JP2010045044A - Electric-mechanical contactor - Google Patents

Electric-mechanical contactor Download PDF

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Publication number
JP2010045044A
JP2010045044A JP2009239727A JP2009239727A JP2010045044A JP 2010045044 A JP2010045044 A JP 2010045044A JP 2009239727 A JP2009239727 A JP 2009239727A JP 2009239727 A JP2009239727 A JP 2009239727A JP 2010045044 A JP2010045044 A JP 2010045044A
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Prior art keywords
contact
contactor
power terminal
power
terminal block
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JP2009239727A
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Japanese (ja)
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JP4808805B2 (en
Inventor
Patrick Comtois
パトリック、コムトワ
Patrick Larcher
パトリック、ラルシェ
Alain Moreux
アラン、モロー
Regis Perrocheau
レジ、ペロショー
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Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/14—Terminal arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/041—Details concerning assembly of relays
    • H01H50/045—Details particular to contactors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • H01H11/0031—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for allowing different types or orientation of connections to contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/541—Auxiliary contact devices
    • H01H50/545—Self-contained, easily replaceable microswitches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/546—Contact arrangements for contactors having bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/0264—Protective covers for terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/342—Venting arrangements for arc chutes

Abstract

<P>PROBLEM TO BE SOLVED: To provide a contactor for fitting a power connecting terminal of various types at a simple way and low cost. <P>SOLUTION: In the body, there is provided an arc-extinguishing case 40 made of a suitable insulating material and housing a part of an E-shaped movable armature 23 of an electromagnet 20 and a contact table 17. The contact table 17 houses contact bridges 16 each having two movable contacts 15. Stationary contacts 14 are provided for each of the movable contacts 15, and are connected with power terminals A by conductors 13. The contact table 17 includes a rear part 17a provided with the contact bridge 16 and a front part 17b provided with a movable operation contact 18 working together with a stationary operation contact 19. The power terminal A is arranged in a housing 53 of a power terminal table 50. While a shape of the power terminal table 50 is affected by a kind of a terminal, that of the arc-extinguishing case 40 inside the body is not affected by the kind of the power terminal. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

発明の詳細な説明Detailed Description of the Invention

本発明は、支持体に対する固定要素を有し、またコイルを有する電磁石とそのコイルの引力に応じて移動する可動式接点台を収容する本体を有する電気機械式接触器に関し、該接触器が接点台が保持する可動式接点から分離可能な固定接点に接続された電力端子と、コイルに接続された制御端子を含む。   The present invention relates to an electromechanical contactor having a fixing element for a support and having a main body that houses an electromagnet having a coil and a movable contact base that moves in accordance with the attractive force of the coil. It includes a power terminal connected to a fixed contact separable from a movable contact held by the base, and a control terminal connected to the coil.

近年、例えば、ねじ式端子、弾性ケージ端子、絶縁移動端子、等の多様な種類の電力端子の使用を要求する傾向がある。したがって接触器は本体にさまざまな端子を付加できるようにする必要がある。接触器は最も簡易かつ低コストで、外部電線と端子を容易に接続できるようにこの要求に応じることが望ましい。   In recent years, there has been a tendency to require the use of various types of power terminals such as screw terminals, elastic cage terminals, insulated moving terminals, and the like. Therefore, the contactor needs to be able to add various terminals to the main body. It is desirable that the contactor meet this requirement so that the external wire and the terminal can be easily connected with the simplest and lowest cost.

本発明は、簡便かつ低コストでさまざまな型式の電力接続端子を取付けることが可能な接触器を構成することを目的とする。   An object of this invention is to comprise the contactor which can attach various types of electric power connection terminals simply and at low cost.

本発明はまた、その操作配線と制御配線を容易化できる接触器を構成することを目的とする。   It is another object of the present invention to configure a contactor that can facilitate the operation wiring and the control wiring.

発明によれば、接点台は非可変性、すなわち電力端子の形式には依存しない、ケース中に設けられる。電力端子は本体の一部を構成する電力端子台のハウジングに配置され、そのハウジングの寸法は想定する端子の種類に依存する。一方、電力端子台は端子の種類に左右される端子間隔壁を有するが、その止めは、電力端子の種類には左右されない、ガイド溝や止め具などのケースの対応する形状と合わせて構成する。   According to the invention, the contact block is provided in a case which is non-variable, i.e. independent of the type of power terminal. The power terminal is arranged in a housing of a power terminal block that constitutes a part of the main body, and the size of the housing depends on the type of terminal assumed. On the other hand, the power terminal block has a terminal interval wall that depends on the type of the terminal, but the stopper is configured in accordance with the corresponding shape of the case such as a guide groove and a stopper that is not affected by the type of the power terminal. .

接触器は、非可変性消弧ケースと電力端子の種類によって可変的である電力端子台とを組立てることによって形成することができる。   The contactor can be formed by assembling a non-variable arc extinguishing case and a power terminal block that is variable depending on the type of power terminal.

好ましくは、接触器の本体は、その後部にコイルと電磁石の固定アーマチュアを収容する固定台を有し、前部に電力端子台を有する。これは固定台の上に組立てられ、非可変性ケースは本体内に設ける特殊な消弧ケースであり、とくに電力端子台にはめ込まれる。   Preferably, the main body of the contactor has a fixed base that accommodates a fixed armature of a coil and an electromagnet at a rear part thereof, and a power terminal block at a front part thereof. This is assembled on the fixed base, and the non-variable case is a special arc extinguishing case provided in the main body, and is particularly fitted in the power terminal block.

接点台は電力接点の前部に設けた操作接点を含んでも良く、この場合には、操作端子台は操作接点と作動するように電力端子台上に組込まれる。   The contact block may include an operation contact provided in front of the power contact. In this case, the operation terminal block is assembled on the power terminal block so as to operate with the operation contact.

下記、付属の図面を参照して、本発明の好ましい、かつ、非限定的な一実施態様についての記述を行う。   A preferred and non-limiting embodiment of the present invention will now be described with reference to the accompanying drawings.

ここに示した多極電気機械式接触器は本体、すなわちその前部10aおよび後部10bを持つ外殻体10を有する。前部10aは電力端子A、制御端子Bおよび操作端子Cを収める。後部10bには支持体との固定に用いる通常要素11が付いており、また電磁石20を収める。本体10は双投電流路12を含む。この電流路12は、固定式電力接点14を持つ固定導体部品13および接点ブリッジ16上に設けた可動式電力接点15を有する。可動式接点ブリッジ16は、電磁石20のコイル21からの引力に応じて移動する接点台内に設けてある。   The multipolar electromechanical contactor shown here has a body, ie an outer shell 10 with its front part 10a and rear part 10b. The front portion 10a accommodates the power terminal A, the control terminal B, and the operation terminal C. The rear portion 10b is provided with a normal element 11 used for fixing to the support body, and accommodates the electromagnet 20. The main body 10 includes a double throw current path 12. The current path 12 has a fixed conductor part 13 having a fixed power contact 14 and a movable power contact 15 provided on a contact bridge 16. The movable contact bridge 16 is provided in a contact base that moves in accordance with the attractive force of the electromagnet 20 from the coil 21.

本体10の前部10aには、電流路13に電圧を掛けるために、電源及び電荷に接続された電線を挿入するように主配線平面PAに電力端子Aが設備され、前部10aにはさらに、制御回路に接続された電線を挿入するために、平面PA前部に位置する制御配線平面PBを形成する制御端子Bが収めてあり、この端子は接触器の内部で電磁石20のコイル21に接続される。又、前部10aには、平面PA前部に位置する、例えば平面PBと一体化している配線平面PCを形成する操作端子Cが設けてあり、この端子は電線もしくはバスによって操作回路、通信回路、又は同様なものに接続されている。   The front part 10a of the main body 10 is equipped with a power terminal A on the main wiring plane PA so as to insert a wire connected to a power source and a charge in order to apply a voltage to the current path 13, and the front part 10a further includes In order to insert the electric wire connected to the control circuit, the control terminal B forming the control wiring plane PB located in the front part of the plane PA is housed, and this terminal is connected to the coil 21 of the electromagnet 20 inside the contactor. Connected. Further, the front portion 10a is provided with an operation terminal C that forms a wiring plane PC that is integrated with the plane PB, for example, located at the front portion of the plane PA. , Or the like.

さらに詳細には、接触器の本体もしくはケース10は一般的には平行六面体の台座の形状を有する絶縁材料から成る固定台30を含み、この固定台は上述の後部10bの基本部分を構成しており、したがって固定要素11が付いており、また電磁石20のコイル21及びEの中心部が鉛直に配置したＥ字形固定アーマチュア22を収めてある。   More specifically, the body or case 10 of the contactor generally includes a fixed base 30 made of an insulating material having a parallelepipedal pedestal shape, which forms the basic part of the rear part 10b described above. Thus, it has a fixing element 11 and a coil 21 of the electromagnet 20 and an E-shaped fixing armature 22 in which the central part of E is arranged vertically.

本体10の中には、適切な絶縁材で作られ、電磁石20のE字形可動式アーマチュア23の一部および接点台17とを収めた消弧ケース40が設けてある。接点台17（図4、5および7を参照）は各電極に対応する二つの可動式接点15をそれぞれ有する接点ブリッジ16を収める。可動式接点に対してそれぞれ固定式接点14が設けてあり、導体部品13によって電力端子Aにつながっている。部品13はこのために穴をあけた固定式座金13aを備えている。接点台17は、接点ブリッジ16を設けた後部17aと、後述するように固定式操作接点19と合わせて作動する可動式操作接点18を設けた前部17bとを含む。接点台17は、接触器の前部に留める付属部品に適した接点作動を考えてはめ込み形状17cを呈している。   In the main body 10, an arc extinguishing case 40 made of a suitable insulating material and containing a part of the E-shaped movable armature 23 of the electromagnet 20 and the contact base 17 is provided. A contact platform 17 (see FIGS. 4, 5 and 7) houses a contact bridge 16 each having two movable contacts 15 corresponding to each electrode. A fixed contact 14 is provided for each movable contact, and is connected to a power terminal A by a conductor component 13. The component 13 has a fixed washer 13a with a hole for this purpose. The contact base 17 includes a rear portion 17a provided with a contact bridge 16, and a front portion 17b provided with a movable operation contact 18 that operates in combination with a fixed operation contact 19 as will be described later. The contact base 17 has a fitting shape 17c in consideration of contact operation suitable for an accessory attached to the front part of the contactor.

コイル21は、巻線25を保持し制御端子Bにつなぐための２つのコイル端子26を備えた絶縁枠24を有する。上述の連結は、接触器の正面に対して実質的に垂直方向に配置された各導体バー27によって行い、このバーは消弧ケース40の外面に設置している横断溝28の中に設ける。   The coil 21 has an insulating frame 24 having two coil terminals 26 for holding the winding 25 and connecting it to the control terminal B. The above-described connection is made by each conductor bar 27 arranged substantially perpendicular to the front surface of the contactor, and this bar is provided in a transverse groove 28 provided on the outer surface of the arc extinguishing case 40.

消弧ケース40は段状の形態をなしている。すなわち、電力端子台50に覆われている、電力接点−電力端子間の連結のために配線平面PAを形成する段と、操作／制御接点−操作／制御端子間の連結のための、操作／制御端子台60で覆われたPB、PC配線平面を形成する段から成る。消弧ケース40は、接触器の中央面QまたはQに平行する面でもあり得る水平面に応じて、２つの半ケース40a、40bを組立てることによって構成される。各半ケース40a、40bは各極の電力接点間に適切な絶縁を与えるために内部隔壁41を含むが、電力端子間の外部絶縁隔壁はない。各半ケースはガイドおよび溝42を備えており、電力端子台50内に設備されている端子間絶縁隔壁51を位置付けすることができる。消弧ケース40の前部には形状要素44が設備されており、前面付属品を接触器に留めることができるようにする。   The arc extinguishing case 40 has a stepped shape. That is, the step of forming the wiring plane PA for the connection between the power contact and the power terminal, which is covered by the power terminal block 50, and the operation / control for the connection between the operation / control contact and the operation / control terminal. It consists of stages forming PB and PC wiring planes covered with the control terminal block 60. The arc-extinguishing case 40 is constructed by assembling the two half cases 40a, 40b according to a horizontal plane which can also be a central plane Q of the contactor or a plane parallel to the Q. Each half case 40a, 40b includes an internal partition 41 to provide adequate insulation between the power contacts of each pole, but there is no external isolation partition between the power terminals. Each half case is provided with a guide and a groove 42, and an inter-terminal insulating partition 51 provided in the power terminal block 50 can be positioned. The front part of the arc extinguishing case 40 is provided with a shape element 44 so that the front accessory can be fastened to the contactor.

図3、また図6、7で示すように各隔壁51は、隣接する固定座金13の背後に設けた、対応する溝42aを貫通している後部51aを有する。隔壁51はまた、電力端子Aの作動部品（Uボルト、弾性ケージ等）に設けた、対応する溝42aを貫通している引込部51bも有している。接触器の中央面Qの付近に設けた隔壁部分は、水平溝42cと共に作動する２個のすべり座51cを含んでいる（図9、10も参照）。ここで溝42a、42b、42cが隔壁51の要素と共に、電力の導体部品間の絶縁距離を拡大する障壁を形成することが分かる。電力端子台は、接触器の中央面Qに平行で端子の基盤面の役割を果たしている面Q'の間仕切52を有する。   As shown in FIG. 3 and FIGS. 6 and 7, each partition wall 51 has a rear portion 51 a penetrating a corresponding groove 42 a provided behind the adjacent fixed washer 13. The partition wall 51 also has a lead-in portion 51b that is provided in an operating part (U bolt, elastic cage, etc.) of the power terminal A and penetrates the corresponding groove 42a. The partition portion provided in the vicinity of the center plane Q of the contactor includes two slide seats 51c that operate together with the horizontal groove 42c (see also FIGS. 9 and 10). Here, it can be seen that the grooves 42a, 42b, 42c together with the elements of the partition wall 51 form a barrier that increases the insulation distance between the power conductor components. The power terminal block has a partition 52 that is parallel to the central surface Q of the contactor and serves as a base surface of the terminal Q ′.

電力端子台50が、消弧ケースを変更することなく、異なった形式のコネクタに適合することは注目に値する。図9及び10それぞれにおいて、例えば弾性端子台A1を有する端子台50-1、またはねじ式端子A2を有する端子台50-2を消弧ケースに付加することを示している。図3、9および10で示すように、消弧ケースは同一であるのに間仕切52と端子台の平面Q’の隣接する外部間仕切54との間で作動部品もしくは可動部分に当てられた空間53は、高さ（Y方向）および奥行き（X方向）に可変容積を有している。端子台は、手動で工具を使って端子を扱える前面開口部55およびPA配線平面に設けられ、電力線の挿入に用いる上部又は下部の開口部56を有する。開口部55、56は空間53に通じている。端子台の間仕切52とガス抜き穴の付いた、消弧ケースの平行間仕切53の間に減圧空間57が作られている。端子台50は、消弧ケースの前部40を貫通する窓58を前部に有する。   It is noteworthy that the power terminal block 50 fits different types of connectors without changing the arc-extinguishing case. In each of FIGS. 9 and 10, for example, the terminal block 50-1 having the elastic terminal block A1 or the terminal block 50-2 having the screw type terminal A2 is added to the arc extinguishing case. As shown in FIGS. 3, 9 and 10, the arc-extinguishing case is the same, but the space 53 applied to the operating part or movable part between the partition 52 and the adjacent external partition 54 on the plane Q ′ of the terminal block. Has a variable volume in height (Y direction) and depth (X direction). The terminal block has a front opening 55 that can be handled manually using a tool and a PA wiring plane, and has an upper or lower opening 56 that is used to insert a power line. The openings 55 and 56 communicate with the space 53. A decompression space 57 is formed between the terminal block partition 52 and the parallel partition 53 of the arc extinguishing case with a vent hole. The terminal block 50 has a window 58 passing through the front part 40 of the arc extinguishing case at the front part.

制御／操作端子台60は接触器本体の前部に組込まれ、この端子台は手動で工具を使って端子を扱える前面開口部61および、PB、PC配線平面に設けた制御及び操作線の挿入に用いる、上部又は下部開口部62を有する。端子台60は、電力端子台50の窓58にはめこむことを可能とする形を有しており、また消弧ケース40の前部を通すための前面開口部63が付いている。   The control / operation terminal block 60 is incorporated in the front part of the contactor body, and this terminal block has a front opening 61 that can be used to handle the terminals manually using tools, and the insertion of control and operation lines provided on the PB and PC wiring planes. The upper or lower opening 62 is used. The terminal block 60 has a shape that allows the terminal block 60 to be fitted into the window 58 of the power terminal block 50, and has a front opening 63 through which the front portion of the arc extinguishing case 40 passes.

接触器本体は電力端子台と固定台を組立てることによって成っており、この２つの要素が接触器外部パリソンを形成し消弧ケースを完全に覆っていることは注目に値する。電力端子台50はあらゆる通常の手段によって固定台30に固定され、制御／操作端子台60はあらゆる通常の手段によって端子台50および／または消弧ケース40に固定される。   It is noteworthy that the contactor body consists of assembling a power terminal block and a fixed base, and these two elements form a contactor external parison and completely cover the arc extinguishing case. The power terminal block 50 is fixed to the fixed base 30 by any conventional means, and the control / operation terminal block 60 is fixed to the terminal block 50 and / or the arc extinguishing case 40 by any conventional means.

本発明による接触器の側面概略図。1 is a schematic side view of a contactor according to the present invention. FIG. 接触器の分解組立図。The exploded view of a contactor. 消弧ケースと電力端子台の拡大側面概略図。The enlarged side schematic diagram of an arc-extinguishing case and a power terminal block. 接触器本体の側面断面図。Side surface sectional drawing of a contactor main body. 接触器内部の要素の右斜視図。The right perspective view of the element inside a contactor. 消弧ケースの左斜視図。The left perspective view of an arc-extinguishing case. 可動式及び固定式接点を省略した、消弧ケース、接点台、電力端子台および操作・制御端子台の分解組立斜視図。The disassembled perspective view of an arc extinguishing case, a contact block, a power terminal block, and an operation / control terminal block, omitting movable and fixed contacts. 固定台と電力端子台および操作・制御端子台の右斜視図。The right perspective view of a fixed stand, a power terminal block, and an operation and control terminal block. 電力端子台の２つの形態の一方を示す正面図。The front view which shows one of the two forms of a power terminal block. 電力端子台の２つの形態の他方を示す正面図。The front view which shows the other of the two forms of a power terminal block.

Claims (6)

電気機械式接触器であって、支持体への固定要素を設備され、コイルを有する電磁石(20)および該コイルの引力に応じて移動する可動式接点台(17)を備えた本体(10)を有し、該接触器は、接点台が保持する可動式接点から分離可能な固定電力接点に接続された電力端子(A)と、該コイルに接続された制御端子(B)から成る接触器において、
−接点台(17)が電力端子(A)の種類に依存しないケース(40)の内部に設けてあること、
−電力端子(A)は接触器の本体(10)の一部を構成する電力端子台(50)のハウジング(53)内に配置され、そのハウジングの寸法は電力端子の種類に依存すること、
−電力端子台(50)は、止めとして、電力端子の種類に依存しないケース(40)の対応する形状(42)と組む端子(A)の種類に依存する端子間隔壁(51)を有すること
を特徴とする電気機械式接触器。 Electromechanical contactor, which is provided with a fixing element to the support, and includes an electromagnet (20) having a coil and a movable contact base (17) that moves according to the attractive force of the coil (10) The contactor comprises a power terminal (A) connected to a fixed power contact separable from a movable contact held by a contact stand, and a control terminal (B) connected to the coil In
-The contact block (17) is provided inside the case (40) independent of the type of power terminal (A),
The power terminal (A) is arranged in the housing (53) of the power terminal block (50) forming part of the body (10) of the contactor, the dimensions of the housing being dependent on the type of power terminal;
-The power terminal block (50) has, as a stop, a terminal spacing wall (51) depending on the type of terminal (A) to be assembled with the corresponding shape (42) of the case (40) independent of the type of power terminal. Electromechanical contactor characterized by. 電力端子台(50)の隔壁(51)と組むケース(40)の形状(42)がガイドと止め溝であることを特徴とする請求項１に記載の接触器。   The contactor according to claim 1, wherein the shape (42) of the case (40) assembled with the partition wall (51) of the power terminal block (50) is a guide and a stop groove. 接触器の本体(10)がその後部に電磁石(20)のコイル(21)と固定アーマチュア(22)を収容する固定台(30)を有し、前部に電力端子台(50)を有し、これは固定台の上に組立てられ、ケース(40)は本体(10)内に設ける特殊な消弧ケースであることを特徴とする請求項１に記載の接触器。   The main body (10) of the contactor has a fixed base (30) for accommodating the coil (21) of the electromagnet (20) and the fixed armature (22) at the rear part, and a power terminal block (50) at the front part. The contactor according to claim 1, characterized in that it is assembled on a fixed base and the case (40) is a special arc extinguishing case provided in the body (10). ケース(40)は電力端子台(50)内にはめ込まれ、接触器本体が電磁石(20)のコイル(21)と固定アーマチュア(22)を収容する固定台(30)に電力端子台を組立てることによって構成されることを特徴とする請求項１に記載の接触器。   The case (40) is fitted in the power terminal block (50), and the power terminal block is assembled to the fixed base (30) in which the contactor body houses the coil (21) of the electromagnet (20) and the fixed armature (22). The contactor according to claim 1, comprising: 接点台(17)が電力接点の前部に設けてある操作接点を含み、操作端子台(60)が操作接点と作動するように電力端子台(50)上に組込まれていることを特徴とする請求項１に記載の接触器。   The contact block (17) includes an operation contact provided in front of the power contact, and the operation terminal block (60) is incorporated on the power terminal block (50) so as to operate with the operation contact. The contactor according to claim 1. ケース(40)が互いに組立てた半ケース(40a、40b)から成り、組み立てたときには、操作接点と電力接点を区切られるために接触器前面に平行した区切り平面を成すことを特徴とする請求項５に記載の接触器。   The case (40) is composed of half cases (40a, 40b) assembled to each other, and when assembled, it forms a partition plane parallel to the front surface of the contactor in order to separate the operation contact and the power contact. Contactor as described in.
JP2009239727A 1998-12-04 2009-10-16 Electromechanical contactor Expired - Lifetime JP4808805B2 (en)

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WO2000034970A1 (en) 2000-06-15

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