CN216085618U - Three-phase power supply distributor - Google Patents

Three-phase power supply distributor Download PDF

Info

Publication number
CN216085618U
CN216085618U CN202122709845.6U CN202122709845U CN216085618U CN 216085618 U CN216085618 U CN 216085618U CN 202122709845 U CN202122709845 U CN 202122709845U CN 216085618 U CN216085618 U CN 216085618U
Authority
CN
China
Prior art keywords
socket
group
sockets
branch
fuse
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
Application number
CN202122709845.6U
Other languages
Chinese (zh)
Inventor
马德英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Electric Eel Technology Co ltd
Original Assignee
Tianjin Electric Eel Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Electric Eel Technology Co ltd filed Critical Tianjin Electric Eel Technology Co ltd
Priority to CN202122709845.6U priority Critical patent/CN216085618U/en
Application granted granted Critical
Publication of CN216085618U publication Critical patent/CN216085618U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Patch Boards (AREA)

Abstract

The utility model discloses a three-phase power distributor, which comprises an electric appliance box, a wiring terminal and six-component branch fusing protection sockets, wherein the wiring terminal comprises first to third live wire terminals and a zero wire terminal, each component branch fusing protection socket consists of a socket and a fuse, the breaking capacity of the fuse can reach 100kA, the first live wire terminal is respectively connected to the incoming wire terminals of a first group of fuses and a second group of fuses, and the outgoing wire terminals of the first group of fuses and the second group of fuses are respectively connected to the inner pins of live wire jacks of the same group of sockets; the connection mode of the second fire connection wire terminal and the third and fourth groups is the same as that of the third fire connection wire terminal and the fifth and sixth groups; and all the pins in the zero line jacks of the socket are connected with the zero line connecting terminals. The three-phase power distributor can solve the problem of overlarge single-phase electric load of the current domestic single-phase power distributor, meets the requirement of three-phase five-wire access of a TN-S system, distributes the load to a three-phase loop, effectively reduces the wire diameter of a power supply cable of single-phase equipment, and reduces the cable investment.

Description

Three-phase power supply distributor
Technical Field
The utility model relates to the technical field of three-phase power distributors, in particular to a three-phase power distributor applied to data center server cabinet installation.
Background
The current data center load design is increasing, and in order to reduce cable investment therein, the distance from the transformer equipment to the load side is designed to be as short as possible, which results in that the calculated short-circuit current at the server is increased, and the risk of damaging the equipment by the short-circuit current is increased.
Accordingly, the prior art is subject to further development and advancement.
SUMMERY OF THE UTILITY MODEL
In view of the above technical problems, an embodiment of the present invention provides a three-phase power distributor to solve the problem of the need of a data center and other scenes for protection against a large short-circuit current.
The technical scheme of the utility model is as follows:
a three-phase power distributor comprises an electric appliance box, a wiring terminal and six-component branch fusing protection sockets, wherein the wiring terminal is arranged on the electric appliance box and comprises a first live wire terminal, a second live wire terminal, a third live wire terminal and a zero wire terminal, each component branch fusing protection socket in the six-component branch fusing protection sockets consists of a socket and a fuse, the short-circuit current breaking capacity of each fuse can reach 100kA, each socket is provided with a live wire jack and a zero wire jack, pins are arranged in the live wire jack and the zero wire jack, and the pins are arranged in the live wire jack and the zero wire jack,
the first live wire terminal is respectively connected to the incoming wire terminal of the fuse in the first group of branch fusing protection sockets and the incoming wire terminal of the fuse in the second group of branch fusing protection sockets, the outgoing wire terminal of the fuse in the first group of branch fusing protection sockets is connected to the inner pins of the live wire jacks of the same group of inner sockets, and the outgoing wire terminal of the fuse in the second group of branch fusing protection sockets is connected to the inner pins of the live wire jacks of the same group of inner sockets;
the second live wire terminal is respectively connected to the incoming wire terminal of the fuse in the third group of branch fusing protection socket and the incoming wire terminal of the fuse in the fourth group of branch fusing protection socket, the outgoing wire terminal of the fuse in the third group of branch fusing protection socket is connected to the inner pin of the live wire jack of the same group of inner sockets, and the outgoing wire terminal of the fuse in the fourth group of branch fusing protection socket is connected to the inner pin of the live wire jack of the same group of inner sockets;
the third live wire terminal is respectively connected to the incoming wire terminal of the fuse in the fifth group of branch fusing protection socket and the incoming wire terminal of the fuse in the sixth group of branch fusing protection socket, the outgoing wire terminal of the fuse in the fifth group of branch fusing protection socket is connected to the inner pin of the live wire jack of the same group of inner sockets, and the outgoing wire terminal of the fuse in the sixth group of branch fusing protection socket is connected to the inner pin of the live wire jack of the same group of inner sockets;
and pins in zero line jacks of the socket in the six-branch fusing protection socket are connected with the zero line connecting terminal.
The three-phase power distributor, wherein, the electrical apparatus box is the cuboid box, six group branch fusing protection sockets arrange the distribution setting in proper order along cuboid box length direction.
In the three-phase power distributor, the sockets and the fuses in each group of branch fusing protection sockets are arranged according to the same arrangement sequence.
The three-phase power distributor, wherein, binding post sets up in the one end of electrical apparatus box, the fuse in each group branch fusing protection socket is close to binding post setting, and the socket in each group branch fusing protection socket is kept away from binding post setting.
The three-phase power distributor is characterized in that a plurality of grounding columns used for being connected with a ground wire are arranged on the electric appliance box, a grounding jack is further arranged on each socket, pins are arranged in the grounding jacks, and the pins in the grounding jacks of the sockets in the six-component fusing protection socket are respectively connected to the grounding columns nearby.
The three-phase power distributor is characterized in that the zero line connecting terminals are respectively connected to a zero line jack inner pin of a socket in the first group of branch fusing protection sockets, a zero line jack inner pin of a socket in the third group of branch fusing protection sockets and a zero line jack inner pin of a socket in the fifth group of branch fusing protection sockets;
the inner pin of the zero line jack of the socket in the second group of branch fusing protection sockets is connected to the inner pin of the zero line jack of the socket in the first group of branch fusing protection sockets, the inner pin of the zero line jack of the socket in the fourth group of branch fusing protection sockets is connected to the inner pin of the zero line jack of the socket in the third group of branch fusing protection sockets, and the inner pin of the zero line jack of the socket in the sixth group of branch fusing protection sockets is connected to the inner pin of the zero line jack of the socket in the fifth group of branch fusing protection sockets.
In the three-phase power distributor, the sockets in the six-component fusing protection socket are all C19 sockets or L7-20R sockets.
The three-phase power distributor is characterized in that a C13 socket is arranged at one end, far away from the wiring terminal, of the electric appliance box, an inner pin of a live wire jack of the C13 socket is connected to a wire outlet end of a fuse in the sixth group of branch fusing protection sockets, and an inner pin of a zero wire jack of the C13 socket is connected to an inner pin of a zero wire jack of a socket in the fifth group of branch fusing protection sockets.
The three-phase power distributor is characterized in that a cable inlet hole is formed in the end face of one end, provided with the wiring terminal, of the electrical box, and a cable protection ring is arranged in the cable inlet hole.
The three-phase power distributor is characterized in that the two ends of the electric appliance box are respectively provided with an installation hanging lug, the electric appliance box is fixed on the server rack through the installation hanging lugs, the wiring terminal is arranged in the accommodating space of the electric appliance box, and the electric appliance box corresponds to the wiring terminal and is provided with the openable cover plate.
Advantageous effects
The three-phase power distributor can solve the problem of overlarge single-phase electric load of the current domestic single-phase power distributor product, can meet the requirement of direct access of three-phase five wires of a TN-S system, distributes the load into a three-phase loop, and can also effectively reduce the cable wire diameter when power is supplied to single-phase equipment, thereby reducing the cable material investment.
Drawings
FIG. 1 is a schematic diagram of a three-phase power distributor according to an embodiment of the present invention;
FIG. 2 is a front view of a three-phase power distributor according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a three-phase power distributor in accordance with an embodiment of the present invention;
FIG. 4 is a top view of a three-phase power distributor according to an embodiment of the present invention;
FIG. 5 is an end view of a three-phase power distributor in accordance with an embodiment of the present invention;
FIG. 6 is a schematic diagram of a three-phase power distributor according to an embodiment of the present invention;
FIG. 7 is a front view of a three-phase power distributor according to another embodiment of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used in this specification, the terms "vertical," "horizontal," "left," "right," "up," "down," "inner," "outer," "bottom," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The utility model provides a three-phase power distributor, which is specifically shown in fig. 1-6, wherein the three-phase power distributor comprises an electric appliance box 100, a wiring terminal 200 arranged on the electric appliance box and six-component branch fusing protection sockets, the wiring terminal comprises a first live wire terminal 210, a second live wire terminal 220, a third live wire terminal 230 and a zero wire terminal 240, each of the six-component branch fusing protection sockets is composed of a socket and a fuse, each socket is provided with a live wire jack and a zero wire jack, and pins are arranged in the live wire jack and the zero wire jack, which is specifically shown in fig. 1-3: the first group of branch fusing protection sockets consists of a first socket 310 and a first fuse 410, the second group of branch fusing protection sockets consists of a second socket 320 and a second fuse 420, the third group of branch fusing protection sockets consists of a third socket 330 and a third fuse 430, the fourth group of branch fusing protection sockets consists of a fourth socket 340 and a fourth fuse 440, the fifth group of branch fusing protection sockets consists of a fifth socket 350 and a fifth fuse 450, and the sixth group of branch fusing protection sockets consists of a sixth socket 360 and a sixth fuse 460. The fuses in the six-component fusing protection socket are all small high-breaking fuses with a branch protection function, and preferably, the short-circuit current breaking capacity of each fuse can reach 100 kA. First to fifth socket mainly used is for 6 servers power supply, specifically, first socket 310 has live wire jack 311 and zero line jack 312, and similarly, second socket 320 has live wire jack 321 and zero line jack 322, third socket 330 has live wire jack 331 and zero line jack 322, fourth socket 340 has live wire jack 341 and zero line jack 342, fifth socket 350 has live wire jack 351 and zero line jack 352, sixth socket 360 has live wire jack 361 and zero line jack 362, set up the pin in each live wire jack and the zero line jack respectively, specifically as the example in fig. 3, pin 3111 that sets up in live wire jack 311, pin 3121 that sets up in the zero line jack.
Further, the internal wiring of the three-phase power distributor in this embodiment is shown in fig. 6: the first live connection terminal 210 is connected to the incoming line terminal of the fuse 410 in the first group of branch fuse protection sockets and the incoming line terminal of the fuse 420 in the second group of branch fuse protection sockets, the outgoing line terminal of the fuse 410 in the first group of branch fuse protection sockets is connected to the inner pin of the live line jack 311 of the same group of inner sockets 310, the outgoing line terminal of the fuse 420 in the second group of branch fuse protection sockets is connected to the inner pin of the live line jack 321 of the same group of inner sockets 320, similarly, the second live connection terminal 220 is connected to the incoming line terminal of the fuse 430 in the third group of branch fuse protection sockets and the incoming line terminal of the fuse 440 in the fourth group of branch fuse protection sockets, the outgoing line terminal of the fuse 430 in the third group of branch fuse protection sockets is connected to the inner pin of the live line jack 331 of the same group of inner sockets 330, the outgoing line terminal of the fuse 440 in the fourth group of branch fuse protection sockets is connected to the inner pin of the live line jack 341 of the same group of inner sockets 340, similarly, the third live wire terminal 230 is respectively connected to the incoming wire terminal of the fuse 450 in the fifth group of branch fuse protection sockets and the incoming wire terminal of the fuse 460 in the sixth group of branch fuse protection sockets, the outgoing wire terminal of the fuse 450 in the fifth group of branch fuse protection sockets is connected to the inner pin of the live wire jack 351 of the same group of inner sockets 350, and the outgoing wire terminal of the fuse 460 in the sixth group of branch fuse protection sockets is connected to the inner pin of the live wire jack 361 of the same group of inner sockets 360.
The pins in the zero line jacks of the socket in the six-branch fusing protection socket are all connected with the zero line connecting terminal 240. The specific connection mode is as follows: the zero connecting terminal 240 is respectively connected to the inner pin of the zero line jack 312 of the socket in the first group of branch fusing protection sockets, the inner pin of the zero line jack 332 of the socket in the third group of branch fusing protection sockets and the inner pin of the zero line jack 352 of the socket in the fifth group of branch fusing protection sockets. The inner pin of the null line jack 322 of the socket in the second group of branch fusing protection sockets is connected to the inner pin of the null line jack 312 of the socket in the first group of branch fusing protection sockets, the inner pin of the null line jack 342 of the socket in the fourth group of branch fusing protection sockets is connected to the inner pin of the null line jack 332 of the socket in the third group of branch fusing protection sockets, and the inner pin of the null line jack 362 of the socket in the sixth group of branch fusing protection sockets is connected to the inner pin of the null line jack 352 of the socket in the fifth group of branch fusing protection sockets.
Further, the socket in the six-component fusing protection socket is further provided with a grounding jack, pins are arranged in the grounding jack, and the pins in the grounding jack are all connected with the grounding terminal 250. The internal wiring mode of the embodiment can meet the requirement of direct access of three-phase five wires of the TN-S system, load is shared into a three-phase loop, large short-circuit current is effectively protected, the cable wire diameter when power is supplied to single-phase equipment can be effectively reduced, and therefore the use of cable materials can be reduced.
As a preferred example, the electrical box is a rectangular box, and the six groups of branch fusing protection sockets are sequentially arranged along the length direction of the rectangular box, wherein the sockets and the fuses of each group of branch fusing protection sockets are all arranged in the same arrangement order. Specifically, binding post sets up in the one end of electrical apparatus box, and the fuse in each group branch fusing protection socket is close to binding post setting, and the socket in each group branch fusing protection socket keeps away from binding post setting. Form fuse and socket interval and set up the overall arrangement form, this kind of overall arrangement form makes full use of on the one hand with electrical container space, simultaneously with this embodiment mode phase-match, can connect a wire according to the principle of connecting nearby, shortened cable service length.
Preferably, a C13 receptacle 470 is provided on the electrical box at the end remote from the terminals, and the C13 receptacle can be used to power the switch. The wiring mode is as follows: an inner pin of a live wire jack 471 of the C13 socket is connected to an outlet end of a fuse in the sixth group of branch fusing protection sockets, and an inner pin of a null line jack 472 of the C13 socket is connected to an inner pin of a null line jack of a socket in the fifth group of branch fusing protection sockets.
In the embodiment shown in fig. 1-6, the sockets in the six-branch fused protection socket are all C19 sockets, and the three-phase power distributor of the present invention may also adopt L7-20R sockets as required, as shown in fig. 7, and the connection mode is the same as that of the embodiment shown in fig. 1-6.
Preferably, as shown in fig. 5, a cable inlet 110 is provided on an end surface of one end of the electrical box, where the connection terminal is provided, and a cable protection ring 120 is provided on the cable inlet. The two ends of the electrical box are respectively provided with an installation hanging lug 130, and the electrical box is fixed on the server rack through the installation hanging lugs 130
Preferably, the connection terminal is disposed in the accommodating space of the electrical box, and the electrical box is provided with a cover plate 140 corresponding to the connection terminal.
Based on the above specific structure of the electrical box, the external wiring mode of the three-phase power distributor of the utility model is roughly as follows: the electric appliance box is fixed on the server rack, the openable cover plate is opened, an external cable is connected into the electric appliance box through the wire inlet hole, the main cable is fixed through the internal cable pressing piece, safety accidents caused by the fact that the cable moves back and forth are prevented, three live wires, zero lines and ground wires of the cable end are correspondingly connected into the wiring terminals of corresponding marks respectively, and cable wiring is completed.
The three-phase power distributor can solve the problem of overlarge single-phase electric load of the current domestic single-phase power distributor product, can meet the requirement of direct access of three-phase five wires of a TN-S system, distributes the load into a three-phase loop, and can also effectively reduce the cable wire diameter when power is supplied to single-phase equipment, thereby reducing the cable material investment.
It should be understood that the technical solutions and concepts of the present invention may be equally replaced or changed by those skilled in the art, and all such changes or substitutions should fall within the protection scope of the appended claims.

Claims (10)

1. A three-phase power distributor is characterized by comprising an electric appliance box, a wiring terminal and six-component branch fusing protection sockets, wherein the wiring terminal is arranged on the electric appliance box and comprises a first live wire terminal, a second live wire terminal, a third live wire terminal and a zero wire terminal, each of the six-component branch fusing protection sockets consists of a socket and a fuse, each socket is provided with a live wire jack and a zero wire jack, and pins are arranged in the live wire jack and the zero wire jack, wherein,
the first live wire terminal is respectively connected to the incoming wire terminal of the fuse in the first group of branch fusing protection sockets and the incoming wire terminal of the fuse in the second group of branch fusing protection sockets, the outgoing wire terminal of the fuse in the first group of branch fusing protection sockets is connected to the inner pins of the live wire jacks of the same group of inner sockets, and the outgoing wire terminal of the fuse in the second group of branch fusing protection sockets is connected to the inner pins of the live wire jacks of the same group of inner sockets;
the second live wire terminal is respectively connected to the incoming wire terminal of the fuse in the third group of branch fusing protection socket and the incoming wire terminal of the fuse in the fourth group of branch fusing protection socket, the outgoing wire terminal of the fuse in the third group of branch fusing protection socket is connected to the inner pin of the live wire jack of the same group of inner sockets, and the outgoing wire terminal of the fuse in the fourth group of branch fusing protection socket is connected to the inner pin of the live wire jack of the same group of inner sockets;
the third live wire terminal is respectively connected to the incoming wire terminal of the fuse in the fifth group of branch fusing protection socket and the incoming wire terminal of the fuse in the sixth group of branch fusing protection socket, the outgoing wire terminal of the fuse in the fifth group of branch fusing protection socket is connected to the inner pin of the live wire jack of the same group of inner sockets, and the outgoing wire terminal of the fuse in the sixth group of branch fusing protection socket is connected to the inner pin of the live wire jack of the same group of inner sockets;
and pins in zero line jacks of the socket in the six-branch fusing protection socket are connected with the zero line connecting terminal.
2. The three-phase power distributor according to claim 1, wherein the electrical box is a rectangular box, and the six-component fusing protection sockets are sequentially arranged and distributed along the length direction of the rectangular box.
3. The three-phase power distributor of claim 2, wherein the sockets and fuses in each group of branch fused protection sockets are arranged in the same order.
4. The three-phase power distributor as claimed in claim 3, wherein the connection terminal is disposed at one end of the electrical box, the fuse of each of the plurality of branch fusing protection sockets is disposed adjacent to the connection terminal, and the socket of each of the plurality of branch fusing protection sockets is disposed away from the connection terminal.
5. The three-phase power distributor according to claim 1, wherein a plurality of grounding posts for connecting a ground wire are arranged on the electrical box, a grounding jack is further arranged on each socket, a pin is arranged in the grounding jack, and the pins in the grounding jacks of the sockets in the six-component fusing protection socket are respectively connected to the grounding posts nearby.
6. The three-phase power distributor of claim 1, wherein the neutral connection terminals are connected to a neutral jack inner pin of a socket in the first group of branch fused protection sockets, a neutral jack inner pin of a socket in the third group of branch fused protection sockets, and a neutral jack inner pin of a socket in the fifth group of branch fused protection sockets, respectively;
the inner pin of the zero line jack of the socket in the second group of branch fusing protection sockets is connected to the inner pin of the zero line jack of the socket in the first group of branch fusing protection sockets, the inner pin of the zero line jack of the socket in the fourth group of branch fusing protection sockets is connected to the inner pin of the zero line jack of the socket in the third group of branch fusing protection sockets, and the inner pin of the zero line jack of the socket in the sixth group of branch fusing protection sockets is connected to the inner pin of the zero line jack of the socket in the fifth group of branch fusing protection sockets.
7. The three-phase power distributor of claim 6, wherein the sockets in the six-component fused protection socket are all C19 sockets or L7-20R sockets.
8. The three-phase power distributor as claimed in claim 7, wherein a C13 socket is provided on an end of the electrical box remote from the connecting terminal, the live socket inner pin of the C13 socket is connected to the outlet terminal of the fuse in the sixth group of branch fuse protection sockets, and the neutral socket inner pin of the C13 socket is connected to the neutral socket inner pin of the socket in the fifth group of branch fuse protection sockets.
9. The three-phase power distributor according to claim 4, wherein a cable inlet hole is formed in the end face of one end of the electrical box, which is provided with the wiring terminal, and a cable protection ring is arranged on the cable inlet hole.
10. The three-phase power distributor according to claim 2, wherein the two ends of the electrical box are respectively provided with a mounting lug, the electrical box is fixed on the server rack through the mounting lugs, the connection terminal is arranged in the accommodating space of the electrical box, and the electrical box is provided with a cover plate which can be opened and closed corresponding to the connection terminal.
CN202122709845.6U 2021-11-08 2021-11-08 Three-phase power supply distributor Active CN216085618U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122709845.6U CN216085618U (en) 2021-11-08 2021-11-08 Three-phase power supply distributor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122709845.6U CN216085618U (en) 2021-11-08 2021-11-08 Three-phase power supply distributor

Publications (1)

Publication Number Publication Date
CN216085618U true CN216085618U (en) 2022-03-18

Family

ID=80659754

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122709845.6U Active CN216085618U (en) 2021-11-08 2021-11-08 Three-phase power supply distributor

Country Status (1)

Country Link
CN (1) CN216085618U (en)

Similar Documents

Publication Publication Date Title
CN109428246A (en) AC power source adapter and its applicable power distribution system
CN102798838B (en) Pluggable safety junction box for site calibration of electric energy meter
US9425603B2 (en) Bus plug apparatus using multiple interconnected enclosures
CN205901073U (en) Switch board or block terminal are with many circuit breakers adapter
US9385445B2 (en) Composite intelligent terminal wiring device and plug device
CN105914588A (en) Multi-circuit-breaker power distribution cabinet or power distribution box
US20220294192A1 (en) Electronic device and load center including the same
CN209169079U (en) Modular breaker connector
CN204794518U (en) Terminal box that possesses isolative protection function
CN216085618U (en) Three-phase power supply distributor
CN106505415B (en) A kind of power supply column cabinet
CN105932550B (en) A kind of more breaker arrangement methods of power distribution cabinet or distribution box
CN216085610U (en) Anti-misoperation three-phase power supply distributor
US4092547A (en) Switch block
KR101890109B1 (en) Compact control box for distribution panel
CN105098621A (en) Technique for online maintenance of power distribution module in communication cabinet
CN203445506U (en) Connecting device of split cabinet-type gas insulated switchgear (GIS) and shared box-type gas insulated switchgear (GIS)
CN218996633U (en) Circuit breaker base and power distribution equipment
CN206225792U (en) A kind of power supply row cabinet
CN109921291B (en) Closed preset bus system used in transformer type metering box
CN216250525U (en) Novel isolating switch bus bar for 10kV distribution station
CN209786431U (en) Closed preset bus system used in mutual inductor type metering box
CN220569973U (en) Communication high-frequency switch cabinet connecting terminal protector
CN219477160U (en) Connector with overload protection structure
CN210111527U (en) Cable distribution box

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant