JPH0265607A - Low voltage enclosed switchboard - Google Patents
Low voltage enclosed switchboardInfo
- Publication number
- JPH0265607A JPH0265607A JP63212586A JP21258688A JPH0265607A JP H0265607 A JPH0265607 A JP H0265607A JP 63212586 A JP63212586 A JP 63212586A JP 21258688 A JP21258688 A JP 21258688A JP H0265607 A JPH0265607 A JP H0265607A
- Authority
- JP
- Japan
- Prior art keywords
- conductor
- fixed
- insulating plate
- side terminal
- 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.)
- Pending
Links
- 239000004020 conductor Substances 0.000 claims abstract description 49
- 238000005192 partition Methods 0.000 claims description 21
- 238000007689 inspection Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Patch Boards (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は、低圧閉鎖配電盤に関する６
（従来の技術）
従来の閉鎖配電盤の一例を示す第１０図において、前面
（図示左側）と後面（同右側）に扉が取付けられた低圧
閉鎖配電盤の箱体１内には、前部に引出形遮断器２を収
納した引出ユニット３が三段に設けられた遮断器室１ａ
が設けられ、中間部には箱体１を前後に仕切る仕切板１
ｃが設けられている。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a low-voltage closed switchboard.6 (Prior Art) In FIG. ) and a door attached to the rear (right side) of the low-voltage closed switchboard.
is provided, and in the middle part there is a partition plate 1 that partitions the box body 1 into front and rear parts.
c is provided.
そして、この仕切板１ｃの後部には、この箱体１を左右
に貫通する図示しない横母線に一端が接続され他端が遮
断器２の上極に接続された電源側導体５が配設され、遮
断器２の下極に前端が接続された負荷側導体６の後端に
は、箱体１が設置された床面から立上った図示しない負
荷に接続されるケーブル７の端子が接続されている。A power supply side conductor 5 is disposed at the rear of the partition plate 1c, and has one end connected to a horizontal bus bar (not shown) passing through the box 1 from side to side, and the other end connected to the upper pole of the circuit breaker 2. , A terminal of a cable 7 that is connected to a load (not shown) rising from the floor on which the box 1 is installed is connected to the rear end of the load side conductor 6 whose front end is connected to the lower pole of the circuit breaker 2. has been done.
第１１図は、引出ユニット３内の遮断器２と電源側導体
５及び負荷側導体６との接続を示す詳細図で、遮断器室
１ａに取付けられた引出ユニット３には、後端に長方形
の絶縁板３ａが仕切板１ｃに後面が接して取付けら１れ
、この前方には絶縁板３ａと平行に絶縁板３ｂが取付け
られている。そして、絶縁板３ａ、３ｂ間には、前端が
遮断器２の後部に取付けられた可動側接触子４ｂに嵌合
し、後端が電源側導体５の前端とねし諦めされた固定側
端子４ａ、 と負荷側−７； −／−６にねじ諦めされ
た固定側端子４ａ、が貫通し、図示しないＬ形金具で絶
縁板３ａ、３ｂに固定され、絶ＢＦ３ｂの＋ｉｆ面には
、固定側端子４ａ、、 ４ａ、が貫通した変流器２０が
取付けられている。FIG. 11 is a detailed diagram showing the connection between the circuit breaker 2 in the drawer unit 3, the power supply side conductor 5, and the load side conductor 6. An insulating plate 3a is attached with its rear surface touching the partition plate 1c, and an insulating plate 3b is attached in front of the insulating plate 3a in parallel with the insulating plate 3a. Between the insulating plates 3a and 3b, a fixed side terminal whose front end fits into a movable contact 4b attached to the rear part of the circuit breaker 2, and whose rear end is connected to the front end of the power supply side conductor 5. 4a, and the load side -7; The fixed side terminal 4a screwed into -/-6 passes through and is fixed to the insulating plates 3a and 3b with L-shaped fittings (not shown), and is fixed to the +if side of the absolute BF3b. A current transformer 20 having side terminals 4a, 4a passing through is attached.
（発明が解決しようとする課題）
しかしこのような構成の低圧閉鎖配電盤では、固定側端
子４ａ、、４ａよと電源側導体５及び負荷側４体６との
接続部を点検するときには、後面の扉をあけて母線室１
ｂから行うが、ケーブル７が邪魔になってやりにくい。(Problem to be Solved by the Invention) However, in a low-voltage closed switchboard with such a configuration, when inspecting the connection between the fixed side terminals 4a, 4a, the power supply side conductor 5, and the load side 4 body 6, it is necessary to Open the door to bus room 1
Start from step b, but the cable 7 gets in the way and makes it difficult.
更に、 固定側端子４ａ、の前後を絶縁板３ａ、 ３ｂ
で固定しているが、この固定部のユニット室１ａからの
点検もやりにくいだけでなく、遮断器室１ａの奥行寸法
も長くなるので箱体１の外形が大きくなる。Furthermore, insulating plates 3a and 3b are installed in front and behind the fixed side terminal 4a.
However, it is not only difficult to inspect this fixed part from the unit chamber 1a, but also the depth dimension of the circuit breaker chamber 1a becomes longer, so the outer shape of the box body 1 becomes larger.
そこで、本発明の目的は、保守点検が容易で、外形を減
らすことのできる低圧閉鎖配電盤を得ることである。SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to obtain a low-voltage closed switchboard that is easy to maintain and inspect and whose external size can be reduced.
［発明の構成］
（課題を解決するための手段と作用）
本発明は１箱体を前後に仕切る仕切りの前部に上下に遮
断器を引出自在に収納した引出ユニットが多段に設けら
れ、この引出ユニットの後部の上記仕切りに取付けられ
た絶縁板に固定された固定側端子に上記遮断器の後部端
子が接離される低圧閉鎖配電盤において、
上記絶縁板の中間部に上下に貫通穴を設け、この貫通穴
の上部の絶縁板の前後面に支えを設け。[Structure of the Invention] (Means and Effects for Solving the Problems) In the present invention, a drawer unit in which circuit breakers are housed in a manner that they can be drawn out from above and below is provided in multiple stages at the front part of a partition that partitions one box body into front and back parts. In a low-voltage closed switchboard in which the rear terminal of the circuit breaker is connected to and separated from a fixed side terminal fixed to the insulating plate attached to the partition at the rear of the drawer unit, a through hole is provided in the middle part of the insulating plate at the top and bottom, Provide supports on the front and back surfaces of the insulating plate above this through hole.
前面に設けた上記支えに上記固定側端子を取付け、この
固定側端子と上記後面に設けた支え板に上記貫通穴を前
後に貫通する電源側導体と負荷側導体を取付けることで
、保守・点検が容易で箱体の外形を減らした低圧ｒＡ鎖
配電盤である。Maintenance and inspection can be carried out by attaching the fixed side terminal to the support provided on the front surface, and attaching the power supply side conductor and load side conductor that pass through the through hole back and forth to this fixed side terminal and the support plate provided on the rear surface. This is a low voltage rA chain switchboard that is easy to install and has a reduced box size.
（実施例）
以下、本発明の低圧閉鎖配電盤の一実施例を図面を参照
して説明する。但し、第１Ｏ図〜１１図と重複する部分
は省く。(Embodiment) Hereinafter, an embodiment of the low-voltage closed switchboard of the present invention will be described with reference to the drawings. However, parts that overlap with FIGS. 1O to 11 are omitted.
第１図は本発明の低圧閉鎖配電盤の側断面図、第２図は
第１図のＡ−Ａ断面図、第３図は第１図のＢ−Ｂ断面図
、第４図は第１図の遮断器室１１ａの部分詳細図、第５
図は第４図の要部詳細図、第６図は第５図のＣ−Ｃ断面
斜視図である。FIG. 1 is a side sectional view of a low-voltage closed switchboard according to the present invention, FIG. 2 is a sectional view taken along line A-A in FIG. 1, FIG. 3 is a sectional view taken along line B-B in FIG. Partial detailed view of the circuit breaker chamber 11a, No. 5
The figure is a detailed view of the main part of FIG. 4, and FIG. 6 is a perspective cross-sectional view taken along the line C--C of FIG. 5.
第１図において１箱体１１の中間部の縦の仕切り＋１ｃ
の前面に設けられた遮断器室１１ａの上端には。In Fig. 1, the vertical partition in the middle of one box 11 +1c
At the upper end of the circuit breaker chamber 11a provided in the front of the.
箱体１１を左右に貫通する母線１２が配設された横母線
室ｌｉｄが設けられている。 そして、この母線１２に
は、分岐導体１２ａ、の前端が取付けられ、後端は仕切
りｌｌｃに設けられた第２図〜第３図に示す角穴１１ｃ
ｍから後部のケーブル室１１ｂに貫通している。A horizontal busbar chamber lid is provided in which a busbar 12 passing through the box body 11 from side to side is disposed. The front end of the branch conductor 12a is attached to this bus bar 12, and the rear end is attached to the square hole 11c shown in FIGS. 2 and 3 provided in the partition llc.
It penetrates from m to the rear cable room 11b.
次に、この分分岐導体１２ａ０の後端には、第３図のよ
うにコ字状の分岐導体１２ａ１の上端が接続され。Next, the upper end of the U-shaped branch conductor 12a1 is connected to the rear end of this branch conductor 12a0, as shown in FIG.
この分岐導体１２ａ１の下端は、遮断器室１１ａの上段
の電源側端子１５の後端上面に接続され、更に、この電
源側端子１５の後端と中段の電源側端子１５の後端間に
は分岐導体１２ａ２が、中段の電源側端子Ｉ５の後端と
下段の電源側端子１５間には分岐導体１５ａ３が接続さ
れている（三相とも側面からみて同位置）。The lower end of this branch conductor 12a1 is connected to the upper surface of the rear end of the power supply terminal 15 in the upper stage of the circuit breaker chamber 11a, and between the rear end of this power supply terminal 15 and the rear end of the power supply terminal 15 in the middle stage. A branch conductor 15a3 is connected between the rear end of the middle stage power supply side terminal I5 and the lower stage power supply side terminal 15 of the branch conductor 12a2 (all three phases are at the same position when viewed from the side).
又、上段の負荷側端子１６の後端には、後端にケーブル
１７が接続された負荷側導体１２ｂ□の前端が接続され
、同じく中段の負荷側端子１６の後端には負荷側導体１
２ｂ２が、下段の負荷側端子１６には負荷側導体１２ｂ
□が接続されている。Further, the front end of the load side conductor 12b□, to which the cable 17 is connected to the rear end, is connected to the rear end of the load side terminal 16 in the upper stage, and the load side conductor 12b is connected to the rear end of the load side terminal 16 in the middle stage.
2b2, and the load side conductor 12b is connected to the lower load side terminal 16.
□ is connected.
次に、第４図〜第６図において、上、中、下の各段の引
出ユニット１３の後方の仕切りｌｌｃに設けられた角穴
には、長方形の絶縁板１９が前面からボルトＩＯＡで固
定され、この絶縁板１９には、第６図のように横に長い
長方形の角穴１９ａが上下に設けられている。Next, in FIGS. 4 to 6, rectangular insulating plates 19 are fixed from the front with bolts IOA in the square holes provided in the rear partitions of the upper, middle, and lower drawer units 13. As shown in FIG. 6, this insulating plate 19 is provided with horizontally long rectangular square holes 19a at the top and bottom.
又、この絶縁板１９には、角穴１９ａの上部の前面に断
面り形のＦＲＰｉＱの支え１８Ａが、後面には各相毎に
軟鋼の支え１８ＢがボルトＩＯＢで前面から締付けられ
、 この支え１８Ａの下面には後端が絶縁板１９に接し
て固定側端子１４が取付けられ、この固定側端子１４の
前端は引出ユニット１３に収納された遮断器２の可動側
接触子４ｂに嵌合している。In addition, this insulating plate 19 has a cross-sectional FRPiQ support 18A on the front surface of the upper part of the square hole 19a, and a mild steel support 18B for each phase on the rear surface, which is tightened from the front with bolts IOB. A fixed side terminal 14 is attached to the lower surface of the breaker with its rear end touching the insulating plate 19, and the front end of this fixed side terminal 14 is fitted into the movable side contactor 4b of the circuit breaker 2 housed in the drawer unit 13. There is.
更に、固定側端子１４の下面には、電源側導体１５と負
荷側導体１６の前端がボルト１００で固定され、この両
導体の中間部は支え１８Ｂの下面にボルトＩＯＥで固定
され、電源側導体１５の前部と電流側の固定側端子１４
のＲ相とＴ相には、絶縁板１９にボルト１０Ｆで固定さ
れた変流器２０が挿着されている。Further, the front ends of the power supply side conductor 15 and the load side conductor 16 are fixed to the lower surface of the fixed side terminal 14 with bolts 100, and the intermediate portions of these two conductors are fixed to the lower surface of the support 18B with bolts IOE, and the power supply side conductor 15 and the fixed side terminal 14 on the current side
A current transformer 20 fixed to the insulating plate 19 with bolts 10F is inserted into the R phase and T phase of the insulating plate 19.
このように構成した低圧閉鎖配電盤において。In a low voltage closed switchboard configured in this manner.
絶縁板１９に取付けられた固定側端子１４と電源側導体
１５との締付部を検るときには、まず、遮断器２を下し
、次いで、変流器２０を固定しているボルト１０Ｆをゆ
るめて変流器２０を外すことで、支え１８Ａと固定側端
子１４を締付けているボルト１０Ｃと固定側端子１４と
電源側導体１５を締付けているボルト！００及び絶縁板
１９と支え＋８Ａ、 １８Ｂを締付けているポル１−１
０Ｂのゆるみを検ることかできる。 そして、更に絶縁
板１９を取付けているボルトＩＯＡをゆるめて。When inspecting the tightness between the fixed side terminal 14 attached to the insulating plate 19 and the power supply side conductor 15, first lower the circuit breaker 2, then loosen the bolt 10F that fixes the current transformer 20. By removing the current transformer 20, the bolts 10C that tighten the support 18A and the fixed side terminal 14, and the bolts that tighten the fixed side terminal 14 and the power supply side conductor 15! Pol 1-1 tightening 00 and insulating plate 19 and support +8A, 18B
It is possible to check for looseness of 0B. Then, further loosen the bolt IOA that attaches the insulating plate 19.
絶縁板１９を外すことで、支え１８Ｂと電源側導体１５
を締付けているボルトＩＯＥや電源側導体１５と分岐導
体１２ａ１との締結部を検ることができる。By removing the insulating plate 19, the support 18B and the power supply side conductor 15
It is possible to inspect the bolt IOE tightening the bolt IOE and the fastening portion between the power supply side conductor 15 and the branch conductor 12a1.
したがって１本発明の低圧閉鎖配電盤によれば、閉鎖配
電盤の運転・停止によるヒートサイクルと。Therefore, according to the low-voltage closed switchboard of the present invention, there is a heat cycle caused by the operation and stopping of the closed switchboard.
遮断器２の挿入・引出しによる衝撃で、ｌ＆もゆるみ易
い絶縁板１９近傍の締結部の点検を箱体の前部の遮断器
室１１ａからできるので、保守・点検が容易となる。Since the fastening parts near the insulating plate 19, which are likely to loosen due to the impact caused by inserting or pulling out the circuit breaker 2, can be inspected from the circuit breaker chamber 11a at the front of the box, maintenance and inspection are facilitated.
又、変流器２０は、仕切り１］、ｃに取付けられた絶縁
板１９に直接取付けたので、遮断器室１１ａの奥行を減
らすことができる。Furthermore, since the current transformer 20 is directly attached to the insulating plate 19 attached to the partition 1], c, the depth of the circuit breaker chamber 11a can be reduced.
更に、固定側端子１４の後端は絶縁板１９の前面に接し
ているので、可動側接触子４ｂとの挿脱によるゆるみも
少ない。Furthermore, since the rear end of the fixed side terminal 14 is in contact with the front surface of the insulating plate 19, there is little loosening due to insertion and removal from the movable side contactor 4b.
又、上下の電源側導体１５間を接続するケーブル室１１
ｂの分岐導体１２ａｉ、＋ １２ａ２と１２８３は、仕
切りｌｌｃの裏面の側面からみて同じ位置に配設したの
で、ケーブル室１１ｂの奥行も減らすことができる。In addition, a cable room 11 connects the upper and lower power supply side conductors 15.
Since the branch conductors 12ai, +12a2 and 1283 of b are arranged at the same position when viewed from the side of the back surface of the partition llc, the depth of the cable room 11b can also be reduced.
なお、 上記実施例では母線１２を遮断器室１１ａの上
部に設けたが、遮断器２の定格が大で三段積にできない
ときは、従来例のようにケーブル室１１ｂに設けてもよ
い。In the above embodiment, the bus bar 12 is provided in the upper part of the circuit breaker chamber 11a, but if the rating of the circuit breaker 2 is too large to be stacked in three stages, it may be provided in the cable chamber 11b as in the conventional example.
第７図〜第８図は１本発明の低圧閉鎖配電盤の他の実施
例を示し、遮断器２が二段積のときを示す。7 and 8 show another embodiment of the low-voltage closed switchboard according to the present invention, in which the circuit breakers 2 are stacked in two stages.
第７図〜第８図において、仕切り２１ｃの前部には、上
から母線室１ｂｌよ、上段遮断器室２１ａ、、母線室１
１ｄ、、下段遮断器室２１ａ、 、母線室１１ｄ、に区
画されている。そして、母線室１１ｄ工の母線１２には
分岐導体２２ａ０の前端が接続され、母線室２１ｂに突
き出たこの分岐導体１２ａ０の後端には上段と下段の電
源側導体２５に接続されるコ状の分岐導体２２ａ、 、
２２ａ。7 and 8, the front part of the partition 21c includes, from above, the bus chamber 1bl, the upper circuit breaker chamber 21a, and the bus chamber 1.
It is divided into a lower circuit breaker chamber 1d, a lower circuit breaker chamber 21a, and a busbar chamber 11d. The front end of a branch conductor 22a0 is connected to the busbar 12 of the busbar chamber 11d, and the rear end of this branch conductor 12a0 protruding into the busbar chamber 21b has a U-shaped conductor connected to the upper and lower power supply side conductors 25. Branch conductor 22a, ,
22a.
が接続され、上下段の負荷側導体２６の後端には、母線
室ｌｉｄ、、 ｌｉｄ□の母線２３．２４に接続される
導体２２ａ、が接続されている。The conductors 22a, which are connected to the busbars 23 and 24 of the busbar chambers lid, and lid□, are connected to the rear ends of the load-side conductors 26 in the upper and lower stages.
又、第８図、第９図のように、遮断器室２１ａ、。Also, as shown in FIGS. 8 and 9, a circuit breaker chamber 21a.
２１ａ２の側面には、ケーブル処理室２１ｂが設けられ
。A cable processing chamber 21b is provided on the side surface of 21a2.
分岐母線２３．２４の端部には零相変流器２５とケーブ
ル１７が取付けられている。A zero-phase current transformer 25 and a cable 17 are attached to the ends of the branch busbars 23 and 24.
以上、本発明によれば、遮断器室の後端の箱体を前後に
仕切る仕切りに角穴を設け、この角穴に上下に長方形の
穴が設けられた絶縁板を取付け。As described above, according to the present invention, a square hole is provided in the partition that partitions the box body at the rear end of the circuit breaker chamber into front and back, and an insulating plate having rectangular holes provided above and below is attached to this square hole.
この絶縁板の上記角穴の上部前後面にＬ形の支え板を取
付け、前面に取付けられた上記支え板に遮断器の可動接
触部が挿脱する固定側端子を取付け、この固定側端子の
下面と上記角穴上部後面の支え板の下面に上記仕切りの
後部に上下に配設される分岐導体と負荷側導体が接続さ
れる電源側端子と負荷側端子を接続したので、絶縁板近
傍の端子や導体の固定部と接続部の保守・点検が容易で
、箱体の外形を減らすことのできる低圧閉鎖配電盤を得
ることができる。An L-shaped support plate is attached to the front and rear surfaces of the upper part of the square hole of this insulating plate, and a fixed side terminal, into which the movable contact part of the circuit breaker is inserted and removed, is attached to the support plate attached to the front side. Since the power supply side terminal and the load side terminal to which the branch conductor and load side conductor arranged vertically at the rear of the partition are connected are connected to the bottom surface and the bottom surface of the support plate on the rear surface of the upper part of the square hole, the power supply side terminal and the load side terminal are connected. It is possible to obtain a low-voltage closed switchboard that allows easy maintenance and inspection of terminal and conductor fixing parts and connection parts, and can reduce the external size of the box.
第１図は本発明の低圧閉鎖配電盤の一実施例を示す側面
図、第２図は第１図のＡ−Ａ断面図、第３図は第１図の
Ｂ−Ｂ断面図、第４図は第１図の部分詳細図、第５図は
第４図の要部を示す拡大断面図、第６図は第４図のＣ−
Ｃ断面斜視図、第７図は本発明の低圧閉鎖配電盤の他の
実施例を示す側面図、第８図は第７図のＤ−Ｄ断面図、
第９図は第７図のＥ−Ｅ断面図、ｉｌｏ図は従来の低圧
閉鎖配電盤の一例を示す側面図、第１１図は第１０図の
部分詳細図である。
２・・・遮断器
１・・・箱体
１ａ・・・遮断器室
１ｃ・・・仕切り
４・・・固定側端子
５・・電源側導体
６・・負荷側導体
１８Ａ。
１８Ｂ・・・支え
１９・・・絶縁板
（８７３３）代理人弁理士
猪
股
祥
晃（ばか１名）
第
図
第
図
第
図
１Ｃ
じ
第
図
第
図
第
図
第
図
第
図
第
図FIG. 1 is a side view showing an embodiment of the low-voltage closed switchboard of the present invention, FIG. 2 is a cross-sectional view taken along line A-A in FIG. 1, FIG. 3 is a cross-sectional view taken along line B-B in FIG. 1, and FIG. is a detailed partial view of FIG. 1, FIG. 5 is an enlarged sectional view showing the main part of FIG. 4, and FIG. 6 is a detailed view of FIG.
C sectional perspective view, FIG. 7 is a side view showing another embodiment of the low voltage closed switchboard of the present invention, FIG. 8 is a DD sectional view of FIG. 7,
FIG. 9 is a sectional view taken along the line E-E in FIG. 7, FIG. 10 is a side view showing an example of a conventional low-voltage closed switchboard, and FIG. 11 is a partially detailed view of FIG. 10. 2... Breaker 1... Box 1a... Breaker chamber 1c... Partition 4... Fixed side terminal 5... Power supply side conductor 6... Load side conductor 18A. 18B...Support 19...Insulating plate (8733) Representative patent attorney Yoshiaki Inomata (one idiot) Figure Figure Figure 1C Figure Figure Figure Figure Figure Figure Figure Figure
Claims (1)
が収納された遮断器室が多段に設けられ、この遮断器室
の後端の前記隔壁に取付けられた絶縁板に固定された固
定側端子に前記遮断器の後部端子が接離される低圧閉鎖
配電盤において、前記絶縁板の中間部の上下に貫通穴を
設け、この貫通穴の上部の前記絶縁板の前後面に支えを
設け、この絶縁板の前面の支えの下面に前記固定側端子
を締結固定し、前記絶縁板の貫通穴を前後に貫通し前端
が前記固定側端子の下面に締結固定され中間部が前記絶
縁板の後面に設けられた前記支えの下面に締結固定され
後端が前記隔壁の後部に配設された分岐導体に接続され
る導体を設けたことを特徴とする低圧閉鎖配電盤。A multi-tiered circuit breaker chamber housing a freely drawable circuit breaker is provided at the front of a partition wall that divides the inside of the box into front and rear sections, and is fixed to an insulating plate attached to the partition wall at the rear end of this circuit breaker chamber. In a low-voltage closed switchboard in which a rear terminal of the circuit breaker is connected to and separated from a fixed side terminal, a through hole is provided above and below an intermediate portion of the insulating plate, and a support is provided on the front and rear surfaces of the insulating plate above the through hole, The fixed side terminal is fastened and fixed to the lower surface of the front support of this insulating plate, the through hole of the insulating plate is penetrated back and forth, the front end is fastened and fixed to the lower face of the fixed side terminal, and the middle part is fastened and fixed to the rear side of the insulating plate. A low-voltage closed switchboard, characterized in that a conductor is provided, the conductor being fastened and fixed to the lower surface of the support provided at the partition wall, the rear end of which is connected to a branch conductor provided at the rear of the partition wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63212586A JPH0265607A (en) | 1988-08-29 | 1988-08-29 | Low voltage enclosed switchboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63212586A JPH0265607A (en) | 1988-08-29 | 1988-08-29 | Low voltage enclosed switchboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0265607A true JPH0265607A (en) | 1990-03-06 |
Family
ID=16625156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63212586A Pending JPH0265607A (en) | 1988-08-29 | 1988-08-29 | Low voltage enclosed switchboard |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0265607A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7537425B2 (en) | 2002-12-30 | 2009-05-26 | Tdk Corporation | Wafer processing apparatus having dust proof function |
| US7607880B2 (en) | 2000-08-31 | 2009-10-27 | Tdk Corporation | Wafer processing apparatus having dust proof function |
| JP2010213532A (en) * | 2009-03-12 | 2010-09-24 | Mitsubishi Electric Corp | Switchgear |
| JP2014131387A (en) * | 2012-12-28 | 2014-07-10 | Mitsubishi Electric Corp | Switch gear |
-
1988
- 1988-08-29 JP JP63212586A patent/JPH0265607A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7607880B2 (en) | 2000-08-31 | 2009-10-27 | Tdk Corporation | Wafer processing apparatus having dust proof function |
| US7670095B2 (en) | 2000-08-31 | 2010-03-02 | Tdk Corporation | Wafer processing apparatus having dust proof function |
| US7537425B2 (en) | 2002-12-30 | 2009-05-26 | Tdk Corporation | Wafer processing apparatus having dust proof function |
| US7614840B2 (en) | 2002-12-30 | 2009-11-10 | Tdk Corporation | Wafer processing apparatus having dust proof function |
| JP2010213532A (en) * | 2009-03-12 | 2010-09-24 | Mitsubishi Electric Corp | Switchgear |
| JP2014131387A (en) * | 2012-12-28 | 2014-07-10 | Mitsubishi Electric Corp | Switch gear |
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