CN210110673U - Terminal row structure with three-position contact for drawer type circuit breaker - Google Patents
Terminal row structure with three-position contact for drawer type circuit breaker Download PDFInfo
- Publication number
- CN210110673U CN210110673U CN201921018826.5U CN201921018826U CN210110673U CN 210110673 U CN210110673 U CN 210110673U CN 201921018826 U CN201921018826 U CN 201921018826U CN 210110673 U CN210110673 U CN 210110673U
- Authority
- CN
- China
- Prior art keywords
- conducting strip
- butt joint
- contact
- touch panel
- groove
- 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
Images
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model discloses a withdrawable circuit-breaker is with terminal row structure of taking three position contacts, it is including fixing the contact group subassembly on the drawer seat shell, and fix the contact group subassembly under the withdrawable circuit-breaker body, secondary circuit that upper segment sub-assembly's butt joint groove II includes is with butt joint female groove I and position trigger with butt joint female groove II, butt joint female groove II includes three groups at least, three groups are fixed respectively in butt joint female groove II and are set up separation position conducting strip I, test position conducting strip II, hookup location conducting strip III, butt joint groove I includes with butt joint groove II position secondary circuit that corresponds with butt joint groove II position with butt joint male groove I and position trigger with butt joint male groove II, when the circuit breaker body moves to the drawer seat, when separation, experiment, hookup location, can upload trigger signal, compare current three position trigger device, production cost is controlled, contact capacity has been increased, The three-position state can be more visually indicated without adding an auxiliary contact, and the safety and the reliability of the circuit breaker are improved.
Description
Technical Field
The utility model relates to a low tension switchgear technical field specifically is a withdrawable circuit-breaker is with terminal row structure that has three position conversion trigger functions.
Background
The intelligent universal circuit breaker is used as a power-level protective electrical appliance, has the functions of overload, short circuit, phase loss, overvoltage, undervoltage, grounding protection and the like, can protect a circuit and electrical equipment from being damaged, and can also be used for grounding faults possibly existing in the circuit, so that the intelligent universal circuit breaker is trusted and used by vast power consumers.
The three-position indication function is to indicate the real-time state of the drawer type universal circuit breaker body, and the safety and the reliability of operation inspection are improved. At present, three-position indication functions on the market are all transformed on a drawer seat, generally through the structural form of a travel switch, the relative position of the drawer seat of a body cannot be visually indicated due to high cost, insufficient contact capacity and the need of additionally externally connecting a wiring terminal.
With the continuous improvement of the automation degree, places needing to indicate and upload three-position state signals are increasing day by day, and the existing three-position trigger structure can not meet the product development requirements due to the reasons of cost limitation, insufficient contact capacity, small internal space of the structure and the like.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a withdrawable circuit-breaker is with terminal row structure that has three position contacts has controlled manufacturing cost, has increased contact capacity, more audio-visual instruction three-position state, need not to add in addition auxiliary contact, improves the security, the reliability of circuit breaker.
In order to realize the purpose of the utility model, the utility model adopts the technical proposal that:
a terminal row structure with three-position contacts for a withdrawable circuit breaker comprises a contact group upper end subassembly fixed on a shell of a drawer seat and a contact group lower end subassembly fixed on a withdrawable circuit breaker body, wherein the contact group lower end subassembly comprises a lower terminal row seat, the lower terminal row seat is fixedly connected with the body and comprises wiring slot holes I distributed at intervals at the bottom and butt-joint slots I distributed at intervals at the front side of the upper end, the contact group upper end subassembly comprises an upper terminal row seat fixedly connected with the drawer seat and provided with wiring slot holes II distributed at intervals, the lower end is provided with butt-joint slots II distributed at intervals and staggered with the butt-joint slots I, a secondary circuit butt-joint female slot I and a position triggering butt-joint female slot II which comprise at least three groups of conducting strips, separation positions I, test positions II, I, II, Connecting position conducting strips III, wherein each butt joint groove I comprises a butt joint male groove I for a secondary circuit corresponding to the position of the butt joint groove II and a butt joint male groove II for position triggering, a universal conducting strip IV is arranged in each butt joint male groove II, the circuit breaker body moves towards the drawer seat, when the circuit breaker is at a separation position, the universal conducting strips IV in one group of butt joint male grooves II are in contact connection with the conducting strips I, and the conducting strips II and III are not in contact with the conducting strips IV at the corresponding positions; when the body moves to a test position, the conducting strip IV is in contact connection with the conducting strip II, and the conducting strip I and the conducting strip III are not in contact with the conducting strip IV at the corresponding positions; when this position shifts to hookup location, conducting strip IV is connected with the contact of conducting strip III, conducting strip I and conducting strip II and the conducting strip IV of corresponding position do not contact, conducting strip IV be provided with contact I, conducting strip I is provided with position touch panel I, conducting strip II is provided with position touch panel II, and conducting strip III is provided with position touch panel III, position touch panel I, position touch panel II, position touch panel III set up on the route of marcing of contact I, three group's conducting strips IV are respectively through contact I and position touch panel I, position touch panel II, the contact connection of position touch panel III.
And the separation position conducting strip I, the test position conducting strip II and the connection position conducting strip III are respectively and independently arranged in an independent butt joint female groove II.
Furthermore, the separation position conducting strip I, the test position conducting strip II and the connection position conducting strip III are arranged in two groups, and the multiple groups of conducting strips can improve the electrical clearance and improve the reliability of butt joint matching.
Contact I be elastic contact, when being connected with position touch panel I, position touch panel II, position touch panel III, to one side displacement, further, position touch panel I, position touch panel II, the III front ends of position touch panel be provided with the inclined plane, the contact of being convenient for is smooth and easy.
Contact I, position touch panel II, position touch panel III set up at same height, position touch panel I, position touch panel II, position touch panel III set up position department around the order, and contact I only can contact with position touch panel I, position touch panel II, position touch panel III on advancing the route, can not contact with other positions of fixed plate II.
The butt joint grooves I and the butt joint grooves II are arranged in a staggered mode, the lower end sub-assembly is in butt joint with the upper end sub-assembly conveniently, the butt joint grooves I are overlapped with the butt joint grooves II, conventional conducting piece groups are arranged in the butt joint female grooves I and the butt joint male grooves I, and after butt joint is conducted, circuits are conducted.
Conducting strip IV include fixed plate I, connecting plate, contact I, I vertical settings of fixed plate, be provided with wiring point I on the fixed plate I, fixed plate I is connected with contact I through the connecting plate, wiring point I is used for connecting the binding post in the wiring slotted hole I, fixed plate I is connected with butt joint public groove II, connecting plate, contact I set up in I upper end of fixed plate, be provided with the clearance between contact I and the fixed plate I.
Furthermore, fixed plate I and connecting plate are the slice, set up on the coplanar, contact I be the bent plate of setting vertically, its bight protrusion is overlooked the cross-section and is "﹀" shape, and bight protrusion face is the contact surface.
Conducting strip I, conducting strip II, conducting strip III all include fixed plate II of same structure, II upper end integral types of fixed plate are connected with wiring point II, the three difference lies in the position of position touch panel different, I integral type of position touch panel is connected in II front sides of fixed plate of conducting strip I, II connections of position touch panel are in II midsections of fixed plate of conducting strip II, II rear sides of fixed plate at conducting strip III are connected to position touch panel III.
The wiring point II is of a wiring screw structure and comprises a screw, a pressing plate with a through hole and an end plate with a bolt hole, the end plate is integrally connected with the fixing plate II, the screw penetrates through the pressing plate and is in threaded connection with the bolt hole, and a wire is pressed between the pressing plate and the end plate.
Furthermore, the fixing plate I and the fixing plate II are also provided with clamping plates for installation and positioning, the clamping plates are integrally connected with the fixing plate I or the fixing plate II, gaps are formed between the end parts of the clamping plates and the fixing plate I or the fixing plate II, and the fixing plate I or the fixing plate II is connected with the inner sides of the butt joint male groove II or the butt joint female groove II through the clamping plates; and a connecting hole is formed in the wiring point I.
Furthermore, proper protruding, bending and chamfering structures are added on the conductive parts in the butt joint groove I and the butt joint groove II so as to improve the matching reliability.
The working process of the utility model is that when the circuit breaker body moves towards the drawer seat, the conducting strip in the butt joint male groove I of the lower terminal contact assembly can contact with the conducting strip in the butt joint female groove I, so as to complete the circuit conduction for the secondary circuit, namely the function of the conventional butt joint terminal strip; in whole process, the utility model of present case lies in, and three group's conducting strips IV in the butt joint public groove II can be according to the degree that the body was marchd, respectively with the single contact connection one by one of detached position conducting strip I, test position conducting strip II, hookup location conducting strip III in the female groove II of solitary butt joint, realize that the circuit signal of three position department switches on to three position state signal is uploaded to the accuracy.
The utility model has the advantages that:
compare current three position indication constitutional unit, the utility model discloses controlled manufacturing cost, increased contact capacity, trigger switch's volume littleer, the contact more of same space mountable, this contact structural design is more reasonable reliable simultaneously, and the contact accuracy is high, the synchronism is high, and can accurately upload three position state signal, more audio-visual instruction three position state to improve the security, the reliability of circuit breaker.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a general conductive sheet IV of the present invention;
FIG. 3 is a schematic structural diagram of a conductive sheet I;
FIG. 4 is a schematic structural diagram of a conducting strip II;
FIG. 5 is a schematic view of a structure of a conductive sheet III;
fig. 6 is a schematic structural view of the drawer type circuit breaker of the present invention;
FIG. 7 is a schematic view of the embodiment of the present invention showing the connection in the separated position;
fig. 8 is a three-position state diagram according to the embodiment of the present invention.
1-lower terminal row seat, 2-wiring slot I, 3-butt slot I, 4-upper terminal row seat, 5-wiring slot II, 6-butt slot II, 7-conducting strip I, 8-conducting strip II, 9-conducting strip III, 10-conducting strip IV, 11-butt male slot II, 12-body, 13-drawer seat, 14-contact I, 15-fixing plate I, 16-connecting plate, 17-position contact plate I, 18-position contact plate II, 19-position contact plate III, 20-wiring point II, 21-wiring point I, 22-clamping plate and 23-fixing plate II.
Detailed Description
The patent of the present invention will be explained in detail with reference to the accompanying drawings, which show a terminal strip structure with three-position contacts for a withdrawable circuit-breaker, comprising a contact group upper terminal subassembly fixed on the casing of a drawer base 13 and a contact group lower terminal subassembly fixed on a withdrawable circuit-breaker body 12, wherein the contact group lower terminal subassembly comprises a lower terminal strip base 1, the lower terminal strip base 1 is fixedly connected with the body 12 and comprises wiring slot holes I2 arranged at intervals at the bottom and butt-joint slots I3 arranged at intervals at the front side of the upper end, the contact group upper terminal subassembly comprises an upper terminal strip base 4 fixedly connected with the drawer base 13 and provided with wiring slot holes II 5 arranged at intervals, the lower end is provided with butt-joint slots II 6 arranged at intervals and staggered with the butt-joint slots I3, the butt-joint slots II 6 comprise a secondary circuit butt-joint female slot I and a position triggering butt-joint female slot II, the butt joint female groove II at least comprises three groups, a separation position conducting strip I7, a test position conducting strip II 8 and a connection position conducting strip III 9 are fixedly arranged in the three groups of butt joint female grooves II respectively, the butt joint groove I3 comprises a butt joint male groove I for a secondary circuit corresponding to the position of the butt joint groove II 6 and a butt joint male groove II 11 for position triggering, a universal conducting strip IV 10 is arranged on the butt joint male groove II 11, the circuit breaker body 12 moves towards the drawer seat 13, when in a separation position, the universal conducting strip IV 10 in one group of butt joint male grooves II 11 is in contact connection with the conducting strip I7, and the conducting strip II 8 and the conducting strip III 9 are not in contact with the conducting strip IV 10 in the corresponding position; when the body 12 moves to a test position, the conducting strip IV 10 is in contact connection with the conducting strip II 8, and the conducting strip I7 and the conducting strip III 9 are not in contact with the conducting strip IV 10 at the corresponding positions; when the body 12 moves to a connection position, the conducting strip IV 10 is in contact connection with the conducting strip III 9, the conducting strip I7 and the conducting strip II 8 are not in contact with the conducting strip IV 10 in the corresponding position, the conducting strip IV 10 is provided with a contact I14, the conducting strip I7 is provided with a position touch panel I17, the conducting strip II 8 is provided with a position touch panel II 18, the conducting strip III 9 is provided with a position touch panel III 19, the position touch panel I17, the position touch panel II 18 and the position touch panel III 19 are arranged on a traveling path of the contact I14, and the three groups of conducting strips IV 10 are in contact connection with the position touch panel I17, the position touch panel II 18 and the position touch panel III 19 through the contact I14 respectively.
And the separation position conducting strip I7, the test position conducting strip II 8 and the connection position conducting strip III 9 are respectively and independently installed in the independent butt joint female groove II.
Further, separation position conducting strip I7, test position conducting strip II 8, hookup location conducting strip III 9 set up two sets ofly, and the multiunit setting can improve the electric clearance, improves the butt joint complex reliability.
Contact I14 be elastic contact, when being connected with position touch panel I17, position touch panel II 18, position touch panel III 19, to one side displacement, further, position touch panel I17, position touch panel II 18, position touch panel III 19 front end be provided with the inclined plane, the contact of being convenient for is smooth and easy.
Contact I14, position touch panel I17, position touch panel II 18, position touch panel III 19 set up at same height, position touch panel I17, position touch panel II 18, position touch panel III 19 set up in the front and back position department of order, and contact I14 only can contact with position touch panel I17, position touch panel II 18, position touch panel III 19 on the route, can not contact with other positions of fixed plate II 23.
The butt joint grooves I3 and the butt joint grooves II 6 are arranged in a staggered mode, the lower end sub-assemblies are conveniently in butt joint with the upper end sub-assemblies, the butt joint grooves I3 are overlapped with the butt joint grooves II 6, conventional conducting piece groups are arranged in the butt joint female grooves I and the butt joint male grooves I, and after butt joint is conducted, circuits are achieved.
Conducting strip IV 10 including fixed plate I15, connecting plate 16, contact I14, the vertical setting of fixed plate I15 is provided with wiring point I21 on the fixed plate I15, fixed plate I15 is connected with contact I14 through connecting plate 16, wiring point I21 is used for connecting the binding post in the wiring slotted hole I, fixed plate I15 is connected with butt joint public groove II 11, connecting plate 16, contact I14 set up in fixed plate I15 upper end, be provided with the clearance between contact I14 and fixed plate I15.
Furthermore, the fixing plate I15 and the connecting plate 16 are both in a sheet shape and are arranged on the same plane, the contact I14 is a vertically arranged bent plate, the bent part of the bent plate is convex, the cross section of the bent part is ﹀ in a top view, and the convex surface of the bent part is a contact surface.
Conducting strip I7, conducting strip II 8, conducting strip III 9 all include II 23 of fixed plate of same structure, II 23 upper end integral type of fixed plate are connected with wiring point II, the three difference lies in the position touch panel's position difference, II 23 front sides of fixed plate at conducting strip I7 are connected to position touch panel I17 integral type, position touch panel II 18 is connected in II 23 well sides of fixed plate at conducting strip II 8, II 23 rear sides of fixed plate at conducting strip III 9 are connected to position touch panel III 19.
The wiring point II 20 is of a wiring screw structure and comprises a screw, a pressing plate with a through hole and an end plate with a bolt hole, the end plate is integrally connected with the fixing plate II 23, the screw penetrates through the pressing plate and is in threaded connection with the bolt hole, and a wire is pressed between the pressing plate and the end plate.
Furthermore, the fixing plate I15 and the fixing plate II 23 are also provided with clamping plates 22 for installation and positioning, the clamping plates 22 are integrally connected with the fixing plate I15 or the fixing plate II 23, gaps are formed between the end parts of the clamping plates 22 and the fixing plate I15 or the fixing plate II 23, and the fixing plate I15 or the fixing plate II 23 is connected with the inner sides of the butt male grooves II 11 or the butt female grooves II through the clamping plates 22; and a connecting hole is formed in the wiring point I21.
Furthermore, proper protruding, bending and chamfering structures are added on the conductive parts in the butt joint grooves I3 and II 6 so as to improve the matching reliability.
The working process of the utility model is that when the circuit breaker body 12 moves towards the drawer base 13, the conducting strip in the butt joint male slot I of the lower terminal contact assembly can contact with the conducting strip in the butt joint female slot I, so as to complete the circuit conduction for the secondary circuit, namely the function of the conventional butt joint terminal row; in whole process, the utility model of present case lies in, and three group's conducting strips IV 10 in butt joint public groove II 11 can be according to the degree that body 12 was marchd, respectively with the single contact connection one by one of detached position conducting strip I7, experimental position conducting strip II 8, hookup location conducting strip III 9 in the female groove II of solitary butt joint, realize the circuit signal of three position department and switch on to three position state signal is uploaded to the accuracy.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications can be made without departing from the principle of the invention, and these modifications should be construed as the protection scope of the present invention without inventive effort.
Claims (9)
1. The utility model provides a withdrawable circuit-breaker is with terminal row structure of taking three-position contact, it is including fixing the contact group subassembly on drawer base shell, and fix the contact group subassembly under the withdrawable circuit-breaker body, contact group subassembly includes lower terminal row seat down, lower terminal row seat and body fixed connection, its wiring slot hole I of arranging including the interval of bottom, butt joint groove I that upper end front side interval was arranged, contact row subassembly includes the terminal row seat of upper end, it and withdrawable circuit-breaker fixed connection, be provided with the wiring slot hole II of arranging, the lower extreme is provided with the butt joint groove II that the interval was arranged, its and I staggered arrangement in butt joint groove, its characterized in that:
the butt joint groove II comprises a butt joint female groove I for a secondary circuit and a butt joint female groove II for position triggering, the butt joint female groove II at least comprises three groups, a separation position conducting strip I, a test position conducting strip II and a connection position conducting strip III are fixedly arranged in the three groups of butt joint female grooves II respectively, the butt joint groove I comprises a butt joint male groove I for the secondary circuit corresponding to the position of the butt joint groove II and a butt joint male groove II for position triggering, the butt joint male groove II is provided with a universal conducting strip IV, the circuit breaker body moves towards the drawer base, when in a separation position, the universal conducting strip IV in one group of butt joint male grooves II is in contact connection with the conducting strip I, and the conducting strip II and the conducting strip III are not in contact with the conducting strip IV; when the body moves to a test position, the conducting strip IV is in contact connection with the conducting strip II, and the conducting strip I and the conducting strip III are not in contact with the conducting strip IV at the corresponding positions; when this position shifts to hookup location, conducting strip IV is connected with the contact of conducting strip III, conducting strip I and conducting strip II and the conducting strip IV of corresponding position do not contact, conducting strip IV be provided with contact I, conducting strip I is provided with position touch panel I, conducting strip II is provided with position touch panel II, and conducting strip III is provided with position touch panel III, position touch panel I, position touch panel II, position touch panel III set up on the route of marcing of contact I, three group's conducting strips IV are respectively through contact I and position touch panel I, position touch panel II, the contact connection of position touch panel III.
2. The terminal block structure with three-position contacts for the withdrawable circuit-breaker according to claim 1, characterized in that: contact I, position touch panel II, position touch panel III set up at same height, position touch panel I, position touch panel II, position touch panel III set up position department around the order, and contact I only can contact with position touch panel I, position touch panel II, position touch panel III on advancing the route, can not contact with other positions of fixed plate II.
3. The terminal block structure with three-position contacts for the withdrawable circuit-breaker according to claim 1, characterized in that: conducting strip IV include fixed plate I, connecting plate, contact I, I vertical settings of fixed plate, be provided with wiring point I on the fixed plate I, fixed plate I is connected with contact I through the connecting plate, wiring point I is used for connecting the binding post in the wiring slotted hole I, fixed plate I is connected with butt joint public groove II, connecting plate, contact I set up in I upper end of fixed plate, be provided with the clearance between contact I and the fixed plate I.
4. The terminal block structure with three-position contacts for the withdrawable circuit-breaker according to claim 3, wherein: fixed plate I and connecting plate are the slice, set up on the coplanar, contact I be the bent plate of putting vertically, its bight protrusion overlooks the cross-section and is "﹀" shape.
5. The terminal block structure with three-position contacts for the withdrawable circuit-breaker according to claim 1, characterized in that: conducting strip I, conducting strip II, conducting strip III all include fixed plate II of same structure, II upper end integral types of fixed plate are connected with wiring point II, the three difference lies in the position of position touch panel different, I integral type of position touch panel is connected in II front sides of fixed plate of conducting strip I, II connections of position touch panel are in II midsections of fixed plate of conducting strip II, II rear sides of fixed plate at conducting strip III are connected to position touch panel III.
6. The terminal block structure with three-position contacts for the withdrawable circuit-breaker according to claim 5, wherein: the wiring point II is of a wiring screw structure and comprises a screw, a pressing plate with a through hole and an end plate with a bolt hole, the end plate is integrally connected with the fixing plate II, the screw penetrates through the pressing plate and is in threaded connection with the bolt hole, and a wire is pressed between the pressing plate and the end plate.
7. The terminal block structure with three-position contacts for the withdrawable circuit-breaker according to claim 5, wherein: the fixing plates I and II are also provided with clamping plates for installation and positioning, the clamping plates are integrally connected with the fixing plates I or II, gaps are formed between the end parts of the clamping plates and the fixing plates I or II, and the fixing plates I or II are connected with the inner sides of the butt joint male grooves II or the butt joint female grooves II through the clamping plates; and a connecting hole is formed in the wiring point I.
8. The terminal block structure with three-position contacts for the withdrawable circuit-breaker according to claim 1, characterized in that: and the separation position conducting strip I, the test position conducting strip II and the connection position conducting strip III are respectively and independently arranged in an independent butt joint female groove II.
9. The terminal block structure with three-position contacts for the withdrawable circuit-breaker according to claim 1, characterized in that: the separation position conducting strip I, the test position conducting strip II and the connection position conducting strip III are arranged in two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921018826.5U CN210110673U (en) | 2019-07-03 | 2019-07-03 | Terminal row structure with three-position contact for drawer type circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921018826.5U CN210110673U (en) | 2019-07-03 | 2019-07-03 | Terminal row structure with three-position contact for drawer type circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210110673U true CN210110673U (en) | 2020-02-21 |
Family
ID=69567887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921018826.5U Active CN210110673U (en) | 2019-07-03 | 2019-07-03 | Terminal row structure with three-position contact for drawer type circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210110673U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233086A (en) * | 2019-07-03 | 2019-09-13 | 山东泰开电工电器有限公司 | A kind of terminal block structure of open frame circuit breaker three position contact of band |
-
2019
- 2019-07-03 CN CN201921018826.5U patent/CN210110673U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233086A (en) * | 2019-07-03 | 2019-09-13 | 山东泰开电工电器有限公司 | A kind of terminal block structure of open frame circuit breaker three position contact of band |
| CN110233086B (en) * | 2019-07-03 | 2024-02-13 | 山东泰开电工电器有限公司 | Terminal strip structure with three-position contacts for drawer-type circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104393495B (en) | Compatible socket puts through bus both sides distribution PDU in exporting with cable | |
| US9385445B2 (en) | Composite intelligent terminal wiring device and plug device | |
| CN111276930B (en) | Duplex relay protection pressing plate with state monitoring function | |
| CN210110673U (en) | Terminal row structure with three-position contact for drawer type circuit breaker | |
| CN205645707U (en) | Universal circuit breaker | |
| CN204167562U (en) | Copper sheet draw-in groove | |
| CN204332855U (en) | A kind of binding post of circuit breaker | |
| CN204179497U (en) | PDU multifunctional panel module | |
| CN110233086B (en) | Terminal strip structure with three-position contacts for drawer-type circuit breaker | |
| CN202917818U (en) | Circuit breaker for wiring | |
| CN215528023U (en) | Universal type double-gun direct-current charging pile gun head integrated module | |
| CN202019075U (en) | Converter socket | |
| CN211126463U (en) | Electric guide rail | |
| CN104393496B (en) | The highly reliable PDU of insertion bus plug-in super large load capacity annular distribution | |
| CN211579029U (en) | Three-phase push-type wiring terminal | |
| CN210156742U (en) | Low-voltage fixed-interval cabinet | |
| CN108054638B (en) | Power distribution system | |
| CN214099534U (en) | Built-in series structure of direct-current plastic shell type circuit breaker | |
| CN210110684U (en) | Auxiliary contact structure for universal circuit breaker | |
| CN201230068Y (en) | Connecting terminal having earthing protection | |
| CN204304223U (en) | The highly reliable PDU of through bus plug-in super large load capacity annular distribution | |
| CN220526839U (en) | Residual current operated circuit breaker | |
| CN217983233U (en) | Novel leakage electric conduction system | |
| CN216213077U (en) | Jumping connection external member | |
| CN116130305B (en) | Plug-in low-voltage circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |