CN101728127A - Low voltage dipole automatic circuit breaker - Google Patents
Low voltage dipole automatic circuit breaker Download PDFInfo
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- CN101728127A CN101728127A CN200910179357A CN200910179357A CN101728127A CN 101728127 A CN101728127 A CN 101728127A CN 200910179357 A CN200910179357 A CN 200910179357A CN 200910179357 A CN200910179357 A CN 200910179357A CN 101728127 A CN101728127 A CN 101728127A
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- 230000008878 coupling Effects 0.000 claims description 15
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- 239000011810 insulating material Substances 0.000 claims description 3
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- 230000007246 mechanism Effects 0.000 abstract description 13
- 230000001681 protective effect Effects 0.000 abstract description 4
- 230000009699 differential effect Effects 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 108010022579 ATP dependent 26S protease Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/142—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with bimetal elements
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Abstract
A low voltage dipole automatic circuit breaker comprises a pair of electrodes; each electrode has a protective apparatus aiming at short circuit. The circuit breaker also comprises a differential action apparatus connected with the two electrodes; and a separate overload protective apparatus connected with one of the two electrodes. When an overload failure case is detected, the overload protective apparatus uncouples the a closing/breaking mechanism to further break the contacts of the two electrodes.
Description
Technical field
The present invention relates to a kind of low voltage dipole automatic circuit breaker, particularly, relate to a kind of such dipole automatic circuit breaker, its have the error protection of being subjected to the two poles of the earth (promptly not having neutral pole or neutral phase), present various functional while compact conformation, parts are less.
Background technology
The low pressure automatic circuit breaker is the electric device of known type.They are used in the electrical system (for example civilian, industry or commercial) usually, with via circuit breaker automatic disconnection and then make power failure in response to failure situations itself, and guarantee protection and user security to electrical system.
Typically, these failure situations are short circuit, overload and earth leakage.In order to guarantee protection at these faults, the one or more protection equipment that can distinguish normal running situation and failure situations usually and circuit breaker link.These equipment generally include actuator, and this actuator is interfered the motion of circuit breaker along with the failure situations of determining, thereby make motion thread off automatically and make contact disconnect.
The protection equipment of the most frequently used known type is hot equipment of magnetic and differential apparatus, and the hot equipment of magnetic is realized the protection at short circuit and overload, and differential apparatus is grounded earth leakage protective.
One of advantage of Fa Xianing is the following fact sometimes, that is: in some applications, protection equipment is by treating that the add-on module that links with circuit breaker forms, to realize concrete defencive function.In practice, circuit breaker and protection equipment are arranged in the independent housing, and these housings have modular predetermined width (DIN (Deutsche industry norm (DIN)) module equals 17.5mm).These housings are linked and be connected to obtain required protection type.
This makes cost increase, because must set in advance connection and the interface arrangement that is suitable for holding a plurality of housings of each equipment and is used to realize be connected with the operability of circuit breaker, thereby needs the corresponding work amount at assembling stage.
In addition, even at protection equipment with disconnect parts and be contained under the situation in the same housing, this housing also has relatively large size (for example, greater than the width of two standard modules) usually, and is particularly all protected and so and when not having neutral pole when the two poles of the earth.Also it is emphasized that; the protection equipment of known type also needs to be used to special member that it is implemented; and be used for special mechanism that it is connected with released movement mechanism, thereby make the design of circuit breaker and the equipment that links with it and the implementation phase in the complexity that all becomes.
As finding out from the above description, the automatic circuit breaker of known type has a series of shortcomings, and these automatic circuit breakers attempt to solve these shortcomings, but does not solve in the mode that is entirely satisfactory.
Summary of the invention
Consider that based on these main purpose of the present invention is to provide a kind of low voltage dipole automatic circuit breaker that can overcome described shortcoming.
This purpose realizes that via such low voltage dipole automatic circuit breaker this circuit breaker comprises the housing of being made by insulating material, and this housing is equipped with:
---first utmost point, this first utmost point comprise can coupled to each other/decoupling zero first contact and second contact, and be used for first equipment protected at short circuit;
---second utmost point, this second utmost point comprise can coupled to each other/decoupling zero the 3rd contact and the 4th contact, and be used for second equipment protected at short circuit;
---differential protection device, this differential protection device functionally links with first and second utmost points, and is suitable for detecting the differential current between described first and second utmost point;
---closure/disconnection motion, this closure/disconnection motion functionally is attached to described first and second utmost points, to carry out the coupling/decoupling zero of described first and second contact and the 3rd and the 4th contact.
---single overload protection device, this overload protection device functionally link with described first utmost point, and be suitable for when detecting the overload fault situation, making described motion thread off and make the described first and the 3rd contact respectively with the described second and the 4th contact decoupling zero.
Description of drawings
From according to some of circuit breaker of the present invention preferably but the description of not exclusive execution mode, further characteristic and advantage will become more obvious, and these execution modes exist by way of example
Shown in the accompanying drawing, in described accompanying drawing:
Fig. 1 is first stereogram according to dipole automatic circuit breaker of the present invention;
Fig. 2 is the end view of the circuit breaker of Fig. 1;
Fig. 3 is the functional schematic diagram of the circuit breaker of Fig. 1;
Fig. 4 is first end view of some parts of the circuit breaker of Fig. 1;
Fig. 5 is second end view of some parts of the circuit breaker of Fig. 1;
Fig. 6, Fig. 7 and Fig. 8 are detail view, there is shown first operating process according to dipole automatic circuit breaker of the present invention;
Fig. 9 and Figure 10 are detail view, there is shown second operating process according to dipole automatic circuit breaker of the present invention;
Figure 11 is another stereogram of a part of the circuit breaker of Fig. 1.
Embodiment
Referring to accompanying drawing; low voltage dipole automatic circuit breaker 1 according to the present invention comprises housing 10; this housing is made by electrical insulating material, ccontaining first utmost point 20 of described housing and second utmost point 30, this two according to being subjected to protection at failure condition from hereinafter describing the mode that will learn.The rear section 11 of housing 10 suitably is shaped and has and is used for the device of clasp joint to DIN (Deutsche industry norm (DIN)) guide member.
First utmost point 20 comprise can coupled to each other/decoupling zero first contact 21 and second contact 22, and second utmost point 30 comprise can coupled to each other/decoupling zero the 3rd contact 31 and the 4th contact (not shown, but be equal to second fixed contact 22 substantially).Second contact 22 and the 4th contact are fixed, and contact 21 and 31 can move between open position and make position, contact 21 and 31 in open position with corresponding fixed contact decoupling zero, and in make position with described fixed contact coupling.
Circuit breaker also comprises closure/disconnection motion 40, and this motion functionally is connected in described first utmost point 20 and second utmost point 30, to carry out the coupling/decoupling zero of described first contact 21 and second contact 22 and described the 3rd contact 31 and the 4th contact.In practice, closure/disconnection motion 40 comprises lever, and these levers will be sent to contact by the motion of the knob 42 of user operation, to carry out the disconnection or the closed action of circuit breaker; In addition, in case the situation that breaks down in the electrical system related with circuit breaker 1, then described lever disconnects contact.For this reason, closure/disconnection motion 40 preferably includes the device that is used for movable contact is remained on make position, and the device that is used for released movement mechanism, thereby allows circuit breaker 1 automatic disconnection.According to an execution mode, closure/disconnection motion 40 comprises at least one pair of lever, for example clasp joint lever 43 and dropout lever 41, and they remain on make position with contact when being engaged with each other.Under failure condition, dropout lever 41 is via 418 the rotation and break away from clasp joint lever 43 around the center, thereby released movement mechanism and allowing carries out according to hereinafter with the automatic disconnection operation of the mechanism that is described in detail.
In fact, circuit breaker according to the present invention is adapted to pass through circuit breaker automatic disconnection and then make power failure in response to first, second or the 3rd failure situations itself, and guarantees to protect electrical system (for example civilian, industry and commercial) and user security.Usually, these failure situations are respectively short circuit, overload and earth leakage.
For this reason, first utmost point 20 of circuit breaker 1 and second utmost point 30 comprise the first short-circuit protection equipment 50 and the second short-circuit protection equipment 55 respectively.
This short- circuit protection equipment 50 and 55 is well-known types; and generally include magnetic actuator; this magnetic actuator is by coil, movable core, secured core, plug-in strip or be more generally as pin and spring constitutes, and these short-circuit protection equipment have been realized the protection at short circuit.
Advantageously; double-pole cut-out 1 comprises single only one overload protection device 60; this overload protection device functionally links with first utmost point 20; and be suitable for when detecting the overload fault situation; make motion 40 thread off, and make described first contact and the 3rd contact 21,31 respectively with described second contact 22 and the 4th contact decoupling zero.
And then; protection equipment 50 and 55 is suitable for the failure condition that causes along with because of the short circuit in the electrical system related with circuit breaker 1; and make described motion 40 discharge, and make described first and second contacts 21,31 disconnect and make described the 3rd contact 22 and the 4th contact disconnect.
Preferably, overload protection device 60 is made of thermal actuator, and this thermal actuator comprises bimetal piece.The first short-circuit protection equipment 50 and overload protection device 60 merge usually each other, and constitute the hot equipment of magnetic.In addition; it is to be noted; protection equipment 60 be calibrated to interfere when being used for taking place intensity is not too high, life period is long overload in; equipment 50 and 55 can also be interfered when having the very short overload of more high strength, time of occurrence except short trouble is interfered.
In addition, automatic circuit breaker 1 according to the present invention comprises coupling arrangement, and this coupling arrangement functionally is connected to different protection equipment 50,55,60 and 70 with closure/disconnection motion 40.In fact; different with the circuit breaker of known type; in circuit breaker according to the present invention; different protection equipment 50,55,60 and 70 mechanical pulsing are passed to released movement mechanism via single mechanism; thereby all need the conventional scheme of special mechanism to compare with each protection equipment, simplified the structure of circuit breaker.
Referring to Fig. 6-10, some configurations that are used for realizing the automatic disconnection operation of circuit breaker according to of the present invention will be described now.
As previously mentioned, the execution mode of closure/disconnection motion 40 comprises the first dropout lever 41 aptly, this first dropout lever is suitable for discharging this motion 40 by breaking away from the 3rd clasp joint lever 43, thereby allows the contact automatic disconnection of the two poles of the earth 20 and 30.Coupling arrangement for example comprises first trip shaft 81, and this first trip shaft functionally is connected to the described first and second short- circuit protection equipment 50 and 55, overload protection device 60 and differential protection device 70 with described closure/disconnection motion 40.According to this execution mode, coupling arrangement comprises that also second interferes lever 82, and this second interference lever functionally is connected to protection equipment 70 with closure/disconnection motion 40.First trip shaft 81 and second interferes lever 82 functionally to be connected to the described first dropout lever 41.In other words; coupling arrangement is for example interfered lever 82 and is constituted single mechanical interface via first trip shaft 81 and second; the mechanical pulsing that is produced by different protection equipment 50,55,60,70 when corresponding failure situations takes place is sent to closure/disconnection motion 40 by described single mechanical interface, thereby for example acts on the dropout lever 41.
Referring to Fig. 6 and Fig. 9, in the breaker closing situation and when not having fault, closure/disconnection motion 40 is retained as and is locked in make position, so that the 3rd clasp joint lever 43 and the first dropout lever 41 interact.Especially, according to the present invention, an end of lever 43 joins to by suitable projection in the body of lever 41, stops lever 43 to be rotated counterclockwise (and stoping so and release circuit breaker) therefrom.
Show the operation of automatic disconnection under the situation of the fault that takes place to cause because of short circuit with reference to Fig. 6 and Fig. 7.The first protection equipment 50 and the second protection equipment 55 comprise the plug-in strip 501 that is connected to movable core separately.(see figure 6) under normal circumstances, the part of plug-in strip 501 be positioned at first trip shaft 81 first extension 810 near.
In case because of short circuit is broken down, then protect equipment 50 or 55 to interfere, thereby movable core inwardly dragged, and therefore move the plug-in strip 501 (see Fig. 7, there is shown moving right of plug-in strip 501) that links with it.Because this motion, plug-in strip 501 acts on first extension 810 of axle 81, and this axle 81 turns clockwise around himself pivoting point 815.Axle 81 has with its all-in-one-piece and second extension 811 that suitably is shaped.Because axle 81 rotation, second extension 811 and 41 interactions of the first dropout lever, thus the dropout lever 41 of winning is rotated counterclockwise around himself pivot 418.Therefore, dropout lever 41 and the 3rd clasp joint lever 43 break away from, thereby allow described closure/disconnection motion 40 to move and release, and described closure/disconnection motion jumps to open position, thereby movable contact 21 is separated with corresponding fixed contact with 31.
Show the operation of automatic disconnection under the situation of the fault that takes place to cause because of overcurrent with reference to Fig. 6 and Fig. 8.As previously mentioned, protection equipment 60 comprises bimetallic plates, and these bimetallic plates are suitable for because of the bending of the overcurrent in the circuit.(see figure 6) under normal circumstances, the part of plate 60 be positioned at first trip shaft 81 the 3rd extension 812 near.
Under the situation of the fault that takes place to cause because of overload, protection equipment 60 is interfered (see Fig. 8, there is shown moving downward of plate 60) by the flexing of bimetallic plates.Because this motion, plate 60 act on axle 81 the extension 812, this axle 81 turns clockwise around himself pivoting point 815.Because this rotation, second extension 811 of axle 81 and the first dropout lever 41 interact, thereby make contact rotate as previously mentioned and automatic disconnection.
Show the operation of automatic disconnection under the situation of the fault that takes place to cause because of earth leakage with reference to Fig. 9 and Figure 10.The 3rd protection equipment 70 comprises piston 701, this piston be suitable for because of the electric current earth leakage so that because of and the conductor that links of the two poles of the earth or two- phase 20 and 30 between the imbalance of electric current slide.(see figure 9) under normal circumstances, an end of piston 701 be positioned at second interfere lever 82 arm 822 near.This interference lever 82 suitably is articulated in a little 820, can be with respect to this some rotation, and be maintained at off-position by suitable spring.Second interferes lever 82 also to have the coupling arrangement 821 that connects with the first dropout lever 41.Under the situation illustrated in the accompanying drawings, interference device is made of projection 821, and this projection is suitable for interacting with the part 410 of dropout lever 41.
Under the situation of the fault that takes place to cause because of earth leakage; promptly; when the absolute value of the difference between the electric current that in the two poles of the earth, circulates during greater than predetermined threshold value; protection equipment 70 is interfered; thereby make the outer side shifting (see Figure 10, there is shown the moving right of piston 701) of piston 701 towards relay.Because this motion, piston 701 act on the arm 822 of lever 82, this lever 82 is rotated counterclockwise around himself pivoting point 820.Because this rotation is interfered the projection 821 of lever 82 and the part 410 of the first dropout lever 41 to interact, thereby is made contact be rotated counterclockwise as previously mentioned and automatic disconnection.
Circuit breaker according to the present invention also can be realized this circuit breaker in very compact mode by locate each parts rightly in housing 10 except quite simplifying in mechanical aspects.
For example, schematically illustrated and can see that as Figure 11 with respect to the front view of circuit breaker 1, first utmost point 20 and second utmost point 30 are positioned at the left side and the right side of the longitudinal axis 100 of circuit breaker 1 aptly with symmetrical manner as Fig. 3.Therefore, closure/disconnection motion 40 can be advantageously placed in the middle with respect to described first utmost point and second utmost point 20,30.
Particularly, in first utmost point 20, protection equipment 50 and protection equipment 60 are stacked and be arranged side by side with closure/disconnection motion 40.More specifically, the equipment 50 and 60 that is used for magnetic heat protection is combined into monolithic entity (therefore illustrating with the individual feature piece at Fig. 3) usually and is positioned at the utmost point 20 places, is in the place ahead with respect to the front view of circuit breaker 1.Protection equipment 55 and then be arranged side by side in a side opposite with protection equipment 50 with closure/disconnection motion 40.Protection equipment 70 is laterally located with respect to described longitudinal axis 100, and contiguous described closure/disconnection motion 40, therefore with respect to the front view of circuit breaker, is positioned to be lower than protection equipment 50,55,60 and motion 40.
Formed structure is very reasonable and compact.In fact, roughly symmetrical in the layout of housing 10 inner parts, and allow the volume inside of optimization housing own to take.Therefore, size that can limiting circuit breaker; Particularly, width becomes and equals two DIN standard modules (35mm), thereby has remarkable advantage aspect modularization.
Based on the above, circuit breaker 1 has been realized its goal-selling as can be seen, thereby makes it possible to realize multiple function, reduces number of components and cost simultaneously.
In fact; double-pole cut-out 1 has at the shielded the two poles of the earth 20 of fault and 30; and in double-pole cut-out 1; by utilizing single bimetal piece to realize at the protection of transshipping; these are different with the known technology in this area; in known technology, therefore each utmost point--under the situation of protected (and the described utmost point rather than neutral pole)---provide special use of bimetal piece.In addition, since the 26S Proteasome Structure and Function of circuit breaker 1, the realization of the connection between the realization that circuit breaker 1 makes it possible to significantly simplify the internal structure of an organization and each parts thereof.In other words; different with the circuit breaker of known type; coupling arrangement makes it possible to protection equipment is connected with the released movement mechanism of circuit breaker via single mechanism, thus further reduced mechanical part quantity, optimized the space of being occupied in the housing and on the two poles of the earth, had complete protection range (magnetic, heat and differential) simultaneously.
In addition, between protection equipment and cut-off/close mechanism, use single coupling mechanism to make it possible to reduce production costs.
Shall also be noted that in the device in accordance with the invention, can be with multiple functional being integrated in the single housing, thereby implement and assembly cost aspect can save.In addition, owing to arrange extremely compactly and reasonable at the enclosure interior part, so limited the size of housing.Particularly, can realize such circuit breaker, its width equals two DIN standard modules and the two poles of the earth all are protected, thereby all has remarkable advantage aspect reasonability of assembling and the modularization.
Based on given description, for those of ordinary skills, other characteristic, modification or improvement are possible and are conspicuous.Therefore, this specific character, modification and improvement should be regarded a part of the present invention as.In practice, can change material and size and the possible form that is adopted with state of the art as required.
Claims (9)
1. a low voltage dipole automatic circuit breaker (1) is characterized in that, it comprises the housing of being made by insulating material (10), and described housing is ccontaining:
---first utmost point (20), described first utmost point comprise can coupled to each other/decoupling zero first contact (21) and second contact (22), and be used for first equipment (50) protected at short circuit;
---second utmost point (30), described second utmost point comprise can coupled to each other/decoupling zero the 3rd contact (31) and the 4th contact (32), and be used for second equipment (55) protected at short circuit;
---differential protection device (70), described differential protection device functionally link with described first utmost point (20) and described second utmost point (30), and are suitable for detecting the differential current between described first utmost point (20) and described second utmost point (30);
---closure/disconnection motion (40), described closure/disconnection motion functionally is attached to described first utmost point (20) and described second utmost point (30), to carry out the coupling/decoupling zero of described first contact (21) and described second contact (22) and described the 3rd contact (31) and described the 4th contact;
---single overload protection device (60); described overload protection device functionally links with described first utmost point (20), and be suitable for when detecting the overload fault situation, making described motion (40) thread off and make described first contact (21) and described the 3rd contact (31) respectively with described second contact (22) and described the 4th contact decoupling zero.
2. dipole automatic circuit breaker as claimed in claim 1 (1) is characterized in that, described single overload protection device (60) comprises bimetal piece.
3. dipole automatic circuit breaker as claimed in claim 1 or 2 (1); it is characterized in that; it comprises coupling arrangement, and described coupling arrangement functionally is connected to the described first short-circuit protection equipment (50) and the described second short-circuit protection equipment (55), described single overload protection device (60) and described differential protection device (70) with described closure/disconnection motion (40).
4. arbitrary or multinomial described dipole automatic circuit breaker (1) in the claim as described above, it is characterized in that, described closure/disconnection motion (40) comprises the first dropout lever (41), described dropout lever is suitable for discharging described motion (40), thereby makes that described first contact (21) and described second contact (22) and described the 3rd contact (31) can automatic disconnections with described the 4th contact.
5. arbitrary or multinomial described dipole automatic circuit breaker (1) in the claim as described above; it is characterized in that; described coupling arrangement comprises first trip shaft (81) and the second interference lever (82); described first trip shaft functionally is connected to the described first short-circuit protection equipment (50) and described second short-circuit protection equipment (55) and described overload protection device (60) with described closure/disconnection motion (40), and described second interferes lever that described closure/disconnection motion (40) functionally is connected to described differential protection device (70).
6. as claim 4 and 5 described dipole automatic circuit breakers (1), it is characterized in that described first trip shaft (81) and described second interferes lever (82) functionally to be connected to the described first dropout lever (41).
7. arbitrary or multinomial described dipole automatic circuit breaker (1) in the claim as described above, it is characterized in that, with regard to the front view of described circuit breaker (1), described first utmost point (20) and described second utmost point (30) are arranged in the left side and the right side of the longitudinal axis (100) of described circuit breaker (1) symmetrically, and described closure/disconnection motion (40) is with respect to described first utmost point (20) and described second utmost point (30) location placed in the middle.
8. dipole automatic circuit breaker as claimed in claim 9 (1) is characterized in that, described differential protection device (70) is positioned to transverse to described longitudinal axis (100) and contiguous described closure/disconnection motion (40).
9. arbitrary or multinomial described dipole automatic circuit breaker (1) in the claim as described above is characterized in that it has the width that equals two standard DIN modules.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI2008U000329 | 2008-10-10 | ||
| ITMI20080329 ITMI20080329U1 (en) | 2008-10-10 | 2008-10-10 | AUTOMATIC BIPOLAR SWITCH FOR LOW VOLTAGE APPLICATIONS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101728127A true CN101728127A (en) | 2010-06-09 |
Family
ID=41449864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910179357A Pending CN101728127A (en) | 2008-10-10 | 2009-10-10 | Low voltage dipole automatic circuit breaker |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2175468A3 (en) |
| CN (1) | CN101728127A (en) |
| AU (1) | AU2009222597A1 (en) |
| IT (1) | ITMI20080329U1 (en) |
| RU (1) | RU2505881C2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783416A (en) * | 2016-12-23 | 2017-05-31 | 国网山东省电力公司武城县供电公司 | A kind of safety-type RCCB and its application method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207367899U (en) * | 2017-11-07 | 2018-05-15 | 施耐德电气工业公司 | The low-voltage distribution equipment of predetermined state can be detected |
| CN109755078B (en) * | 2017-11-07 | 2020-05-29 | 施耐德电气工业公司 | Low-voltage power distribution device and method for controlling tripping of low-voltage power distribution device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT243354B (en) * | 1961-03-09 | 1965-11-10 | Busch Jaeger Duerener Metall | Installation self-switch with electromagnetic and thermal release as well as with manual switch-off in connection with a fault protection release |
| CN2529375Y (en) * | 2002-02-19 | 2003-01-01 | 周圣博 | Double-pole leakage circuit breaker |
| CN1989585A (en) * | 2004-07-19 | 2007-06-27 | 西门子公司 | Circuit breaker with a narrow structure |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1588113B2 (en) * | 1967-09-09 | 1976-07-29 | Condor-Werk Gebr. Frede Kg, Elektro- Und Maschinenfabrik, 4415 Westkirchen | INSTALLATION FULL CIRCUIT BREAKER |
| US3539867A (en) * | 1968-08-26 | 1970-11-10 | Federal Pacific Electric Co | Ground-fault protection systems |
| FR2391549B3 (en) * | 1977-05-17 | 1981-01-09 | Elettrocondutture | PROTECTION AND CUT-OFF DEVICE FOR ELECTRICAL LINES |
| DE3374487D1 (en) * | 1982-08-19 | 1987-12-17 | Bbc Brown Boveri & Cie | Circuit breaker with leakage current release |
| JP2872950B2 (en) * | 1995-11-01 | 1999-03-24 | 日東工業株式会社 | Earth leakage breaker |
| RU2259612C2 (en) * | 2002-10-22 | 2005-08-27 | Закрытое Акционерное Общество "Электрические Низковольтные Аппараты И Системы" | Two-break circuit breaker |
| DE102004004840B4 (en) * | 2004-01-30 | 2006-05-11 | Siemens Ag | Protection switching device with residual current release |
| ITMI20072278A1 (en) * | 2007-12-04 | 2009-06-05 | Abb Spa | AUTOMATIC SWITCH FOR LOW VOLTAGE APPLICATIONS. |
-
2008
- 2008-10-10 IT ITMI20080329 patent/ITMI20080329U1/en unknown
-
2009
- 2009-09-25 EP EP09171337.0A patent/EP2175468A3/en not_active Withdrawn
- 2009-10-02 AU AU2009222597A patent/AU2009222597A1/en not_active Abandoned
- 2009-10-09 RU RU2009137575/07A patent/RU2505881C2/en not_active IP Right Cessation
- 2009-10-10 CN CN200910179357A patent/CN101728127A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT243354B (en) * | 1961-03-09 | 1965-11-10 | Busch Jaeger Duerener Metall | Installation self-switch with electromagnetic and thermal release as well as with manual switch-off in connection with a fault protection release |
| CN2529375Y (en) * | 2002-02-19 | 2003-01-01 | 周圣博 | Double-pole leakage circuit breaker |
| CN1989585A (en) * | 2004-07-19 | 2007-06-27 | 西门子公司 | Circuit breaker with a narrow structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783416A (en) * | 2016-12-23 | 2017-05-31 | 国网山东省电力公司武城县供电公司 | A kind of safety-type RCCB and its application method |
Also Published As
| Publication number | Publication date |
|---|---|
| ITMI20080329U1 (en) | 2010-04-11 |
| AU2009222597A1 (en) | 2010-04-29 |
| RU2009137575A (en) | 2011-04-20 |
| EP2175468A3 (en) | 2013-09-04 |
| RU2505881C2 (en) | 2014-01-27 |
| EP2175468A2 (en) | 2010-04-14 |
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Application publication date: 20100609 |