CN1023673C - Auxiliary control and indicating switch for standard multi-circuit breaker - Google Patents

Auxiliary control and indicating switch for standard multi-circuit breaker Download PDF

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Publication number
CN1023673C
CN1023673C CN 89100530 CN89100530A CN1023673C CN 1023673 C CN1023673 C CN 1023673C CN 89100530 CN89100530 CN 89100530 CN 89100530 A CN89100530 A CN 89100530A CN 1023673 C CN1023673 C CN 1023673C
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CN
China
Prior art keywords
switch
breaker
handle
indicator cock
contact
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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.)
Expired - Fee Related
Application number
CN 89100530
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Chinese (zh)
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CN1036660A (en
Inventor
迪罗伯蒂斯·帕特丽克
比琳·伊维斯
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Schneider Electric SE
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Merlin Gerin SA
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Publication date
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Publication of CN1036660A publication Critical patent/CN1036660A/en
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Publication of CN1023673C publication Critical patent/CN1023673C/en
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
    • H01H71/462—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts housed in a separate casing, juxtaposed to and having the same general contour as the main casing

Abstract

An auxiliary control and indicating unit (14) is placed next to and coupled up to a circuit-breaker unit, and encloses a first auxiliary interrupter (24) which reflects the open or closed position of the contacts of the circuit-breaker unit, and a second interrupter (26) for indicating opening on a fault. A mechanism (22) with handle (20) comprises a platen (62) with energy-storing spring (90), and a supporting lever (94) for the contact arm (48) associated with the second interrupter (26).

Description

Auxiliary control and indicating switch for standard multi-circuit breaker
The present invention relates to the assist control and the indicator cock of a kind of modular unit or unit form, this switch is contained in the insulated case, casing can connect and be coupled on the circuit breaker with a plurality of electrode contacts so that form a standardization automatic circuit breaker, and the assembly of described switch is made up of following part:
-disconnect or one first auxiliary switch that a cover transfer contact of make position is formed by being designed to reflect that the breaker unit contact is in,
-have one to overlap transfer contact also can indicate the off-state of being broken automatically by circuit breaker when being out of order one second indicator cock,
-having the mechanical device that can unite the handle that promotes first and second switches, it is by first a mechanical connection sheet that links to each other with different contacts handle coupling bar, and one second machinery disconnection brace, with the co-operating of circuit breaker work mechanism device,
-first cover that is arranged on the casing on the narrow limit face connects end points, the corresponding contact electric connection of this cover end points and first auxiliary switch,
-being arranged in the cover of second on corresponding that narrow limit face connection end points on the casing, this cover end points electrically connects with the corresponding contact of second indicator cock,
-one flat board that is installed in the rotating shaft, this plate couples together by the handle mechanicalness of a pin and switch motion device,
-one disconnection lever of being handled by the second mechanical connection sheet so that when occurring disconnecting action from breaker unit, is therefrom derived one and will be disconnected lever and move to swaying of an open position, and pin is fractureed.
On same breaker assembly, arrange auxiliary switch and control switch to form a biswitch, so that the closure of indicating contacts or off-state, and when breaking down or do not have fault the actual conditions of circuit breaker, this has been technique known in the art.The common mechanical manipulator of these two switches is complicated, at this moment because when circuit breaker is disconnected, usually need to disconnect the mechanical connection with indicator cock, this class mechanical device is at file EP-A-147, and 605, DE-A-3,119, described in 165 and DE-A-3,320,958, in a standardization automatic circuit breaker, increase its electric auxiliaring device and will cause a problem of between the auxiliary equipment of breaker unit and various interpolations, transmitting the disconnection order.
The objective of the invention is to improve the movement device of two auxiliary switches, so that a plurality of servicing units can be added on the circuit breaker.
According to the present invention, this switch is characterised in that first auxiliary switch comprises a contact point arm, this arm is directly put aside the dull and stereotyped co-operating that spring joins with one and an energy, and the contact point arm of second indicator cock is installed in the dull and stereotyped rotating shaft by one, the insulation support lever that only can do limited rotation supports, described support lever has a jut, can be contained in the action lever co-operating on the arbor, so that do not having fault and during in moving cut-off breaker, prevent that any moving from appearring in this support lever, make second switch be in a dead status, and when pin fractures after the circuit breaker automatic disconnection, support lever is swayed and second switch is placed initiatively faulty indication state.
Action lever has a circular guide portion, when stopping in the rotation process of support lever at manual cut-off breaker, this circle guide portion along jut along with handle moves.
When the circuit breaker that breaks down disconnects, can also can show from the pointer that chest is seen previously to come by being arranged on the support bar one, the faulty indication pointer comprises a support lever manual reseting device, and it can make the contact point arm that belongs to second indicator cock go to dead status from operating state.
From following description to embodiment of the present invention, these advantages and character will be more clear, and this implementation method only is an infinite example, and show in the accompanying drawings, wherein
-Fig. 1 provides one and has by the assist control of the present invention's equipment and the standard three-phase breaker block diagram of indicating member;
-Fig. 2 is the auxiliary unit upward view among Fig. 1, is in closure state for circuit breaker among the figure;
-Fig. 3 and 4 is respectively along the cutaway view of III-III line and IV-IV line direction among Fig. 2;
-Fig. 5 is a partial sectional view along V among Fig. 2-V line direction;
-Fig. 6 represents when breaking down and circuit breaker when disconnecting the situation of the auxiliary unit among Fig. 2;
-Fig. 7 represents when moving handle and disconnect with manual mode, the situation of the auxiliary unit among Fig. 2;
-Fig. 8 provide one with another similar embodiment of Fig. 1 situation;
-Fig. 9 represents another embodiment similar to situation among Fig. 1.
In Fig. 1, automatic multi-path circuit breaker 10 is by with an assist control and indicating member 14, and assembly type is assembled on the break contact 12 with a plurality of arrangements arranged side by side.
Each utmost point of circuit breaker 10 all is made up of the contact that is used to cut off the pair of separated of circuit between two splicing ears 13 and 15, and one with axially turn to manual operating handle 16, and be used for monitoring stream and cross the switching device that an auto-cutout apparatus of this electrode current value links to each other, the switching device of this class breaker electrode as an example by the French Patent (FRP) 2nd of the inventor on June 9th, 1987 application, did in 616, No. 58 to describe.The handle 16 of different electrodes 12 mechanically limits its position separately mutually by a little connection rod 18, spillikin 18 is to stretch along some insulated case closures edge of placing electrode 12 usefulness with an inter-access piece form, this pitman 18 makes a plurality of handles 16 of different electrodes 12 can move simultaneously between the steady closure of circuit breaker 10 and open position, auxiliary unit 14 is contained in the insulation casing 19 (seeing Fig. 2 to 5), an actuating mechanism 22 that has the handle 20 that can rotate and combine with an auxiliary switch 24 and indicator cock 26 in rotating shaft 21 has been installed at an interior switch in the case.Handle 20 is by among one first two-way mechanical connection sheet 28(Fig. 1) join with the wedge that is connected of electrode 12, make the handle 16 of breaker unit 11 do when its rotation, rotation to be delivered on the mechanical device 22 of auxiliary unit 14.This brace for example can reach by prolonging pitman 18.
First auxiliary switch 24 comprises a cover transfer contact, and they have the movable contact arm 30 of the hair fastener shape of a bending, and an end 32 of contact point arm is limited by the protrusion on the casing 19 34 and electric property is connected on the link 36.Another free end of contact point arm 30 has been fixed a double-contact 38, it can alternately engage with two fixing respectively contacts 40 and 42,40 electric property ground, contact join with two other link 44 and 46, the state of auxiliary switch 24 has reflected the disconnection or the make position of the contact of breaker unit 11, and auxiliary unit 14 is received on the circuit breaker 11 by the first mechanical connection sheet 28.Cause the control that occurs and deixis to be thus since three end points 36,46 and 44 of first cover be mutually insulated and a narrow limit face that be installed at casing 19 on, the hair fastener elasticity of contact point arm 30 has applied contact pressure on two fixed contacts 40 and 42.
Second indicator cock 26 also comprises one group of transfer contact, this switch has the movable contact arm 48 of a crooked hair fastener shape, the one two-sided contact 50 that can engage with two fixed contacts 52 and 54 is arranged on it, these contacts link to each other with 60 electric property with the second cover end points 56,58 respectively and are arranged on another narrow limit face of casing 19, on end points 36,46 and 44 these corresponding positions of group end points.The state of the second switch 26 of auxiliary unit 14 can make indicated breaker unit 11 automatic disconnection when breaking down, the movement device 22 of auxiliary unit 14 comprises a movably flat board 62, this flat board 62 is to make with insulating material, be contained on the fixed axis 64 of casing 19 and can do limited rotation around axle, dull and stereotyped 62 are connected with handle 20 with a gib 68 by a drive link 66, gib 68 forms with disconnection lever 72 cooperative ratchet bars 70 by one, ratchet bar 70 is contained on dull and stereotyped 62 the axle 74 and can rotates, it directly engages again with bar 66, the trip arm 72 of mechanical device 22 be contained in one be in the close position and open position between the axle 76 on and can sway, the return spring 78 of one torsion spring type is installed on the axle 76 and with trip arm and is biased in the make position (see figure 2), a start end of 72 of double break can make gib 68 be engaged in or leave ratchet bar 70, its other end has a bar 80(to see Fig. 3), it can promote by the trip arm that is connected on the switching device that connects the utmost point 12, extension bar 80 stretches out by the opening 82 on the broadside face 84 of casing 19 and engages with the mating surface of breaker unit 11, when two unit 11 and 14 fit together, bar 80 puts in the aperture of breaker unit 11, forms one second connection (Fig. 1) of opening circuit between the movement device 22 of switching device that faces receiving electrode 12 and auxiliary unit 14.The appearance of second connection 86 is transferred on the position of disconnection trip arm 72, and the power that shifts this bar is that arbitrary mechanical device of electrode 12 causes when occurring opening circuit action, causes gib 68 to discharge at last.Gib 68 is the corresponding place of axle 64 relatively, on dull and stereotyped 62, a bearing pedestal 88 is arranged, when breaker unit 11 is in make position, contact point arm 30 mid portions of auxiliary switch 24 and this bearing pedestal join (Fig. 2), pulling force savings spring 90 is contained between the fixing point 92 on bearing pedestal 88 and the casing 19, after breaking down and gib 68 disconnects, this spring can make dull and stereotyped 62 counterclockwise to rotate, and pulling force savings spring 990 is the operating springs as mechanical device 22.
In dull and stereotyped 62 rotating shaft 64 support bar 94 is housed, this bar has the contact supporting plate portion of one first low component 96 as the contact point arm 48 of indicator cock 26, and one second respective branches part 98, and a pointer 100 is housed on the component 98.A plate washer 102 on dull and stereotyped 62 is contained on the support bar 94 and is in breaker unit 11(Fig. 2) closed position, it is suppressed the contact on the contact point arm 48 on fixed contact 52.
The 3rd side branches part 104 that one projection shape is arranged on the support bar 94, it can with actuating strut 106 co-operatings of installing on the axle 21 on the handle 20, actuating strut 106 is connected with a return spring 108, makes this actuating strut be pushed to the direction of projection 104.Also have a circular orientation and the targeting part that stretches out branching portion 104 on the bar 106, and a locking projection 112, this projection can be blocked 113 co-operatings with sliding of a selector 114.On the selector 114 top faces otch 116 is arranged, it can make sliding card 113 latched position (see figure 2)s at actuating strut 106, note at this moment handle 20 to rotate and bar 106 is motionless, and a handle 20 can move between the off-position of drive actions bar 106.The slit opening 116 of selector 114 can be seen by an opening of casing 19 fronts.
A torsion spring 120 is contained in the rotating shaft 64 of support bar 94, and it cooperates with the movable contact arm 48 of indicator cock exerts pressure to the contact.
A projection 118 of pointer 100 can make fault-signal eliminate, and it is to realize by a position that is designed to support bar 94 to be back among Fig. 2.
By grab 130(Fig. 3 who forms on the casing 19), auxiliary unit 14 can be latched on the breaker unit 11.
The working condition of assist control and indicating member 14 is as described below:
When circuit breaker is in closure state:
At circuit breaker 10 during in make position, the handle 20 of auxiliary unit 14 is (seeing accompanying drawing 2) on the position on the right, 100 on pointer is in the fault-free position, the corresponding movable contact arm 30 of first and second switches 24,26 contacts with 52 with fixed contact 40 with 48, and gib 68 is in locked position naturally.The extension spring 90 of movement device 22 is elongated.Given selector 114 is in locked position and has blocked actuating strut 106 among Fig. 2.
Circuit breaker disconnects automatically and manually when unclamping selector
Selector 114 is unclamped from its locked position (Fig. 2), sliding card 113 must be shifted onto (seeing the arrow F1 among Fig. 2) on the position on the right in case make one with elasticity take card 124 just by with the hard spot of projection 122 formation of its coordinated.The locking projection 112 of actuating strut 106 is deviate from from the stopping of sliding card 113 subsequently, make the handle 20 can drive rod 106, when automatic disconnection takes place owing to fault in circuit breaker 10, interruption pole makes the switching device of breaker unit 11 disconnect, and simultaneously this ON-and OFF-command is reached auxiliary unit 14(by the second mechanical connection sheet 86 and sees arrow F among Fig. 3 2), make interruption pole 72 forward the position of disconnection in the counterclockwise direction to.This point will cause gib 68 to disconnect, extension spring subsequently 90 loosens, dull and stereotyped 62 and support bar 94 rotate and make two contact point arms 30 and 48 change positions (Fig. 6).Two switches 24 and 26 double- contact 38 and 50 present fixed contacts 42 and 54 corresponding with it are joined.First auxiliary switch 24 is expressed the change in location of breaker unit 11 upper contacts, and handle 20 can restore gib 68 automatically to the position that moves left to disconnection, and second indicator cock 26 can indicate the character of disconnection by the failure to trip of reflection breaker unit 11.This fault is to show by the pointer 100 that is presented at casing 19 fronts.After being pressed on the flange 118 and support bar 96 clockwise directions are promoted with a screwdriver, just can remove this fault-signal.
Do not having fault and the handle 16 of breaker unit 11 is being moved to when circuit breaker 10 is disconnected with hand, the rotation that handle 20 goes to open position is rotated actuating strut 106 in the counterclockwise direction, sees accompanying drawing 7 by blocking extension 104() prevent that support bar 94 from producing any displacement.The annular section 110 of actuating strut 106 does not hinder handle 20 to rotate with the routing motion of extension 104, and contact point arm 48 is pressed on the fixed contact 52, and at this moment second switch is failure to actuate and is not also shown any faulty indication.On the other hand, first switch 24 makes the contact conversion by dull and stereotyped 62 rotations of drive link 66 drivings that are connected on the handle 20.Two-sided contact 38 joins with fixed contact 42, and first auxiliary switch 24 indicates the change in location of the contact of breaker unit 11.
When selector is in the lock state
The sliding card 113 of locking projection 112 selected devices 114 pins, and actuating strut still is blocked, and is on the position among Fig. 2 and does not rotate with handle 20.Extension 104 no longer hinders fan-shaped part 110, and when auto-cutout or operator's hands off occurring, support bar 94 together rotates with dull and stereotyped 62.No matter at this moment how all the state with first switch is identical for the working forms of the state circuit breaker 10 of second switch 26.Auxiliary unit 14 just has two auxiliary switches 24 and 26, and switch 26 can independently indicate the contacts status of breaker unit 11.
In the actuating mechanism 22 of auxiliary unit 14, tension spring 90 can make an action command of deriving from flat board rotates (see arrow F 3Fig. 3) being transferred to the outside goes, by be subordinated to the second mechanical connection sheet 86 and with bar 80 rightabout end piece 126(Fig. 3), this action command can be added on other electric auxiliaring device, and end piece 126 has a blind hole, and Kong Zhongke inserts a machinery and disconnects brace, this brace belongs to a servicing unit that joins with it, under-voltage release MN for example, a shunt coil relay MMX, or other auxiliary indicator unit.
Fig. 8 demonstrates a breaker unit 11 and three assist control and indicating member 14a, and 14b is connected with 14c, to form a modular unit formula automatic circuit breaker 100.Three auxiliary units are identical and are the sort of in the above-mentioned prior art file accompanying drawing 2 to 5 that auxiliary unit 14a at first receives ON-and OFF-command (arrow F from circuit breaker 11 2), the mechanical device 22 that passes through it then is with one second ON-and OFF-command (arrow F 3) that auxiliary unit 14b in the middle of being sent to.This auxiliary unit 14b is at last with one the 3rd ON-and OFF-command (arrow F 4) be sent on last that auxiliary unit 14c.A kind of like this associating can make auxiliary unit 14a, and 14b and 14c disconnect step by step.
Auxiliary unit 14 is installed in breaker unit 11 and one and is equipped with between the relay of shunt coil MX or under-voltage coil MN among Fig. 9, (sees arrow F by this relay 5) ON-and OFF-command that sends at first is sent on the auxiliary unit 14, delivers to again on the circuit breaker 11 subsequently and (see arrow F 6).This connected mode can make the circuit breaker that will realize 200 have from relay and send function that auxiliary unit 14 and breaker unit 11 are disconnected step by step.
In the modular unit formula circuit breaker 100 and 200 as shown in Fig. 8 and 9, auxiliary unit 14,14a, 14b, 14c, and MX or MN relay must be installed in the left side of breaker unit 11.A ground wire trouble unit 150(is represented by dotted lines in the drawings) can be installed on the right-hand lay of breaker unit 11.

Claims (6)

1, a kind of assist control and indicator cock that is used for multi-circuit breaker, comprise an assembly (14) and an insulation casing (19) that holds described assembly (14), casing can be connected combination with a breaker unit (11) with a plurality of electrodes (12), form a modular unit automatic circuit breaker (10,100,200), the assembly of described switch (14) comprising:
First auxiliary switch (24), this switch is designed to reflect that by one group the contact of breaker unit (11) is in transfer contact (38,40, the 43) composition of disconnection or make position,
Second indicator cock (26), this switch have one group of transfer contact (50,52,54), can indicate the off-state of back breaker unit (11) auto-cutout of breaking down,
Mechanical device (22) with the handle (20) that makes the first and second switch co-operatings, the first mechanical connection sheet (28) of this device by linking to each other with handle (16) connecting rod (18) of different electrodes (12), and the second machinery brace (86) that opens circuit, and the switching mechanism co-operating of breaker unit (11)
First cover connects end points (36,46,44), and these end points are arranged on the surface, a narrow limit of casing (19), and couples together with the electric property in contact (38,42,40) on corresponding first auxiliary switch (24),
Second cover connects end points (56,58,60), and these end points are arranged at casing (19) and go up on the face of corresponding narrow limit, and couples together with the electric property of those corresponding contacts (50,52,54) of second indicator cock (26),
One is contained in the flat board (62) that rotating shaft (64) is gone up and can be rotated, and this flat board passes through a gib (68), couple together with handle (20) mechanicalness of switch motion device (22),
A trip arm (72) that drives by the second mechanical connection sheet (86), this bar can be derived a rotation around axle from the disconnection action of breaker unit (11), and make trip arm (72) move to open position and gib (68) is disconnected,
It is characterized in that first auxiliary switch (24) comprises the contact point arm (30) of direct and dull and stereotyped (a 62) co-operating, flat board links to each other with an energy savings spring (90), and the contact point arm (48) of second indicator cock (26) is contained in the rotating shaft (64) of flat board (62) by one, and the insulating support rod (94) of the limited rotation of energy supports, described support bar (94) has an extension (104), it can with the rotating shaft that is contained in handle (20) (21) on, an and actuating strut (106) co-operating that can sway, the manual cut-off breaker (10 not breaking down, 100,200) time, prevent that by blocking extension (104) support bar (94) from moving, make second switch (26) be in dormant state, and support bar (94) is rotated so that in circuit breaker automatic disconnection pass and gib (68) when also disconnecting, second switch (26) is transformed into the faulty indication standby condition.
2, according to the assist control and the indicator cock of claim 1, it is characterized in that having on the actuating strut (106) an annular guiding fan section (110), when support bar (94) is relayed to when changeing motionless in manual cut-off breaker process, this annular guiding fan section is mobile along extension (104) with handle (20).
3, according to the assist control and the indicator cock of claim 2, it is characterized in that a return spring (108) is contained in the rotating shaft (21) of handle (20), force actuating strut (106) to move to the direction of extension (104), being equipped with one on the support bar (94) can be from the observed pointer in front (100) of casing (19).
4, according to the assist control and the indicator cock of claim 3, it is characterized in that faulty indication pointer (100) comprises a manual reseting device that is contained on the support bar (94), it can make the contact point arm (48) of second indicator cock (26) forward inactive state to from active state.
5, according to assist control in the aforementioned claim 1 and indicator cock, it is characterized in that also comprising on the flat board (62) baffle plate (102) that is contained on the support bar (94), this baffle plate can be fashionable at circuit breaker closing, guarantees to block reliably the contact point arm that is in dormant state (48) of second switch (26).
6, according to assist control in the claim 1 and indicator cock, it is characterized in that putting aside spring (90) and be positioned on rotating shaft (64) on dull and stereotyped (62) the relatively position relative, and force the contact point arm (30) of first switch (24) to be in the disconnection indicating status of breaker unit (11) contact with gib (68).
CN 89100530 1988-01-28 1989-01-28 Auxiliary control and indicating switch for standard multi-circuit breaker Expired - Fee Related CN1023673C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8801151A FR2626714B1 (en) 1988-01-28 1988-01-28 AUXILIARY CONTROL AND SIGNALING SWITCH FOR MODULAR MULTIPOLAR CIRCUIT BREAKER
FR8801151 1988-01-28

Publications (2)

Publication Number Publication Date
CN1036660A CN1036660A (en) 1989-10-25
CN1023673C true CN1023673C (en) 1994-02-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 89100530 Expired - Fee Related CN1023673C (en) 1988-01-28 1989-01-28 Auxiliary control and indicating switch for standard multi-circuit breaker

Country Status (5)

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EP (1) EP0326446B1 (en)
JP (1) JP2933632B2 (en)
CN (1) CN1023673C (en)
DE (1) DE68905497T2 (en)
FR (1) FR2626714B1 (en)

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Publication number Priority date Publication date Assignee Title
FR2656155B1 (en) * 1989-12-18 1992-03-06 Merlin Gerin ADAPTATION AUXILIARY FOR MULTIPOLAR DIFFERENTIAL SWITCH.
FR2722332B1 (en) * 1994-07-06 1996-09-13 Schneider Electric Sa AUXILIARY BLOCK, IN PARTICULAR FOR SIGNALING THE CONDITION OF CIRCUIT BREAKERS
IT1271772B (en) * 1994-12-16 1997-06-09 Bticino Spa MODULAR AUXILIARY MODULAR EQUIPMENT OF AUTOMATIC MODULAR PROTECTION SWITCHES
IT1298785B1 (en) * 1998-03-24 2000-02-02 Abb Elettrocondutture Spa SIGNALING DEVICE FOR MAGNETOTHERMAL SWITCH
IT1298784B1 (en) * 1998-03-24 2000-02-02 Abb Elettrocondutture Spa AUXILIARY CONTACT DEVICE FOR MAGNETOTHERMAL SWITCH
FR2777694B1 (en) * 1998-04-17 2000-05-26 Schneider Electric Ind Sa AUXILIARY SIGNALING BLOCK ADAPTABLE TO A PROTECTION CIRCUIT BREAKER
DE10216439B4 (en) * 2002-04-12 2011-02-24 Abb Ag auxiliary switch
DE10216371A1 (en) * 2002-04-12 2003-10-23 Abb Patent Gmbh auxiliary switch
JP4600303B2 (en) * 2006-01-25 2010-12-15 三菱電機株式会社 Circuit breaker
JP5014717B2 (en) * 2006-09-22 2012-08-29 テンパール工業株式会社 Circuit breaker
JP5014716B2 (en) * 2006-09-22 2012-08-29 テンパール工業株式会社 Circuit breaker
DE102007032841A1 (en) * 2007-07-12 2009-01-15 Abb Ag Installation switching device with insulating housing
JP6163950B2 (en) * 2013-08-06 2017-07-19 富士電機機器制御株式会社 Circuit breaker
CN108807093B (en) * 2017-05-04 2023-08-01 周思雨 Miniature circuit breaker, hand-to-hand conversion assembly thereof and hand-to-hand conversion method
CN114783820B (en) * 2022-04-07 2023-07-21 江苏威伦智能电气设备有限公司 Column vacuum circuit breaker capable of locking manual and electric switching-on and switching-off functions simultaneously

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DE8334014U1 (en) * 1983-11-26 1984-10-31 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Additional switch for attachment to a line circuit breaker

Also Published As

Publication number Publication date
FR2626714B1 (en) 1990-06-01
JPH01225030A (en) 1989-09-07
FR2626714A1 (en) 1989-08-04
DE68905497D1 (en) 1993-04-29
EP0326446B1 (en) 1993-03-24
EP0326446A1 (en) 1989-08-02
CN1036660A (en) 1989-10-25
DE68905497T2 (en) 1993-10-21
JP2933632B2 (en) 1999-08-16

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Patentee after: Schneider Electric SA

Patentee before: Schneider Electric SA

C15 Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993)
OR01 Other related matters
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee