CN208336125U - Modularized molded-case circuit breaker - Google Patents
Modularized molded-case circuit breaker Download PDFInfo
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- CN208336125U CN208336125U CN201821006475.1U CN201821006475U CN208336125U CN 208336125 U CN208336125 U CN 208336125U CN 201821006475 U CN201821006475 U CN 201821006475U CN 208336125 U CN208336125 U CN 208336125U
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- pedestal
- mutual inductor
- top plate
- mandril
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Abstract
The utility model provides a kind of Modularized molded-case circuit breaker, and Modularized molded-case circuit breaker includes pedestal (1), operating mechanism (3), communication unit (22) and trip unit (4)；The operating mechanism (3), the communication unit (22) and the trip unit (4) are modular construction, integrated to be assembled to the pedestal (1)；Trip unit (4) includes pedestal (7), upper cover (13), mutual inductor (16), busbar (21), magnetic flux buckle releaser (8), elastic element (10), top plate (14) and mandril (12)；Mutual inductor uses two coil configuration.Advantage are as follows: breaker of plastic casing is a kind of modular organization, have install it is simple, full-featured, be easy to extend, strong breaking capacity and high reliability.
Description
Technical field
The utility model belongs to low-voltage circuit breaker technical field, and in particular to a kind of Modularized molded-case circuit breaker.
Background technique
The following breaker develops towards " miniaturization, intelligence " direction, and as power grid is to the performance and function of breaker
The requirement of energy is constantly promoted, and the breaking capacity of existing breaker is not able to satisfy the market demand gradually, for the continuous change in market
Change, needs to research and develop the breaker of new type.
In addition, the measurement part of existing low-pressure plastic shell circuit breaker uses single coil structure, measurement accuracy when switch short
Poor with reliability, high current easily causes malfunction.Trip unit is a kind of non-modularization structure, protective performance and productibility
It is poor, be no longer satisfied Times ' Demand.
Utility model content
In view of the defects existing in the prior art, the utility model provides a kind of Modularized molded-case circuit breaker, can effectively solve
The above problem.
The technical solution adopted in the utility model is as follows:
The utility model provides a kind of Modularized molded-case circuit breaker, including pedestal (1), operating mechanism (3), communication unit
(22) and trip unit (4)；
The operating mechanism (3), the communication unit (22) and the trip unit (4) are modular construction, are integrated
It is assembled to the pedestal (1)；
Wherein, the trip unit (4) includes that pedestal (7), upper cover (13), mutual inductor (16), busbar (21), magnetic flux are de-
Detain device (8), elastic element (10), top plate (14) and mandril (12)；The magnetic flux buckle releaser (8) is installed on the pedestal (7)
The front end of upper space, the magnetic flux buckle releaser (8) connects executive item (9), is equipped in front of the executive item (9) described
Top plate (14)；When the executive item (9) forward motion, the top plate (14) is driven to rotate along rotary shaft；The magnetic flux tripping
The rear end of device (8) is arranged the elastic element (10) and is limited；The mandril (12) is installed using floating structure, the mandril
(12) front cooperates with the top plate (14) with limit, the rear portion of the mandril (12) and earth leakage protective device is merged；Work as leakage
After electrical protective device movement, the mandril (12) is driven to travel forward, mandril (12) front is contacted with the top plate (14)
After drive the top plate (14) along rotary shaft rotate；
The interior axially bored line of the mutual inductor (16) is parallel with pedestal (1) bottom surface, and the mutual inductor (16) uses two-wire loop knot
Structure, including loop A (19), shell A (17), coil B (20) and shell B (18)；The loop A (19) is mounted on the shell A
(17) in, the output line of the loop A (19) is exported by the upper hole of the shell A (17)；The coil B (20) is mounted on
In the shell B (18), the output line of the coil B (20) is exported by the upper hole of the shell B (18)；The shell A
(17) it is installed together and fixes with the shell B (18)；One end of the busbar (21) is located at the outer of the shell B (18)
Portion extends to institute after the other end of the busbar (21) passes through the centre bore of the loop A (19) and the coil B (20)
State the outside of (17) shell A, the mutual inductor (16) and the busbar (21) non-contact installation, the extremely conductive measurement system of composition one
System；
The operating mechanism (3) includes handle (6) and push rod (5)；The push rod (5) and the handle (6) are mounted on machine
On structure；When the trip unit (4) needs to be implemented tripping, the top plate (14) rotates along rotary shaft, after rotating certain stroke,
It is contacted with the push rod (5), and the push rod (5) is further driven to rotate, operating mechanism (3) is threaded off after reaching tripping stroke.
Preferably, the trip unit (4) includes protecting crust (11)；
The protecting crust (11) is individual part, is provided with wire restraint structure and mutual inductor by bit architecture, the protection
Shell (11) is fixed with pedestal (7) with installation is merged by fixed card buckle.
Preferably, the quantity of the mutual inductor (16) is identical as product number of poles.
Preferably, the exterior face and bottom groove of the shell A (17) and the shell B (18) and pedestal (7) cooperation are fixed
Position.
Preferably, the communication unit (22) includes bottom case (23), upper casing (24), terminal A (25) and terminal B (26)；End
Sub- B (26) connect with the terminal C (27) in trip unit (4), and terminal A (25) is connect with external equipment carries out signal output.
Modularized molded-case circuit breaker provided by the utility model has the advantage that
Breaker of plastic casing be a kind of modular organization, have install it is simple, full-featured, be easy to extend, strong breaking capacity
And high reliability.
Detailed description of the invention
Fig. 1 is the overall structure figure of breaker of plastic casing provided by the utility model；
Fig. 2 is the decomposition chart of trip unit provided by the utility model；
Fig. 3 is the assembling assumption diagram of trip unit provided by the utility model；
Fig. 4 is the inside Facad structure figure of trip unit provided by the utility model；
Fig. 5 is the inside backside structure figure of trip unit provided by the utility model；
Fig. 6 is the top view of trip unit provided by the utility model；
Fig. 7 is the location diagram of magnetic flux buckle releaser, elastic element, top plate and mandril；
Fig. 8 is perspective view of the mutual inductor provided by the utility model under an angle；
Fig. 9 is perspective view of the mutual inductor provided by the utility model under another angle；
Figure 10 is the decomposing state figure of mutual inductor provided by the utility model；
Figure 11 is the assembling relationship figure of loop A and shell A；
Figure 12 is the assembling relationship figure of coil B and shell B；
Figure 13 is schematic diagram of threading off when breaker protection act；
Figure 14 detains schematic diagram when being breaker protection act again；
Figure 15 is schematic diagram of threading off when breaker earth leakage protective acts；
Figure 16 is that breaker earth leakage protective detains schematic diagram when acting again；
Figure 17 is installation diagram of the communication unit on pedestal；
Figure 18 is the perspective view of communication unit；
Figure 19 is the scheme of installation of communication unit.
Wherein:
1 pedestal, 2 middle covers, 3 operating mechanisms, 4 trip units, 5 push rods, 6 handles, 7 pedestals, 8 magnetic flux buckle releasers, 9 execute
Part, 10 elastic elements, 11 protecting crusts, 12 mandrils, 13 upper covers, 14 top plates, 15 controllers, 16 mutual inductors, 17 shell A, 18 shells
B, 19 loop As, 20 coil B, 21 busbars, 22 communication units, 23 bottom cases, 24 upper casings, 25 terminal A, 26 terminal B, 27 terminal C.
Specific embodiment
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below
In conjunction with accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific implementation described herein
Example only to explain the utility model, is not used to limit the utility model.
In order to cope with new demand of the power grid to breaker, it is proposed that a kind of modular organization, installation is simple, function is complete
Face is easy to extend, the novel electron breaker of plastic casing of strong breaking capacity and high reliablity.
With reference to attached drawing, a kind of Modularized molded-case circuit breaker provided by the utility model, with reference to Fig. 1, including pedestal 1, operation
Mechanism 3, communication unit 22 and trip unit 4；Operating mechanism 3, communication unit 22 and trip unit 4 are modular construction, collection
At being assembled to pedestal 1.Breaker is double breaking points, modular construction.Trip unit 4 is mounted on pedestal 1 as protective module, is taken off
Button unit 4 directly or indirectly acts on operating mechanism 3 and carries out various protection trippings.Communication unit 22 and trip unit 4 and outside
Equipment connection, realizes communication function.
Trip unit 4, operating mechanism 3 and communication unit 22 are described in detail separately below:
(1) trip unit 4
Trip unit 4 is modularization absolute construction, is mounted on pedestal 1 as protection location, solid by screw with pedestal 1
It is fixed.Trip unit 4 directly or indirectly acts on operating mechanism 3 and carries out various protection trippings.The expansible communication function of breaker, leakage
Electric protection function, and design has corresponding interface or driving device.Mandril is mounted on pedestal 7, after installing electric leakage module
Earth leakage protective can be carried out, drives operating mechanism 3 to thread off by top plate 14, top plate 14 drives mandril 12 to reset.
Trip unit 4 includes pedestal 7, upper cover 13, mutual inductor 16, busbar 21, magnetic flux buckle releaser 8, elastic element 10, top
Plate 14 and mandril 12.
Specifically, trip unit 4 is de- including upper cover 13, pedestal 7, mutual inductor 16, busbar 21, magnetic flux with reference to Fig. 2-Fig. 7
Detain the components such as device 8, top plate 14, protecting crust 11, controller 15, mandril 12.Installation controller 15 and parameter setting in upper cover 13
Device etc., ensure that adjustment parameter device and 13 matching hole of upper cover to neutrality, 13 front of upper cover is provided with attachment position limiting structure,
Cooperate attachment installation, upper cover 13 and the installation of pedestal 7 are fixed.Magnetic flux buckle releaser 8 is mounted on pedestal 7, and mutual inductor 16 is mounted on base
On seat 7,21 one end of busbar is bolted with static contact, and the other end is as breaker outgoing line end.Protecting crust 11 is independent
Part protects trip unit 4, is provided with wire restraint structure and mutual inductor 16 allows bit architecture, be mounted on pedestal 7,
It is fixed with pedestal 7 with installation is merged by fixed card buckle and other structures.
(1.1) magnetic flux buckle releaser
Magnetic flux buckle releaser 8 is installed on the upper space of pedestal 7, and with reference to Fig. 6 and Fig. 7, the front end connection of magnetic flux buckle releaser 8 is held
Row part 9 is equipped with top plate 14 in the front of executive item 9；When 9 forward motion of executive item, driving top plate 14 is rotated along rotary shaft；
The rear end setting elastic element 10 of magnetic flux buckle releaser 8 is limited；Mandril 12 using floating structure install, the front of mandril 12 with
Top plate 14 cooperates with limit, the rear portion of mandril 12 and earth leakage protective device is merged；After earth leakage protective device movement, mandril is driven
12 travel forward, and driving top plate 14 is rotated along rotary shaft after 12 front of mandril is contacted with top plate 14；
As it can be seen that magnetic flux buckle releaser 8 is built in trip unit 4, using shielding EMI enclosure, have preferable anti-interference
Property.Magnetic flux buckle releaser 8 is mounted on the pedestal 7 of trip unit 4, is threaded off by the push rod 5 in 14 driving mechanism 3 of top plate,
Handle 6 pushes executive item 9 to reset magnetic flux buckle releaser 8 by top plate 14.8 rear portion elastic elements 10 of magnetic flux buckle releaser are right
8 stroke of magnetic flux buckle releaser compensates.
Trip unit 4 further includes protecting crust 11, and protecting crust 11 is individual part, is provided with wire restraint structure and mutual inductor
Allow bit architecture, protecting crust 11 installs fixation with merging by fixed card buckle and pedestal 7.Protecting crust 11 passes through fixed structure and pedestal
7 cooperations are fixed, and are protected entire module, are prevented disjunction gas and electric arc from entering inside trip unit 4, in structure, mention
Degree of protection in high 4 all directions of trip unit.
(1.2) mutual inductor
The interior axially bored line of mutual inductor 16 is parallel with 1 bottom surface of pedestal, and the quantity of mutual inductor 16 is identical as product number of poles.Mutual inductor
16 use two coil configuration, and each coil is arranged separately in a shell, carry out insulation processing in shell endface position, improve
The protective performance of coil.Shell where two coils can be snapped together by the fixation device at edge, and composition one is extremely mutually
Sensor, every pole use one group of coil.Mutual inductor is mounted on busbar 21 and measures.Mutual inductor and the composition of busbar 21 one
Pole, three pole products use three groups of mutual inductors, and quadrupole uses four groups of mutual inductors.Each mutual inductor output end is connected with controller 15,
Mutual inductor 16 and the independent location and installation of busbar 21, after installation 16 inner hole of mutual inductor it is circumferential with busbar 21 there are electric clearance,
There are two aspect advantages, first is that improving 16 reliability of electric insulating quality and mutual inductor, second is that reducing by 16 temperature rise of mutual inductor, extension makes
Use the service life.
Specifically, mutual inductor 16 includes loop A 19, shell A17, coil B20 and shell B18 with reference to Fig. 8-Figure 12；Coil
A19 is mounted in shell A17, and the output line of loop A 19 is exported by the upper hole of shell A17；Coil B20 is mounted on shell
In B18, the output line of coil B20 is exported by the upper hole of shell B18；Its end face is adopted after loop A 19, coil B20 installation
Take insulation processing.Two-part structure is installed together and is fixed by the fixation device on shell A17, shell B18, forms mutual inductance
Device 16.Axially bored line is parallel with 1 bottom surface of pedestal in mutual inductor 16.Mutual inductor 16 is packed into busbar 21, one end position of busbar 21
In the outside of shell B18, after the other end of busbar 21 passes through the centre bore of loop A 19 and coil B20, shell A17 is extended to
Outside, the extremely conductive measuring system of composition one, 16 quantity of mutual inductor is identical as product number of poles.Mutual inductor 16 with busbar 21 is non-connects
Touching is installed and is had preferably to neutrality, and measurement accuracy and dielectric properties can be high.Lug is conducting wire wiring guidance at the top of shell A17
Device, code wire and busbar 21.Shell A17, shell B18 exterior face and bottom groove and pedestal 7 on mutual inductor 16 is fixed
Position, limitation mutual inductor 16 move, and improve measurement accuracy under vibration condition.
(2) operating mechanism
Operating mechanism 3 includes handle 6 and push rod 5；Push rod 5 and handle 6 are mounted in mechanism；When the needs of trip unit 4 are held
When row tripping, top plate 14 is rotated along rotary shaft, after rotating certain stroke, is contacted with push rod 5, and further driving push rod 5 rotates,
Operating mechanism 3 is threaded off after reaching tripping stroke.
(3) communication unit
The expansible communication function of breaker, and design has corresponding interface or driving device.Communication unit 22 is installed
On 3 right side of operating mechanism, it is connect by terminal B26 with trip unit 4, the other end is fixed by screws on middle cover 2, passes through end
Sub- A25 output receives communication signal.Controller is input a signal by terminal B26 after the reception communication signal of communication unit 22
15, the tripping of 15 control magnetic flux buckle releaser 8 of controller or other devices carry out corresponding operating.
With reference to Figure 17-Figure 19, communication unit 22 uses modular construction, and communication unit 22 is by bottom case 23, upper casing 24, terminal
The part such as A25, terminal B26 forms.Terminal B26 is connect with the terminal C27 in trip unit 4, and terminal A25 is connect with external equipment
Carry out signal output.Communication unit 22 is fixed on the positioning by its exterior face and terminal B26, fixation hole.According to work when installation
Make orientation and communication unit 22 is placed in 3 right side installation site of operating mechanism, confined planes is reached after contacting with middle cover 2, by terminal
Terminal C27 in B26 and trip unit 4 cooperates, and pushes communication unit 22 to move to 4 direction of trip unit, 23 location hole of bottom case
It is installed in place after being aligned with 2 location hole of middle cover, fixing screws is installed, installation is completed after tightening.
The utility model design feature is as follows:
(1) trip unit 4 is absolute construction, including upper cover 13, pedestal 7, mutual inductor 16, busbar 21, magnetic flux buckle releaser
8, the components such as top plate 14, protecting crust 11, controller 15, mandril 12.Controller 15, the setting of 13 front of upper cover are installed in upper cover 13
There is attachment position limiting structure, attachment can be cooperated to install, upper cover 13 and the installation of pedestal 7 are fixed.Magnetic flux buckle releaser 8, mutual inductor 16, mandril
12 are mounted on pedestal 7.Protecting crust 11 be individual part, trip unit 4 is protected, be provided with wire restraint structure and mutually
Sensor 16 allows bit architecture, is mounted on pedestal 7, and buckle can be used and fix, other modes can also be used.
Wherein, mandril 12 is individual part, is mounted on pedestal 7, using floating structure, by pedestal 7 and upper cover 13 into
Row positioning, mandril 12 can only move in one direction.12 front of mandril is filled with top plate 14 with limit, rear portion and electric leakage tripping is merged
Set cooperation.Mandril 12 drives the tripping of 14 lead agency 3 of top plate to carry out earth leakage protective.
(2) mutual inductor 16 uses two coil configuration.Each coil is arranged separately in a shell, and insulation position is taken in end face
Reason, two shells, which are fixed together, forms mutual inductor 16, shell A17 lug be wire structures, 16 output line of isolation transformer with
Busbar.
Loop A 19, coil B20 in mutual inductor 16 are absolute construction, and function may be the same or different, and circle can be used
Other shapes can be used, insulating layer is set between two coils, is fixed in corresponding shell.Shell A17, shell B18 can be used
It buckles but is not limited to buckle, the combination that other one or more of modes can also be used is installed, and buckle orientation can be identical
It is different.
(3) magnetic flux buckle releaser 8 is absolute construction, and metal enclosed shell is mounted on pedestal 7, end elastic elements
10, stroke compensation can be carried out when resetting operation.
(4) communication unit 22 uses modular construction, is fixedly connected with trip unit 4 by terminal.It will when installation
Communication unit 22 is put into mechanism right area, pushes communication unit 22 to close to 13 direction of upper cover, utilizes screw and limit afterwards in place
Position hole is fixed.
The utility model also provides a kind of tripping method of Modularized molded-case circuit breaker, including controller control tripping and leakage
Electric protection tripping both of which:
The method of controller control tripping are as follows:
In Figure 13, magnetic flux buckle releaser 8 is mounted on pedestal 7, is fixed by elastic element 10 and pedestal 7.Magnetic
After logical buckle releaser 8 receives the action signal that controller 15 issues, the executive item 9 in magnetic flux buckle releaser 8 drives top plate 14 along rotation
Axis rotation, contacts after rotating certain stroke with the push rod 5 on operating mechanism 3, and driving push rod 5 rotates after contact, so that band is started
Handle 6 rotates, and operating mechanism 3 is threaded off after reaching tripping stroke, and executive item 9 is in ejected position after tripping；
In Figure 14, when needing to detain again, rotational handle 6 is detained operation again, and handle 6 drives top after contacting with top plate 14
Plate 14 is rotated backward around rotary shaft, and top plate 14 drives the executive item 9 of magnetic flux buckle releaser 8 is mobile to reset, the execution of magnetic flux buckle releaser 8
8 mass motion of magnetic flux buckle releaser is until operating mechanism 3 is detained again, then is detained back handle 6 and reached stroke end after part 9 reaches return stroke
End, magnetic flux buckle releaser 8 reset；Combined floodgate back handle 6 is disengaged with top plate 14, and elastic element 10 drives magnetic flux buckle releaser 8 to restore
To initial position, a working cycles are completed；
The method of earth leakage protective tripping are as follows:
In Figure 15, mandril 12 is mounted on pedestal 7, using floating structure, is positioned by pedestal 7 and upper cover 13, top
Bar 12 can only move in one direction, and 12 front of mandril cooperates with top plate 14 with limit, rear portion and disengaging deivce of earth leakage is merged.Leakage
After electrical protective device movement, driving mandril 12 travels forward, and driving top plate 14 is around rotation after 12 front of mandril is contacted with top plate 14
Axis rotation, contacts after rotating certain stroke with the push rod 5 on operating mechanism 3, and driving push rod 5 rotates after contact, reaches tripping row
The movement of operating mechanism 3 tripping after journey；
In Figure 16, after earth leakage protective device resets, driving handle 6 is detained operation again, it may be assumed that handle 6 drives top plate
14 rotate backward around rotary shaft, and top plate 14 drives mandril 12 to move backward, and operating mechanism 3 detains back handle 6 again and reaches end of travel,
Mandril 12 is restored to initial position.
Modularized molded-case circuit breaker provided by the utility model, breaker use modular construction, can carry out Function Extension.
Trip unit is absolute construction, and built-in magnetic flux buckle releaser can carry out protection tripping.Mutual inductor uses two coil configuration, and shell is set
There are wire structures, mutual inductor is installed protecting crust, is isolated with contact part, mutual inductor is fixed with busbar location-independent.It is built-in to connect
Mouthful and action element can connecting communication unit and leakage protection module, there is novel design, structure is simple, full-featured, is easy to
The advantages of extension, strong breaking capacity and high reliablity.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching should also regard the protection scope of the utility model.
Claims (5)
1. a kind of Modularized molded-case circuit breaker, which is characterized in that including pedestal (1), operating mechanism (3), communication unit (22) and
Trip unit (4)；
The operating mechanism (3), the communication unit (22) and the trip unit (4) are modular construction, integrate assembly
To the pedestal (1)；
Wherein, the trip unit (4) includes pedestal (7), upper cover (13), mutual inductor (16), busbar (21), magnetic flux buckle releaser
(8), elastic element (10), top plate (14) and mandril (12)；The magnetic flux buckle releaser (8) is installed on the top of the pedestal (7)
The front end in space, the magnetic flux buckle releaser (8) connects executive item (9), is equipped with the top plate in front of the executive item (9)
(14)；When the executive item (9) forward motion, the top plate (14) is driven to rotate along rotary shaft；The magnetic flux buckle releaser (8)
Rear end the elastic element (10) be set limited；The mandril (12) is installed using floating structure, the mandril (12)
Front and the top plate (14) with merging limit, the rear portion of the mandril (12) and earth leakage protective device cooperation；When electric leakage is protected
After protection unit movement, the mandril (12) is driven to travel forward, mandril (12) front and the top plate (14) contact rear-guard
The top plate (14) is moved to rotate along rotary shaft；
The interior axially bored line of the mutual inductor (16) is parallel with pedestal (1) bottom surface, and the mutual inductor (16) uses two coil configuration, packet
Include loop A (19), shell A (17), coil B (20) and shell B (18)；The loop A (19) is mounted on the shell A (17)
In, the output line of the loop A (19) is exported by the upper hole of the shell A (17)；The coil B (20) is mounted on described
In shell B (18), the output line of the coil B (20) is exported by the upper hole of the shell B (18)；The shell A (17)
It is installed together and fixes with the shell B (18)；One end of the busbar (21) is located at the outside of the shell B (18),
After the other end of the busbar (21) passes through the centre bore of the loop A (19) and the coil B (20), extend to described outer
The outside of shell A (17), the mutual inductor (16) and the busbar (21) non-contact installation, the extremely conductive measuring system of composition one；
The operating mechanism (3) includes handle (6) and push rod (5)；The push rod (5) and the handle (6) are mounted in mechanism；
When the trip unit (4) needs to be implemented tripping, the top plate (14) rotates along rotary shaft, after rotating certain stroke, with institute
Push rod (5) contact is stated, and the push rod (5) is further driven to rotate, operating mechanism (3) is threaded off after reaching tripping stroke.
2. Modularized molded-case circuit breaker according to claim 1, which is characterized in that the trip unit (4) includes protection
Shell (11)；
The protecting crust (11) is individual part, is provided with wire restraint structure and mutual inductor by bit architecture, the protecting crust
(11) it is fixed with pedestal (7) with installation is merged by fixed card buckle.
3. Modularized molded-case circuit breaker according to claim 1, which is characterized in that the quantity and production of the mutual inductor (16)
Grade number is identical.
4. Modularized molded-case circuit breaker according to claim 1, which is characterized in that the shell A (17) and the shell B
(18) exterior face and bottom groove and pedestal (7) cooperation positions.
5. Modularized molded-case circuit breaker according to claim 1, which is characterized in that the communication unit (22) includes bottom case
(23), upper casing (24), terminal A (25) and terminal B (26)；Terminal B (26) is connect with the terminal C (27) in trip unit (4), end
Sub- A (25) connect with external equipment carries out signal output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821006475.1U CN208336125U (en) | 2018-06-28 | 2018-06-28 | Modularized molded-case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821006475.1U CN208336125U (en) | 2018-06-28 | 2018-06-28 | Modularized molded-case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208336125U true CN208336125U (en) | 2019-01-04 |
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ID=64785491
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821006475.1U Active CN208336125U (en) | 2018-06-28 | 2018-06-28 | Modularized molded-case circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115148556A (en) * | 2022-09-01 | 2022-10-04 | 浙江正泰电器股份有限公司 | Integrated protection module and circuit breaker |
-
2018
- 2018-06-28 CN CN201821006475.1U patent/CN208336125U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115148556A (en) * | 2022-09-01 | 2022-10-04 | 浙江正泰电器股份有限公司 | Integrated protection module and circuit breaker |
| CN115148556B (en) * | 2022-09-01 | 2024-01-23 | 浙江正泰电器股份有限公司 | Integrated protection module and circuit breaker |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |