8 into one assembly, that is, assembling, the vertical bus assembly 5 is separated from the box 1 at a different place and at a different time. Assembling becomes possible, and it can be manufactured without depending on the box 1.

図５は図４で組立てられた垂直母線組立体５を箱体２に取り付ける様子を示す分解斜視図であり、図６は垂直母線組立体５を箱体２に取り付けた状態を示す斜視図である。図７は図６の垂直母線７に水平母線４を接続して取り付けた正面図である。図に示すように、組立てられた垂直母線組立体５は、あらかじめ横倒しされた状態の箱体２の中央に配置される。箱体２には、箱体２の一部を構成する外取付枠２ａが両側の中央にそれぞれ設けられている。さらに箱体２の一部を構成する外取付枠９が、両外取付枠２ａの上端間に固定されている。両外取付枠２ａの下端部には、下取付枠１０が、両外取付枠２ａ間に、上下方向の位置を選択して固定し得るように設けられている。   5 is an exploded perspective view showing a state in which the vertical bus assembly 5 assembled in FIG. 4 is attached to the box 2, and FIG. 6 is a perspective view showing a state in which the vertical bus assembly 5 is attached to the box 2. is there. FIG. 7 is a front view of the horizontal bus 4 connected to the vertical bus 7 in FIG. As shown in the figure, the assembled vertical bus assembly 5 is disposed at the center of the box 2 in a state of being laid down in advance. The box 2 is provided with an outer mounting frame 2a constituting a part of the box 2 at the center on both sides. Further, an outer mounting frame 9 constituting a part of the box 2 is fixed between the upper ends of both outer mounting frames 2a. A lower mounting frame 10 is provided at the lower end portions of the outer mounting frames 2a so that the position in the vertical direction can be selected and fixed between the outer mounting frames 2a.

垂直母線組立体５は、両外取付枠２ａ、外取付枠９と下取付枠１０で囲まれるスペースに配置され、垂直母線組立体５の上端を外取付板９の左右方向中央にねじで固定する。さらに、垂直母線組立体５の下端は、下取付枠１０の左右方向中央に保持され、ねじで固定されている。そして、その下取付枠１０は左右両側の外取付枠２ａにねじで固定される。つまり、垂直母線組立体５の下端は、下取付枠１０を介して外取付枠２ａに固定される。垂直母線組立体５は、外取付枠９と下取付枠（支持枠）１０によって上下から挟み込むように取付けられる。このように、アセンブリ化された垂直母線組立体５を箱体２の外取付枠９、２ａに取付ることで、狭いスペースでの作業も少なくなり作業性が向上する。   The vertical bus bar assembly 5 is disposed in a space surrounded by the outer mounting frame 2a, the outer mounting frame 9 and the lower mounting frame 10, and the upper end of the vertical bus bar assembly 5 is fixed to the center of the outer mounting plate 9 in the left-right direction with screws. To do. Furthermore, the lower end of the vertical bus bar assembly 5 is held at the center in the left-right direction of the lower mounting frame 10 and fixed with screws. The lower mounting frame 10 is fixed to the outer mounting frames 2a on the left and right sides with screws. That is, the lower end of the vertical bus assembly 5 is fixed to the outer mounting frame 2 a via the lower mounting frame 10. The vertical bus bar assembly 5 is mounted so as to be sandwiched from above and below by an outer mounting frame 9 and a lower mounting frame (support frame) 10. As described above, by attaching the assembled vertical bus bar assembly 5 to the outer mounting frames 9 and 2a of the box 2, work in a narrow space is reduced and workability is improved.

垂直母線組立体５の前面側及び裏面側には、垂直母線カバー１１が配置され、内取付枠８と箱体２の一部を構成する外取付枠２ａに垂直方向に複数枚がねじで取り付け固定される。なお、図７では、垂直母線カバー１１を鎖線で示している。垂直母線カバー１１は、垂直母線７より電力の供給を受ける機能ユニット３の接触子３ａを挿入する角穴１１ａ以外は、機能ユニット３と垂直母線７を遮蔽することができる。このような構成にすることで、例えば機能ユニット３で事故などが起こった際にも垂直母線７や他の機能ユニット３への事故の波及を少なくすることができる。   A vertical bus bar cover 11 is arranged on the front side and the back side of the vertical bus assembly 5, and a plurality of screws are attached to the inner mounting frame 8 and the outer mounting frame 2 a constituting a part of the box body 2 with screws in the vertical direction. Fixed. In FIG. 7, the vertical bus cover 11 is indicated by a chain line. The vertical bus cover 11 can shield the functional unit 3 and the vertical bus 7 except for the square hole 11a into which the contact 3a of the functional unit 3 that receives power supply from the vertical bus 7 is inserted. By adopting such a configuration, for example, even when an accident or the like occurs in the functional unit 3, the spread of the accident to the vertical bus 7 or other functional units 3 can be reduced.

実施の形態２．
図８は実施の形態２の配電盤を示す概略断面図である。実施の形態１の説明では垂直母線７はＺ字状のものとして説明したが形状が平板状垂直母線７であっても上記のものと同等の効果を奏する。
また、実施の形態１の説明では、複数の部品で構成される垂直母線サポート６によって垂直母線７の前側と後側より挟み込むように押圧し支持する例を説明したが、あらかじめ垂直母線７の貫通する孔の設けられた垂直母線サポート６に垂直母線７を貫通させて支持させるようにしても、上記のものと同等の効果を奏する。 Embodiment 2. FIG.
FIG. 8 is a schematic cross-sectional view showing the switchboard of the second embodiment. In the description of the first embodiment, the vertical bus 7 is described as being Z-shaped, but even if the shape is the flat vertical bus 7, the same effect as described above can be obtained.
In the description of the first embodiment, the example in which the vertical bus bar 6 configured by a plurality of parts is pressed and supported so as to be sandwiched from the front side and the rear side of the vertical bus bar 7 is described. Even if the vertical bus 7 is penetrated and supported by the vertical bus support 6 provided with the holes to be formed, the same effect as described above is obtained.

この発明の実施の形態１である配電盤を示す正面図である。It is a front view which shows the switchboard which is Embodiment 1 of this invention. 図１のＡ−Ａ線に沿う断面図である。It is sectional drawing which follows the AA line of FIG. 図１のＢ−Ｂ線に沿う断面図である。It is sectional drawing which follows the BB line of FIG. 実施の形態１に用いる垂直母線組立体を示す分解斜視図である。3 is an exploded perspective view showing a vertical bus bar assembly used in Embodiment 1. FIG. 図４で組立てられた垂直母線組立体を箱体に取り付ける様子を示す分解斜視図である。It is a disassembled perspective view which shows a mode that the vertical bus-bar assembly assembled in FIG. 4 is attached to a box. 垂直母線組立体を箱体に取り付けた状態を示す斜視図である。It is a perspective view which shows the state which attached the vertical bus-bar assembly to the box. 図６の垂直母線に水平母線を接続して取り付けた正面図である。It is the front view which connected and attached the horizontal bus to the vertical bus of FIG. 実施の形態２の配電盤を示す概略断面図である。FIG. 6 is a schematic cross-sectional view showing a switchboard according to a second embodiment. 従来の配電盤の要部を示す概略正面図である。It is a schematic front view which shows the principal part of the conventional switchboard. 図９のＣ−Ｃ線断面図である。It is CC sectional view taken on the line of FIG.

符号の説明Explanation of symbols

１ 配電盤 ２ 箱体
２ａ 外取付枠 ３ 機能ユニット
３ａ 接触子 ４ 水平母線
５ 垂直母線組立体 ６ 垂直母線サポート
６ａ，６ｂ 絶縁部材 ６ｃ，６ｄ 支持金具
６ｅ ねじ ６ｆ ねじ
７ 垂直母線 ８ 内取付枠
９ 外取付枠 １０ 下取付枠
１１ 垂直母線カバー １１ａ 角穴
１２ 箱体 １３ 取付枠 DESCRIPTION OF SYMBOLS 1 Switchboard 2 Box 2a Outer mounting frame 3 Functional unit 3a Contact 4 Horizontal bus 5 Vertical bus assembly 6 Vertical bus support 6a, 6b Insulation member 6c, 6d Support metal fitting 6e Screw 6f Screw 7 Vertical bus 8 Inner mounting frame 9 Outside Mounting frame 10 Lower mounting frame 11 Vertical bus bar cover 11a Square hole 12 Box 13 Mounting frame

Claims (3)

盤のフレームを構成する箱体内に電力を供給する水平母線と、上記水平母線に接続され各機能ユニットへ電力を分配する垂直母線とを有する配電盤において、
上記垂直母線と、上記垂直母線を保持する複数の垂直母線サポートと、上記垂直母線を保持する複数の上記垂直母線サポートを取り付け固定する内取付枠とで構成された垂直母線組立体を備え、
上記垂直母線組立体は、上記内取付枠の長手方向の上端を、上記箱体の一部を構成する外取付枠に取り付けて固定され、上記内取付枠の長手方向の下端を、上下方向の位置を選択して固定し得る下取付枠を介して上記外取付枠に取り付けて固定されるように構成したことを特徴とする配電盤。 In a switchboard having a horizontal bus for supplying power into the box constituting the frame of the panel, and a vertical bus connected to the horizontal bus for distributing power to each functional unit,
A vertical bus assembly composed of the vertical bus, a plurality of vertical bus supports for holding the vertical bus, and an inner mounting frame for mounting and fixing the plurality of vertical bus supports for holding the vertical bus;
The vertical bus bar assembly is fixed by attaching the upper end in the longitudinal direction of the inner mounting frame to an outer mounting frame constituting a part of the box, and the lower end in the longitudinal direction of the inner mounting frame in the vertical direction. A switchboard configured to be attached and fixed to the outer mounting frame via a lower mounting frame that can be fixed by selecting a position. 上記内取付枠には、複数の上記垂直母線サポートに対する予備の取り付け止め部を設け、複数の上記垂直母線サポートを所望のピッチで取付けられるようにした請求項１記載の配電盤。   The switchboard according to claim 1, wherein the inner mounting frame is provided with spare mounting stop portions for the plurality of vertical bus bar supports so that the plurality of vertical bus bar supports can be mounted at a desired pitch. 盤のフレームを構成する箱体内に電力を供給する水平母線と、上記水平母線に接続され各機能ユニットへ電力を分配する垂直母線とを有する配電盤の製造方法において、
上記垂直母線と、上記垂直母線を保持する複数の垂直母線サポートと、上記垂直母線を保持する複数の上記垂直母線サポートを取り付け固定する内取付枠とで垂直母線組立体を構成した後に、
上記垂直母線組立体は、上記内取付枠の長手方向の上端を、上記箱体の一部を構成する外取付枠に取り付けて固定され、上記内取付枠の長手方向の下端を、上下方向の位置を選択して固定し得る下取付枠を介して上記外取付枠に取り付けて固定されるようにしたことを特徴とする配電盤の製造方法。 In a method of manufacturing a switchboard having a horizontal bus for supplying power into a box constituting a frame of the panel, and a vertical bus connected to the horizontal bus for distributing power to each functional unit,
After forming a vertical bus assembly with the vertical bus, a plurality of vertical bus supports holding the vertical bus, and an inner mounting frame for mounting and fixing the plurality of vertical bus supports holding the vertical bus,
The vertical bus bar assembly is fixed by attaching the upper end in the longitudinal direction of the inner mounting frame to an outer mounting frame constituting a part of the box, and the lower end in the longitudinal direction of the inner mounting frame in the vertical direction. A method for manufacturing a switchboard , wherein the position is selected and fixed to the outer mounting frame via a lower mounting frame that can be fixed.
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JP2016046841A (en) * 2014-08-20 2016-04-04 株式会社日立製作所 Switch gear, switch gear group or assembly method for switch gear
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