CN105448615B - A kind of breaker - Google Patents
A kind of breaker Download PDFInfo
- Publication number
- CN105448615B CN105448615B CN201511022614.0A CN201511022614A CN105448615B CN 105448615 B CN105448615 B CN 105448615B CN 201511022614 A CN201511022614 A CN 201511022614A CN 105448615 B CN105448615 B CN 105448615B
- Authority
- CN
- China
- Prior art keywords
- breaker
- plate
- mounting surface
- housing
- fixed
- 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.)
- Active
Links
Classifications
-
- 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
- H01H71/66—Power reset mechanisms
- H01H71/70—Power reset mechanisms actuated by electric motor
Landscapes
- Breakers (AREA)
Abstract
The invention discloses a kind of breaker, breaker of plastic casing and electrically operated device including case and under case, electrically operated device includes housing and operating mechanism, the housing and breaker of plastic casing are arranged side by side, the operating mechanism includes support, rotor arrangement, motor and transmission mechanism, the support includes installing plate, bottom plate and supporting plate, and the installing plate includes two side walls and a top plate；The side wall and top plate and transmission mechanism installation cavity is formed between the mounting surface；The motor is arranged under the mounting surface and is placed in the housing, the rotor arrangement be arranged in the rotor arrangement installation cavity and with the motor connection, the transmission mechanism is arranged in the transmission mechanism installation cavity and driven and acted on breaker of plastic casing by rotor arrangement.Present invention optimizes the layout of the breaker with electrically operated device, can Fast Installation, with compact conformation, small volume and safe and reliable advantage.
Description
Technical field
The present invention relates to a kind of breaker, specifically a kind of breaker with electrically operated device.
Background technology
With the development of new energy technology particularly photovoltaic power generation technology, the use occasion to breaker is proposed completely newly
Use demand.According to actual use, 70%Ue below of the Voltage Drop to normal voltage may occur for distribution side, normal conditions,
Normal work influence of the too low voltage on electrical equipment is very big, in order to protect electrical equipment without damage, it is desirable to breaker energy
Enough automatic shutdown circuits, protect electrical equipment.Based on this purpose, in order that obtaining photo-voltaic power supply side electric energy of the isolation to supply side in time
Input, the breaker of the junction should be able to cut off the power supply of photovoltaic side in time.And when the voltage of distribution side recovers work
When making voltage, the breaker of the junction should be able to recover the power supply to distribution side in time.
For the demand restored electricity in time to breaker in above-mentioned functions, just must using install additional motor-operating mechanism come
Realize restoring electricity in time and under energy automatic detection.Conventional electric operating mechanism of circuit-breaker will be used in real in this kind of system
Existing automatic recovery of power supply will need to install other control module additional, bulky, and cause control system to become complicated, cost
Increase, it is uneconomical.
The popularization that another point is realized with energy-conserving and environment-protective is with deeply, showing designing and developing increasingly to miniaturization side for breaker
To development.User is while functional requirement is met, generally in limited installing space, mounting related components are carried as much as possible
Go out higher requirement, to reach the target of drop this section branch, such demand is more and more urgent.
The content of the invention
In view of the above-mentioned problems, the present invention will realize the warp of miniaturization in the functional requirement for realizing breaker automatic reclosing
Jiization is designed, to meet the demand of user.
In order to solve the above technical problems, the technical solution adopted by the present invention：
A kind of breaker, including case and breaker of plastic casing and electrically operated device under case, electric operating
Device includes housing and operating mechanism, and the housing and breaker of plastic casing are arranged side by side, and the operating mechanism includes support, rotor
Device, motor and transmission mechanism, it is characterised in that：The support includes installing plate, bottom plate and supporting plate, the installing plate
Including two side walls and a top plate, the upper surface of the side wall includes first level face, the second horizontal plane and connection first
The transition face of horizontal plane and the second horizontal plane, the height in the first level face is less than the second horizontal plane, and the top plate is connected to
On second horizontal plane of two side walls；What the lower end of described two side walls was fixed respectively is arranged on the housing and breaker of plastic casing
On；The bottom plate is fixed with the installing plate, and the bottom plate has mounting surface and the supporting part being arranged on mounting surface, the branch
Support part is arranged on the first level face；The supporting plate is fixed on the mounting surface and formed between the mounting surface
There is rotor arrangement installation cavity；The side wall and top plate and transmission mechanism installation cavity is formed between the mounting surface；It is described
Motor is arranged under the mounting surface and is placed in the housing, and the rotor arrangement is arranged in the rotor arrangement installation cavity
And with the motor connection, the transmission mechanism is arranged in the transmission mechanism installation cavity and driven and acted on by rotor arrangement
On breaker of plastic casing.
The transition face is vertical plane.
The supporting part is two, and an engaging groove is formed between two supporting parts；On first mounting surface
It is provided with and the lug boss for engaging groove cooperation.
The height of the lug boss is identical with the height of the supporting part.
The both sides of the mounting surface of described bottom plate have with for installing plate side wall fix upward bending part, it is described to
The first mounting hole fixed by fastener and installing plate is offered on upper bending part.
Also there is the fixed installation bending part of extension on the side wall of described installing plate, be fixedly mounted on bending part and offer
The second mounting hole fixed by fastener and housing and the 3rd mounting hole fixed by fastener and breaker of plastic casing.
Described supporting plate includes the first support feet, the second support feet and supporting surface, and in " Π " type, supporting surface corresponds to institute
The position of the top for the rotor arrangement stated is fixed on the mounting surface of bottom plate by first support feet and the second support feet at its two ends
On.
The operating mechanism of breaker of the present invention uses the support being made up of installing plate, bottom plate and supporting plate to be assembled,
The positioning and fixation of bottom plate, and the installation operation on the bottom plate in first level face are carried out by the first level face of installing plate side
The rotor arrangement of mechanism, installs transmission mechanism between bottom plate and top plate on the second horizontal plane, optimizes with electronic behaviour
Make the layout of the breaker of device, can Fast Installation, with compact conformation, small volume and safe and reliable advantage, and pass through
Fixed installation bending part under the wall of side realizes that fixed assembly is connected with housing and with breaker of plastic casing, structure height after splicing
On do not influence installation of the regular circuit breakers in switch cubicle, that is, realize the function of breaker automatic reclosing, conventional production realized again
The modular functionality of product.
Brief description of the drawings
Fig. 1 shows the general assembly drawing of the present invention；
Fig. 2 shows the internal structure schematic diagram of the present invention；
Fig. 3 shows the mounting structure schematic diagram for removing case 3 of the present invention；
Fig. 4 shows the mounting structure schematic diagram for removing case 3 of the present invention；
Fig. 5 shows the structural representation of electrically operated device 2 in the present invention；
Fig. 6 shows the structural representation of medium-height trestle 23 of the present invention；
Fig. 7 shows the structural representation of bottom plate 231 in the present invention；
Fig. 8 shows the structural representation of installing plate 232 in the present invention；
Fig. 9 shows the assembling explosive view of electrically operated device 2 in the present invention；
Figure 10 shows the assembling explosive view of electrically operated device 2 in the present invention.
Embodiment
As Figure 1-Figure 2, the present invention proposes a kind of breaker, including case 3 and the plastic housing under case 3 are broken
Road device 1 and electrically operated device 2.Undervoltage tripping device is added in breaker of plastic casing 1（Shown in Fig. 4, its set-up mode category
In known technology, and puzzlement will not be produced to the understanding of those skilled in the art, thus applicant repeats no more）, in cover
It is embedded with the right side of shell 3 transparent（Visually）Dividing plate 31, the position shape of the circuit breaker handle 11 of convenient observation breaker of plastic casing 1
State；The accommodating chamber 32 placed for external key handle 100 is offered on the left side of case 3；It is further opened with supplying on case 3
The handle hole 33 that electrically operated device 2 switches between manual operation mode and electric operation mode.
As shown in Fig. 3-Fig. 8, above-mentioned electrically operated device 2 includes housing 21 and operating mechanism, housing 21 and plastic housing open circuit
Device 1 is arranged side by side, and operating mechanism includes support 23, rotor arrangement 22, motor 24, switching device 25 and transmission mechanism 26.Institute
Stating support 23 includes bottom plate 231 and installing plate 232 and supporting plate 233, and the installing plate 232 is substantially in " several " font, including
Two side walls 2322, it is connected to the top plate 2321 of two sidewall uppers and respectively from the outside bending in each lower end of side wall 2322
Bending part 2323 is fixedly mounted.The upper surface of the side wall 2322 has stepped first level face and the second horizontal plane,
It is attached between first level face and the second horizontal plane using vertical transition face, lug boss is provided with first level face 2324
2325, bridge joint has top plate 2321 on the second horizontal plane of two side walls, and top plate 2321 can be integrally formed with side wall.
Side wall 2322 is arranged on the housing 21 and breaker of plastic casing 1, and with the fixed installation bending part of extension
2323, it is fixedly mounted and offers the second mounting hole 23231 fixed by fastener with housing 21 on bending part 2323 and pass through
The 3rd mounting hole 23232 that fastener is fixed with breaker of plastic casing 1.The bottom plate 231 has mounting surface 2312, the bottom plate
231 left side mounting surfaces are arranged on the first level face 2324, are offered and are pacified on the mounting surface 2312 of described bottom plate 231
Fill and be provided with the groove of the engaging with bottom plate 231 2313 on the engaging groove 2313 that plate 232 coordinates, described first level face 2324
The lug boss 2325 of engaging.The length direction both sides on the right side of bottom plate 231 have the upward bending part with being fixed for installing plate 232
2311, the first mounting hole 23111 is offered on the upward bending part 2311, by fastener through the through hole on side wall 2322
23221 and bending part 2311 on the first mounting hole 23111 bottom plate 231 is fixed with the installing plate 232, the side wall 2322
After being respectively fixedly connected with two bending parts 2311 of bottom plate 231 transmission mechanism installation cavity is formed between the mounting surface 2312
234.The supporting plate 233 is fixed on the mounting surface 2312 and rotor arrangement peace is formed between the mounting surface 2312
It behave affectedly 235.Rotor arrangement 22, motor 24, switching device 25 are provided with rotor arrangement installation cavity 235, the motor 24 is set
Put the mounting surface 2312 times in bottom plate 231 and be arranged in housing 21, the motor output shaft 241 of motor 24 is stretched over bottom plate 231
The top of mounting surface 2312 and be connected with rotor arrangement 22；Rotor arrangement 22 is placed in the top of mounting surface 2312 of bottom plate 231
And be set on the motor output shaft 241 of motor 24.It is provided with and is driven simultaneously by rotor arrangement 22 in transmission mechanism installation cavity 234
The transmission mechanism 26 acted on breaker of plastic casing 1, transmission mechanism 26 be slidably arranged on the mounting surface 2312 of bottom plate 231 with
The operation handle 11 of breaker of plastic casing 1 links.
Transmission mechanism 26 as shown in Figure 9 includes a sliding block 261 and a slide plate 262, and sliding block 261 is slidably arranged in foregoing
On the mounting surface 2312 of bottom plate 231, slide plate 262 is slidably arranged on sliding block 261, the glide direction and sliding block 261 of slide plate 262
Glide direction it is perpendicular, and slide plate 262 is engaged with foregoing rotor device 22.Have in the sliding block 261 disconnected with plastic housing
The U-shaped extension fingertip 2611 of the engaging linkage of operation handle 11 of road device 1.On the mounting surface 2312 of bottom plate 231 and in correspondence
Slider waveguide rod 263 is fixed with the position of sliding block 261, from diagram, the quantity of the slider waveguide rod 263 in the present embodiment there are that
This is laterally parallel a pair（Two）, on the hole 23112 for being located in the bending part 2311 of bottom plate 231, specifically, two sliding blocks
The two ends of guide rod 263 are respectively placed in the hole 23112 with the bending part 2311 of bottom plate 231, and the middle region of two slider waveguide rods 263
Domain is configured to the region slided for sliding block 261, i.e. slide block 261 is slidably disposed on two slider waveguide rods 263.Work as rotor
The rotation driving slide plate 262 of device 22 is acted, and drives the sliding block 261 to slide together by slide plate 262, so that U-shaped extension fingertip
2611 drive the operation handle 11 of breaker of plastic casing 1 to complete the action of splitting or integrating lock.
It is manual that foregoing rotor arrangement 22 includes driving plate 222 in driving plate 221, one, a drive shaft 223, one
Pivot 224, a clutch 225, a driving lever 226, drive shaft 243 are fixed between driving plate 222 and lower driving plate 221,
Clutch 225 is accommodated between upper driving plate 222 and lower driving plate 221, clutch 225 is driven with aforementioned motor output shaft 241 to be connected
Connect.Foregoing manual pivot 224 is engaged with upper driving plate 222, and handle groove 2241 is offered on manual pivot 224.Work as electricity
During dynamic operation, clutch 225 is in mutual engagement with lower driving plate 221, is driven by the motor output shaft 241 of motor 24
Clutch 225, by clutch 225 by the lower rotor driven device 22 of driving plate 221, and then drives slide plate by rotor arrangement 22
262 actions, drive the sliding block 261 to slide together, so as to drive the operation handle 11 of breaker of plastic casing 1 to complete by slide plate 262
Splitting or integrating lock is acted.And when operated, stirring the clutch 225 by driving lever 226 makes clutch 225 and lower driving plate 221
In the state being mutually disengaged, inserted by operator by external key handle 100 in the handle groove 2241 on manual pivot 224
To drive described rotor arrangement 22, the sliding block 261 is driven to slide together by slide plate 262, so as to drive breaker of plastic casing 1
Operation handle 11 completes the action of splitting or integrating lock.Rotor arrangement 22 moves clockwise and rotated forward, and closing operation can be achieved,
It is on the contrary then realize separating brake or detain operation again.
Continue such as Fig. 9 and combine shown in Figure 10, supporting plate 233 includes the first support feet 2331, the and of the second support feet 2332
Supporting surface 2333 is substantially in " Π " type, and the position that supporting surface 2333 corresponds to the top of foregoing rotor device 22 passes through its two ends
First support feet 2331 and the second support feet 2332 are fixed on the mounting surface 2312 of bottom plate 231,224 turns of foregoing manual pivot
The hub setting of dynamic ground is on supporting surface 2333.Second support feet 2332 has two symmetrical support bound feets 23321 and 23322, foregoing
The middle part of driving lever 226 is hinged on two symmetrical support bound feets 23321 and 23322, and being constituted in the first end 2261 of driving lever 226 has
One shift fork is engaged with clutch 225, and the second end 2262 of driving lever 226 is used for manually operated actuating.
Switching device 25 is slidably arranged in supporting plate 233, has changer lever 251 and actuator surface in switching device 25
252, under electric model, the changer lever 251 in switching device 25, which is placed in the handle hole 33 of case 3, can shelter from above-mentioned rotor dress
The manual pivot 224 on 22 is put, rotor arrangement 22 is realized with motor 24 to be coupled, then is turned by the positive of motor 24 or reversely
It is dynamic, add rotor arrangement 22, transmission mechanism 26, the operation handle 11 of breaker of plastic casing 1 and link, realize to breaker of plastic casing 1
Separating brake or closing operation；Under manual mode, the changer lever 251 of switching device 25 is removed, and is exposed for external key handle 100 and is inserted
Enter the manual pivot 224 on rotor arrangement 22, the actuator surface 252 of switching device 25 promotes the second end 2262 of driving lever 226, by dialling
Shift fork in the first end 2261 of bar 226 stirs aforementioned clutch 225, now, and clutch 225 is in phase with lower driving plate 221
The state mutually departed from, now rotor arrangement 22 be disconnected with coupling for motor 24, pass through external key handle 100 drive rotor fill
The manual pivot 224 on 22 is put, the operation handle 11 of rotor arrangement 22, transmission mechanism 26 and breaker of plastic casing 1 is activated successively
It is dynamic, realize the separating brake or closing operation to breaker of plastic casing 1.
Continue as shown in Figure 10, aforementioned drive mechanism 26 also includes slide plate back-moving spring 267, the slide plate back-moving spring
267 are arranged between sliding block 261 and slide plate 262 there is provided the restoring force of slide plate 262, it is moved to close to the direction of rotor arrangement 22
Dynamic, it is remote that one end of slide plate back-moving spring 267 is supported on slide plate 262 towards one end of slide plate 262（Deviate from）Drive rotor dress
Put 22 one end, and the other end of slide plate back-moving spring 267 i.e. be supported on towards one end of sliding block 261 on sliding block 261.Specifically
, slide plate back-moving spring 267, which is two, can provide the reset pulling force of balance, be respectively placed in the both ends of slide plate 262, its one end is hung on
In the recess 2621 opened up on slide plate 262, the other end is hung on the upward convex portion 2612 of sliding block 261.
Claims (7)
1. a kind of breaker, including case and breaker of plastic casing and electrically operated device under case, electric operating dress
Put including housing and operating mechanism, the housing and breaker of plastic casing are arranged side by side, the operating mechanism includes support, rotor and filled
Put, motor and transmission mechanism, it is characterised in that：The support includes installing plate, bottom plate and supporting plate, the installing plate bag
Two side walls and a top plate are included, the upper surface of the side wall includes first level face, the first water of the second horizontal plane and connection
The transition face of plane and the second horizontal plane, the height in the first level face is less than the second horizontal plane, and the top plate is connected to two
On second horizontal plane of individual side wall；What the lower end of described two side walls was fixed is arranged on the housing and breaker of plastic casing；Institute
State bottom plate to fix with the installing plate, the bottom plate has mounting surface and the supporting part being arranged on mounting surface, the supporting part
It is arranged on the first level face；The supporting plate, which is fixed on the mounting surface and is formed between the mounting surface, to be turned
Sub-device installation cavity；The side wall and top plate and transmission mechanism installation cavity is formed between the mounting surface；The motor
Be arranged under the mounting surface and be placed in the housing, the rotor arrangement be arranged in the rotor arrangement installation cavity and with
The motor connection, the transmission mechanism is arranged in the transmission mechanism installation cavity and is driven by rotor arrangement and act on plastic housing
On breaker.
2. a kind of breaker according to claim 1, it is characterised in that the transition face is vertical plane.
3. a kind of breaker according to claim 1, it is characterised in that the supporting part is two, in two supporting parts
Between be formed with an engaging groove；It is provided with the first level face and the lug boss for engaging groove cooperation.
4. a kind of breaker according to claim 3, it is characterised in that the height of the lug boss and the supporting part
It is highly identical.
5. a kind of breaker according to claim 1,2,3 or 4, it is characterised in that have in the both sides of the mounting surface
Offered on the upward bending part fixed with the side wall for the installing plate, the upward bending part by fastener and installing plate
The first fixed mounting hole.
6. a kind of breaker according to claim 1,2,3 or 4, it is characterised in that the side wall lower ends of the installing plate are also
Fixed installation bending part with extension, is fixedly mounted the second installation for offering and being fixed by fastener and housing on bending part
Hole and the 3rd mounting hole fixed by fastener and breaker of plastic casing.
7. a kind of breaker according to claim 1,2,3 or 4, it is characterised in that the supporting plate includes the first support
Pin, the second support feet and supporting surface, in " Π " type, supporting surface correspond to the position of the top of described rotor arrangement by its two
First support feet and the second support feet at end are fixed on the mounting surface of bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511022614.0A CN105448615B (en) | 2015-12-31 | 2015-12-31 | A kind of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511022614.0A CN105448615B (en) | 2015-12-31 | 2015-12-31 | A kind of breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105448615A CN105448615A (en) | 2016-03-30 |
| CN105448615B true CN105448615B (en) | 2017-10-13 |
Family
ID=55558696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511022614.0A Active CN105448615B (en) | 2015-12-31 | 2015-12-31 | A kind of breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105448615B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389886A (en) * | 2002-07-02 | 2003-01-08 | 常熟开关厂 | Joint structure between side plate and cover plate of breaker operating mechanism |
| CN1835142A (en) * | 2006-03-08 | 2006-09-20 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker electric operation gear |
| CN201069744Y (en) * | 2007-07-30 | 2008-06-04 | 常熟开关制造有限公司(原常熟开关厂） | Sliding block device for electric operation mechanism of the breaker |
| CN201946523U (en) * | 2011-01-31 | 2011-08-24 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker |
| CN103065884A (en) * | 2013-01-21 | 2013-04-24 | 温州市中基电子有限公司 | Controller of automatic reclosing lock |
| CN103700549A (en) * | 2014-01-06 | 2014-04-02 | 巨邦电气集团有限公司 | Manual and electric operating mechanism of circuit breaker and reclosing circuit breaker with operating mechanism |
| CN104409294A (en) * | 2014-12-25 | 2015-03-11 | 常熟开关制造有限公司(原常熟开关厂） | Electric operating mechanism of circuit breaker |
| CN104409295A (en) * | 2014-12-25 | 2015-03-11 | 常熟开关制造有限公司(原常熟开关厂） | Clutch device for electric operating mechanism of circuit breaker |
| CN205319111U (en) * | 2015-12-31 | 2016-06-15 | 常熟开关制造有限公司(原常熟开关厂） | Breaker |
-
2015
- 2015-12-31 CN CN201511022614.0A patent/CN105448615B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389886A (en) * | 2002-07-02 | 2003-01-08 | 常熟开关厂 | Joint structure between side plate and cover plate of breaker operating mechanism |
| CN1835142A (en) * | 2006-03-08 | 2006-09-20 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker electric operation gear |
| CN201069744Y (en) * | 2007-07-30 | 2008-06-04 | 常熟开关制造有限公司(原常熟开关厂） | Sliding block device for electric operation mechanism of the breaker |
| CN201946523U (en) * | 2011-01-31 | 2011-08-24 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker |
| CN103065884A (en) * | 2013-01-21 | 2013-04-24 | 温州市中基电子有限公司 | Controller of automatic reclosing lock |
| CN103700549A (en) * | 2014-01-06 | 2014-04-02 | 巨邦电气集团有限公司 | Manual and electric operating mechanism of circuit breaker and reclosing circuit breaker with operating mechanism |
| CN104409294A (en) * | 2014-12-25 | 2015-03-11 | 常熟开关制造有限公司(原常熟开关厂） | Electric operating mechanism of circuit breaker |
| CN104409295A (en) * | 2014-12-25 | 2015-03-11 | 常熟开关制造有限公司(原常熟开关厂） | Clutch device for electric operating mechanism of circuit breaker |
| CN205319111U (en) * | 2015-12-31 | 2016-06-15 | 常熟开关制造有限公司(原常熟开关厂） | Breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105448615A (en) | 2016-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102800505B (en) | Electric operation mechanism of switch | |
| CN100367438C (en) | Earth leakage breaker | |
| CN107146745B (en) | Electronic leakage circuit breaker | |
| CN104134589A (en) | Low-voltage circuit breaker with residual current trip device | |
| RU2464667C2 (en) | Device of protection against residual currents for power circuit breaker | |
| CN104091730B (en) | With the reclosing mechanism of residual current circuit breaker and the method for engaging and disengaging gear | |
| CN212783272U (en) | Residual current operated circuit breaker | |
| CN204029739U (en) | A kind of low-voltage circuit breaker with residual current trip gear | |
| CN105448615B (en) | A kind of breaker | |
| CN105070606B (en) | Automatic divide-shut brake miniature circuit breaker with quick acting switching-off function | |
| CN205319111U (en) | Breaker | |
| CN205159152U (en) | Dual -power automatic transfer switch | |
| CN201877374U (en) | Electric switch device and pressing releasing component of electric switch device | |
| CN100466141C (en) | Leakage circuit breaker | |
| CN205319112U (en) | Take circuit breaker of autoeclosing function | |
| CN106252172A (en) | A kind of autoreclose breaker | |
| CN106252176A (en) | Autoreclose breaker | |
| CN103811202B (en) | The cam on/off switch mechanism of device for switching | |
| CN108987194A (en) | The safety device unit of circuit-breaker and circuit-breaker | |
| CN100472693C (en) | Multifunctional coupled switch-fuse combined electrical equipment | |
| CN211828620U (en) | Primary and secondary fusion modular switch mechanism | |
| CN108461333B (en) | Linkage operating mechanism | |
| CN202307752U (en) | Electricity leakage protection device and circuit breaker | |
| KR20120077142A (en) | Moving breaking contact unit of moldedcase circuit breaker having emfa | |
| CN202513676U (en) | Intelligent remote controller matched with circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |