JPS62226522A - Electromagnetic contactor - Google Patents
Electromagnetic contactorInfo
- Publication number
- JPS62226522A JPS62226522A JP6712986A JP6712986A JPS62226522A JP S62226522 A JPS62226522 A JP S62226522A JP 6712986 A JP6712986 A JP 6712986A JP 6712986 A JP6712986 A JP 6712986A JP S62226522 A JPS62226522 A JP S62226522A
- Authority
- JP
- Japan
- Prior art keywords
- contact
- fixed
- movable
- fixed contact
- protrusion
- 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
- 239000000428 dust Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 13
- 239000011810 insulating material Substances 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
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
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は電磁接触器の改良に関し、特に電線の接続作
業等の際可動接触子が抜は落ちるのを防止した電磁接触
器に関するものであるり〔従来の技術〕
第5肉は従来の電磁接触器の正面図、第6図は第5図の
平面部分断面図、第7図は第6−〇A−A線断面図であ
り、図において(51)は絶縁物より成り箱状に形成さ
れた取付台で、電磁接触器本体を取付盤などに取付ける
ための複数の取付穴(51a) 、 (51b) 2有
している。(52)は絶縁材で形成され几基台つまクベ
ースで、このベース(52)は取付台(51)と締付ね
じ(53)VCよって固定されている。また、補助ユニ
ット取付部(52b) ’r上部に持ち、追加補助接点
などの補助ユニットが取付けられるよう構成されている
。(54)はケイ素鋼板を積層し、端板(54b )と
−緒にリベット(54c)でカシメ固定された固定鉄心
で、その中央部には残留磁気防止用の空隙を有している
。固定鉄心(54)と取付台(51)の間には緩衝ゴム
(55)が両者により圧縮され之形で配置されている。[Detailed Description of the Invention] [Industrial Application Field] This invention relates to an improvement of an electromagnetic contactor, and particularly relates to an electromagnetic contactor that prevents a movable contact from being pulled out and falling during work such as connecting electric wires. [Prior Art] The fifth part is a front view of a conventional electromagnetic contactor, FIG. 6 is a partial cross-sectional plan view of FIG. 5, and FIG. In the figure, (51) is a box-shaped mounting base made of an insulating material, and has a plurality of mounting holes (51a) and (51b) 2 for mounting the electromagnetic contactor main body to a mounting board or the like. Reference numeral (52) denotes a clamp base made of an insulating material, and this base (52) is fixed by a mounting base (51) and a tightening screw (53) VC. Further, an auxiliary unit mounting part (52b) is provided at the upper part and is configured to mount an auxiliary unit such as an additional auxiliary contact. Reference numeral 54 denotes a fixed core made of laminated silicon steel plates and fixed together with end plates (54b) by rivets (54c), and has a gap in the center to prevent residual magnetism. A cushioning rubber (55) is arranged between the fixed core (54) and the mounting base (51) in such a manner that it is compressed by both.
固定鉄心(54)は接極面よフ下げた段差面(54d
)で後述の固定鉄心受(70)に当接し、この固定鉄心
受(70)と緩衝ゴム(55)で上下方向の位置決めが
される。又、(56)は操作コイルであり、■形をした
固定鉄心(54)がその中を貫通し両者の間には充分な
りリアランスが保たれている。また、操作コイル(56
)はその下面全取付台(51)で、上面全後述するコイ
ル端子受け(71)を介してベース(52)で支えられ
ている。(57〕はコイルリードで、操作コイル(56
)の巻#(56a)と接続部(57a)で接続している
。コイルリード+57)rJ弾性を有する導電性の金属
で構成されており、コイル端子(58)の接触g(58
b)と弾性的に接触し、電気的導通を保っている。コイ
ル端子(58)は導電性の金属で構成されており、コイ
ルリード(57)との接触部(58b) ’e持つでお
り、コイル端子受け(7つ)に挿入部(58a) k圧
入して固定されている。The fixed core (54) has a stepped surface (54d) lower than the armature surface.
) makes contact with a fixed core receiver (70) to be described later, and vertical positioning is performed by this fixed core receiver (70) and buffer rubber (55). Further, (56) is an operating coil, through which a square-shaped fixed iron core (54) passes, and a sufficient clearance is maintained between the two. In addition, the operation coil (56
) is a mounting base (51) on its lower surface, and its entire upper surface is supported by a base (52) via a coil terminal receiver (71), which will be described later. (57) is the coil lead, and the operating coil (56
) is connected to the volume # (56a) at the connection part (57a). Coil lead +57) rJ It is made of conductive metal with elasticity, and the contact g (58) of the coil terminal (58)
b) and maintains electrical continuity. The coil terminal (58) is made of conductive metal and has a contact part (58b) with the coil lead (57), and an insertion part (58a) is press-fitted into the coil terminal receiver (7 pieces). Fixed.
(59)は前記固定鉄心(54)と所定の間1億を有し
て配UさhたU形の可動鉄心で、操作コイル(56)K
駆動電圧が印加されると、固定鉄心(54)に吸着され
るよう構成されている。また、可動鉄心(59)は接極
面近くにクマトリコイル(59a) k有している、(
60)は絶縁材で形成されtクロスバ−で、このクロス
バ−(60)に可動鉄心(59)が、可動鉄心板ばね(
61)によりばね力で押し当てて連結されている。また
クロスバ−のリプ(60a)で可動鉄心(59)の抜は
防止を果たしている。又、(62)はクロスバ−(60
)と取付台(51〕との間に配設されたり[外しばねで
、クロスバー(60) ’!に図中上方に付勢するう(
63)は可rJjJ接点(64)を備え念主接点用可動
接触子で、クロスバ−(60)に設けられた保持穴(6
0b)に挿設され、ばね受け(65)f、て保持され7
+:接触子はね(66)によって加圧されている。(6
7)は可動接触子(64)と対向する固定接点(68)
”k有するフの字状をした主接点用固定接触子で、そ
の弾性によりベース(52〕に固定されると共に、電線
を接続する定めの端子ねじ(69)を有している。(7
7)は固定接点(78)を有するコの字状をした補助す
接点用固定接触子で、その弾性によりベース(52)に
固定されると共に、Tft線を接続するための端子ねじ
(69) e有している。なお、(80)は補助す接点
用可動接触子、(82)は補助a接点用固定接触子、(
84)は補助a接点用可動接触子である0(70)はベ
ース(52)に設けられた挿入穴(52a)に挿入し、
仮固定され、組立後はベース(52)の下面と固定鉄心
段差面(54d)の両者に当接する固定鉄心受である。(59) is a U-shaped movable core arranged with a predetermined distance between the fixed core (54) and the operating coil (56).
When a driving voltage is applied, it is configured to be attracted to the fixed iron core (54). In addition, the movable iron core (59) has a magnetic coil (59a) near the armature surface.
Reference numeral 60) is a T-crossbar made of an insulating material, and a movable iron core (59) is attached to this crossbar (60), and a movable iron plate spring (
61) and are pressed together by spring force. Further, the crossbar lip (60a) prevents the movable iron core (59) from being pulled out. Also, (62) is the crossbar (60
) and the mounting base (51), or the release spring urges the crossbar (60)'! upwards in the figure (
63) is a movable contact for the main contact, which is equipped with a movable rJjJ contact (64), and has a holding hole (60) provided in the crossbar (60).
0b) and held by the spring receiver (65)f.
+: The contactor is pressurized by the spring (66). (6
7) is a fixed contact (68) facing the movable contact (64)
This is a fixed contact for the main contact which has a fold-back shape and is fixed to the base (52) due to its elasticity, and has a terminal screw (69) for connecting the electric wire. (7
7) is a U-shaped auxiliary fixed contact having a fixed contact (78), which is fixed to the base (52) by its elasticity, and has a terminal screw (69) for connecting the Tft wire. e has. In addition, (80) is a movable contact for auxiliary A contact, (82) is a fixed contact for auxiliary A contact, (
84) is a movable contact for the auxiliary a contact; 0 (70) is inserted into the insertion hole (52a) provided in the base (52);
It is a fixed core receiver that is temporarily fixed and comes into contact with both the lower surface of the base (52) and the fixed core step surface (54d) after assembly.
(7’1)flコイル端子受けで、操作コイル(56)
の勘合部(56b)に挿入連結し、固定されるっコイル
端子受け(71)の上面は、ベース(52〕で位置決め
され、下方向は勘合部(56b) e介して操作コイル
(56)と取付台(51)で位置決めされているうまた
フィル定格を表示する表示部(71a) ’c有してい
るり(72)は絶縁材料よフなるアークカバーで、接点
間より発生するアーク全外部へ出さない様にすると共に
防じん効果と有している。(73) U追加補助接点部
の防じんカバー、(74)は図示しないレールへ取付台
(51)のツメm (51c) k 利用して取付ける
為のフック、(75)は7ツク(74) ’に押圧して
レールへ圧カケ加えるレール押はねであ6° 従
来
# IF と 〃)シー−4為i4θ←イブ; 仔
ひ n)鴇h l)ヒ W つ 1^ 1− 寸d
日日 iト λ −操作コイル(56)に駆動電圧が
印加されると、この操作コイル(56)が発生する磁束
により固定鉄心(54)と可動鉄心(59)との間に電
磁吸引力が生じ、可動鉄心(59)は引外しばね(62
)に抗して固定鉄心(54)に吸引される。これに伴い
、可動鉄心(59)に連結されたクロスバ−(60)が
固定鉄心(54)側に移動する。このときクロスバ−(
60)の保持穴(60a)に挿設された可動接触子(6
6)の可動接点(64)は固定接点(68)と当接して
主接点間を閉成する。i!た、同時に補助す接点用可動
接触子(80)及び補助a接点用可動接触子(84)も
駆動され、補助す接点は開成し、補助a接点は閉成する
◇
fl=コイル(56)に印加されていた駆動電圧を取除
くと、固定鉄心(54)と可動鉄心(59)との間の電
磁吸引力は消滅し、クロスバ−(60)は圧縮されてい
る引外しばね(62)の付勢力により図中上方に駆動さ
れる。このとき可動接点(64)と固定接点(68)の
間が開離し電路は開路される。(7'1) fl coil terminal holder, operating coil (56)
The upper surface of the coil terminal receiver (71) is inserted and connected to the fitting part (56b) of The display part (71a) 'c which displays the fill rating located on the mounting base (51) is an arc cover made of an insulating material, and the arc generated between the contacts is completely directed to the outside. It has a dust prevention effect as well as prevents it from coming out. (73) U The dust cover for the additional auxiliary contact part, (74) is attached to the rail (not shown) using the claws (51c) of the mounting base (51). The hook (75) is a rail pusher that applies pressure to the rail by pressing it to the 7th hook (74) '. h l)hi W tsu 1^ 1- d
When a driving voltage is applied to the operating coil (56), an electromagnetic attractive force is generated between the fixed iron core (54) and the movable iron core (59) due to the magnetic flux generated by this operating coil (56). The movable iron core (59) is activated by the tripping spring (62).
) against the fixed iron core (54). Accordingly, the crossbar (60) connected to the movable iron core (59) moves toward the fixed iron core (54). At this time, the crossbar (
The movable contactor (60) inserted into the holding hole (60a) of
The movable contact (64) of 6) contacts the fixed contact (68) to close the main contact. i! At the same time, the movable contact for the auxiliary contact (80) and the movable contact for the auxiliary a contact (84) are also driven, and the auxiliary contact opens and the auxiliary a contact closes ◇ fl = coil (56) When the applied driving voltage is removed, the electromagnetic attractive force between the fixed core (54) and the movable core (59) disappears, and the crossbar (60) releases the compressed trip spring (62). It is driven upward in the figure by the biasing force. At this time, the movable contact (64) and the fixed contact (68) are separated and the electric circuit is opened.
寸t、捕11hh梓占は開膚1−1捕萌3淳点汀羽膵貞
れる。At the end of the day, Azusa Zhan was caught 1-1 and caught 1-1 and 3-3 points.
なお、第8図に固定鉄心受けの実施例を示し、第9図に
各部品の位置関係を示す。(70a)はベース(52)
との接触面であり、(70b) FX、ベース(52)
の仮止め用の引掛は爪である0
〔発明が解決しようとする問題点〕
上記のような従来の電磁接触器では、主接点用固定接触
子(67)及び補助す接点用固定接触子(77)がベー
ス(52)に対して弾性でもってはめ込まれている。そ
して、端子ねじ(69)を締め付けた状態では、ベース
(52)に設けられたバリヤ(52c )にあけられた
貫通穴(52d )に、端子ねじ(69)が挿通してい
て、固定接触子(67) 、 (77)は抜けないよう
になっている。しかし、アンプ端子の取付けられた電線
を接続するため、端子ねじ(69) ’に外した時、上
述のように固定接触子(67)。Note that FIG. 8 shows an embodiment of the fixed core receiver, and FIG. 9 shows the positional relationship of each component. (70a) is the base (52)
(70b) FX, base (52)
[Problem to be solved by the invention] In the conventional electromagnetic contactor as described above, the fixed contact for the main contact (67) and the fixed contact for the auxiliary contact ( 77) is elastically fitted into the base (52). When the terminal screw (69) is tightened, the terminal screw (69) is inserted into the through hole (52d) formed in the barrier (52c) provided on the base (52), and the fixed contact (67) and (77) are designed not to be removed. However, when I removed the terminal screw (69) to connect the wire with the amplifier terminal attached, the fixed contact (67) was removed as described above.
(77)は弾性でもってはめ込まれているから、ドライ
バで一寸こじったジすると抜は落ちると言う問題点があ
った。(77) is fitted with elasticity, so there was a problem that if you pried it a little with a screwdriver, it would fall out.
この問題点は、この倶電磁接触器は通常垂直に配置され
た取付板に取付けられることにより下側に位置する固定
接触子で特に問題となる。This problem is particularly problematic with lower fixed contacts, where the magnetic contactor is typically mounted on a vertically oriented mounting plate.
また、一旦抜は落ちるとその固定接触子(67)。Also, once the drawer falls, its fixed contact (67).
(77) t−取付ける際完全に奥迄挿入されていない
と、端子ねじ<69) fr、押し込むとバリヤ(52
c )の肉の部分にねじ(69)が当ってバリヤ(52
c)’を割ってしまうと云う問題点があった。(77) t-If the terminal screw is not inserted all the way when installing, the barrier (52
c) The screw (69) hits the flesh part of the barrier (52).
There was a problem that c)' would be divided.
この発明はかかる問題点を解決するためになされたもの
で、固定接触子が抜は落ちないようにした電磁接触器を
得ることを百的とする。The present invention has been made to solve this problem, and its object is to provide an electromagnetic contactor in which the fixed contactor is prevented from being pulled out and falling.
この発明に係る電磁接触器は、アークカバーには固定接
触子の上にかぶさる部分に突起を設け、前記固定接触子
には前記突起が挿入される突起係合用穴を設けたもので
ある。In the electromagnetic contactor according to the present invention, the arc cover is provided with a protrusion in a portion that covers the fixed contact, and the fixed contact is provided with a protrusion engagement hole into which the protrusion is inserted.
〔作 用〕
この発明においては、固定接触子に設けられた突起保合
用穴にアークカバーの突起が挿入されているから、固定
接触子が抜は落ちることがない。[Function] In this invention, since the protrusion of the arc cover is inserted into the protrusion retaining hole provided in the fixed contact, the fixed contact does not fall out.
@1図はこの発明の一実施例におけるアークカバー全示
す斜視図、第2図はこの発明の一実施例における主接点
用固定接触子を示す斜視図、第6灰はこの発明の一実施
例における補助す接点用固定接触子を示す斜視図、第4
図はこの発明の一実施例の要g’i示し第7図に相当す
る断面図である。@ Figure 1 is a perspective view showing the entire arc cover in one embodiment of this invention, Figure 2 is a perspective view showing a fixed contact for the main contact in one embodiment of this invention, and No. 6 is an embodiment of this invention. A perspective view showing a fixed contact for an auxiliary contact in FIG.
The figure is a sectional view corresponding to FIG. 7 showing the main points of an embodiment of the present invention.
図において、第5図〜第9図と同一符号の部分は同一部
分2示し、(72a)は突起で、アークカバー(72)
が主接点用固定接触子(67)の上にかぶさる部分(7
2b)に設けられている。(72c)も(72a)と同
様の突起で、第5図〜第7図に示す従来の電磁接触器で
は、アークカバー(72)が主接点用固定及び可動接触
子側のみ囲っていたのを補助す接点用画定及び可動接触
子側まで囲うようにして、アークカバー(72)が補助
す接点用固定接触子(77)の上にかぶさる部分(72
d) K設けられている0
(67a)は主接点用固定接触子(67)のねじが穿設
された側の先端部に設けられた突起保合用穴で、アーク
カバー(72)の突起(72a)が挿入される穴である
。(77a)は補助す接点用固定接触子(77)のねじ
が穿設さtまた側の先端部に設けられた突起保合用穴で
、アークカバー(72)の突起(72d)カ挿入される
穴である。なお、(72e)はアークカバー(72)全
取付は之際、固定接触子相互間の隔壁を逃げるための空
間部である。In the figures, parts with the same symbols as in Figs. 5 to 9 indicate the same parts 2, and (72a) is a protrusion, and the arc cover (72)
is the part (7) that covers the main contact fixed contact (67).
2b). (72c) is also a protrusion similar to (72a), and in the conventional electromagnetic contactor shown in Figs. 5 to 7, the arc cover (72) surrounds only the main contact fixed and movable contact side. A portion (72) where the arc cover (72) covers the fixed contact (77) for the auxiliary contact so as to surround the auxiliary contact definition and the movable contact side.
d) K (67a) is a protrusion retaining hole provided at the tip of the screwed side of the main contact fixed contact (67), and the protrusion (67a) of the arc cover (72). 72a) is the hole into which it is inserted. (77a) is a protrusion retaining hole provided at the tip of the side where the screw of the fixed contact for the auxiliary contact (77) is drilled, into which the protrusion (72d) of the arc cover (72) is inserted. It's a hole. Note that (72e) is a space for escaping the partition wall between the fixed contacts when the arc cover (72) is fully installed.
以上の構成において、電磁接触器が組立てられた状態で
は第4図に示すように、アークカバー(72)の突起(
72a) 、 (72c)と固定接触子(67)。In the above configuration, when the electromagnetic contactor is assembled, as shown in FIG.
72a), (72c) and a fixed contact (67).
(77)の突起保合用穴(67a) 、 (77a)と
が係合しているので、固定接触子(67) 、 (77
)が抜は落ちることがない。Since the projection retaining holes (67a) and (77a) of (77) are engaged, the fixed contacts (67) and (77) are engaged with each other.
) will never fall.
この発明は以上説明したとおり、固定接触子に設けられ
た突起用保合穴にアークカバーの突起が挿入されている
から、固定接触子が按は落ちることがない。As explained above, in this invention, since the protrusion of the arc cover is inserted into the protrusion retaining hole provided in the fixed contact, the fixed contact does not fall off.
第1図はこの発明の一実施例におけるアークカバー全示
す斜視図、第2図はこの発明の一実施例における主接点
用固定接触子を示す斜視図、第3因はこの発明の一実1
例における補助す接点用固定接触子を示す斜視図、第4
図はこの発明の一英施例の要部2示し第7図に相当する
断面因、第5図は従来の電磁接触器の正面図、第6図は
第5図の平面部分断面図、第7図は第6図のA−A線断
面図、第8図は固定鉄心受けを示す斜視図、第9(2)
は各部品の位置関係を示す斜視図である。
図において、(63)は主接点用可動接触子、(64)
は可動接点、(67)は主接点用固定接触子、(68)
は固定接点、(67a) 、 (77a)は突起保合用
穴、(72)はアークカバー、(72a) 、 (72
c)は突起、(77)は補助す接点用固定接触子、(8
0)は補助す接点用可動接触子である。
なお、因中同−符号は同−又は相当部分を示す。Fig. 1 is a perspective view showing the entire arc cover in an embodiment of the present invention, Fig. 2 is a perspective view showing a fixed contact for the main contact in an embodiment of the invention, and the third factor is one of the embodiments of the invention.
A perspective view showing a fixed contact for an auxiliary contact in an example, No. 4
The figure shows a main part 2 of an embodiment of the present invention, a cross-sectional view corresponding to FIG. 7, FIG. 5 is a front view of a conventional electromagnetic contactor, and FIG. Figure 7 is a sectional view taken along line A-A in Figure 6, Figure 8 is a perspective view showing the fixed core receiver, and Figure 9 (2).
is a perspective view showing the positional relationship of each component. In the figure, (63) is a movable contact for the main contact, (64)
is a movable contact, (67) is a fixed contact for the main contact, (68)
are fixed contacts, (67a) and (77a) are protrusion retaining holes, (72) are arc covers, (72a) and (72
c) is the protrusion, (77) is the fixed contact for the auxiliary contact, (8
0) is a movable contact for an auxiliary contact. Note that the same symbols in the table indicate the same or equivalent parts.
Claims (1)
設けられた固定接点と前記可動接触子に設けられた可動
接点とを開閉するものであって、前記固定接触子はコ字
状に形成されかつ基台に弾性ではめこまれており、さら
に前記固定及び可動接点間より発生するアークを外部へ
出さないようにすると共に防じんの目的で前記固定接点
と可動接点をおおうように設けられたアークカバーを有
した電磁接触器において、前記アークカバーには前記固
定接触子の上にかぶさる部分に突起を設け、前記固定接
触子には前記突起が挿入される突起係合用穴を設けたこ
とを特徴とする電磁接触器。A movable contact is driven by an electromagnetic device to open and close a fixed contact provided on a fixed contact and a movable contact provided on the movable contact, the fixed contact being formed in a U-shape. an arc that is elastically fitted into the base, and further provided to cover the fixed contact and the movable contact for the purpose of preventing the arc generated between the fixed and movable contacts from escaping to the outside and for the purpose of dust prevention; An electromagnetic contactor having a cover, characterized in that the arc cover is provided with a protrusion in a portion that covers the fixed contact, and the fixed contact is provided with a protrusion engagement hole into which the protrusion is inserted. Electromagnetic contactor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6712986A JPS62226522A (en) | 1986-03-27 | 1986-03-27 | Electromagnetic contactor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6712986A JPS62226522A (en) | 1986-03-27 | 1986-03-27 | Electromagnetic contactor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62226522A true JPS62226522A (en) | 1987-10-05 |
Family
ID=13335979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6712986A Pending JPS62226522A (en) | 1986-03-27 | 1986-03-27 | Electromagnetic contactor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62226522A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023135992A1 (en) * | 2022-01-12 | 2023-07-20 | 富士電機機器制御株式会社 | Electromagnetic contactor |
-
1986
- 1986-03-27 JP JP6712986A patent/JPS62226522A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023135992A1 (en) * | 2022-01-12 | 2023-07-20 | 富士電機機器制御株式会社 | Electromagnetic contactor |
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