CN110361575A - A kind of terminal box - Google Patents

A kind of terminal box Download PDF

Info

Publication number
CN110361575A
CN110361575A CN201910802508.6A CN201910802508A CN110361575A CN 110361575 A CN110361575 A CN 110361575A CN 201910802508 A CN201910802508 A CN 201910802508A CN 110361575 A CN110361575 A CN 110361575A
Authority
CN
China
Prior art keywords
electric current
voltage
link block
block
electrically connected
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.)
Pending
Application number
CN201910802508.6A
Other languages
Chinese (zh)
Inventor
麦宇豪
肖鹏
周宇腾
韩佳锐
马严森
黎金满
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.)
Guangdong Power Grid Co Ltd
Zhanjiang Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Zhanjiang Power Supply Bureau of Guangdong Power Grid 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 Guangdong Power Grid Co Ltd, Zhanjiang Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN201910802508.6A priority Critical patent/CN110361575A/en
Publication of CN110361575A publication Critical patent/CN110361575A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02Constructional details
    • G01R11/04Housings; Supporting racks; Arrangements of terminals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

The invention discloses a kind of terminal box, including A phase region, B phase region, C phase region and zero curve area, A phase region includes A voltage link block and A electric current link block;B phase region includes B voltage link block and B electric current link block;C phase region includes C voltage link block and C electric current link block;Zero curve area includes neutral voltage link block.A voltage link block, B voltage link block, C voltage link block and the neutral voltage link block all includes 2 voltage link cylinders, voltage plug-in connection sheet and 2 voltage contacts blocks respectively, and each voltage link cylinder is electrically connected with 1 voltage contacts block;2 voltage contacts blocks are electrically connected to each other by voltage plug-in connection sheet.Present invention uses more time saving, safe plug-in connection sheet, the connection in circuit is realized when being inserted into connection sheet, the disconnection in circuit is realized when extracting connection sheet, reduces the troublesome operation of the turn of the screw, is greatly improved work efficiency and security performance.

Description

A kind of terminal box
Technical field
The present invention relates to electrical energy measurement fields, more particularly, to a kind of terminal box.
Background technique
Traditional electric energy metering wiring box by adjusting screw realize connection sheet opening and crimping, come reach binding post it Between on-off purpose, realize and exchanged safely in on-load or field test electric energy meter, electric meter, earth leakage protective etc.. Aforesaid way needs continually the turn of the screw, and operation is tired, elapsed time is long, be easy to cause the not firm or screw of crimping to fall, Jin Erke It can cause metering mistake or customer equipment failure.
Summary of the invention
The present invention overcomes above-mentioned existing technical deficiencies, provide a kind of a kind of new terminal box.Present invention uses more Add time saving, safe plug-in connection sheet, the connection in circuit is realized when being inserted into connection sheet, the disconnected of circuit is realized when extracting connection sheet It opens, reduces the troublesome operation of the turn of the screw, greatly improve work efficiency and security performance.
In order to solve the above technical problems, technical scheme is as follows:
A kind of terminal box, including A phase region, B phase region, C phase region and zero curve area, wherein
The A phase region includes A voltage link block and A electric current link block, one end of A voltage link block and terminal Electrical connection, the other end of A voltage link block are electrically connected with the end of incoming cables of power supply;The both ends of A electric current link block respectively with electricity The both ends of current transformer are electrically connected;
The B phase region includes B voltage link block and B electric current link block, one end of B voltage link block and terminal Electrical connection, the other end of B voltage link block are electrically connected with the end of incoming cables of power supply;The both ends of B electric current link block respectively with electricity The both ends of current transformer are electrically connected;
The C phase region includes C voltage link block and C electric current link block, one end of C voltage link block and terminal Electrical connection, the other end of C voltage link block are electrically connected with the end of incoming cables of power supply;The both ends of C electric current link block respectively with electricity The both ends of current transformer are electrically connected;
The zero curve area includes neutral voltage link block, and one end of neutral voltage link block is electrically connected with terminal, The other end of neutral voltage link block is electrically connected with the end of incoming cables of power supply.
In a preferred solution, the A voltage link block, B voltage link block, C voltage link block and Neutral voltage link block respectively all include 2 voltage link cylinders, voltage plug-in connection sheet and 2 voltage contacts blocks, In,
Each voltage link cylinder is electrically connected with 1 voltage contacts block;
2 voltage contacts blocks are electrically connected to each other by voltage plug-in connection sheet.
In this preferred embodiment, by realizing the connection in circuit when insertion connection sheet, the disconnected of circuit is realized when extracting connection sheet It opens, reduces the troublesome operation of the turn of the screw, greatly improve work efficiency and security performance.
In a preferred solution, each voltage link cylinder is electrically connected by bolt and 1 voltage contacts block It connects.
In a preferred solution, the voltage contacts block is folding T-type sheet metal, the T-type metal On piece opens up through-hole.
In a preferred solution, the A electric current link block, B electric current link block, C electric current link block point It does not all include 3 electric current wiring cylinders, 2 electric current plug-in connection sheets and 4 galvanic contact blocks, wherein
3 electric current wiring cylinders are defined as the first electric current wiring cylinder, the second electric current wiring cylinder, third electric current Wiring cylinder;2 electric current plug-in connection sheets are defined as the first electric current plug-in connection sheet and the second electric current plug-in Connection sheet;4 galvanic contact blocks are defined as the first galvanic contact block, the second galvanic contact block, third galvanic contact block With the 4th galvanic contact block, wherein
The first galvanic contact block, the first electric current wiring cylinder and the first electricity are provided on the first electric current wiring cylinder Flow contact block electrical connection;
The second galvanic contact block, third galvanic contact block, the second electric current are provided on the second electric current wiring cylinder Contact block, third galvanic contact block are electrically connected with the second electric current wiring cylinder respectively;
The 4th galvanic contact block, third electric current wiring cylinder and the 4th electricity are provided on the third electric current wiring cylinder Flow contact block electrical connection;
The first galvanic contact block is electrically connected by the first electric current plug-in connection sheet with the second galvanic contact block;
The third galvanic contact block is electrically connected by the second electric current plug-in connection sheet with the 4th galvanic contact block.
In this preferred embodiment, by realizing the connection in circuit when insertion connection sheet, the disconnected of circuit is realized when extracting connection sheet It opens, reduces the troublesome operation of the turn of the screw, greatly improve work efficiency and security performance.
In a preferred solution, each electric current wiring cylinder passes through bolt respectively and is electrically connected with galvanic contact block It connects.
In a preferred solution, the galvanic contact block is folding L-type sheet metal, the L-type metal On piece opens up through-hole.
In a preferred solution, the terminal box further includes box body, the A phase region, B phase region, C phase region and zero Line area is all disposed on box body, and A phase region, B phase region, C phase region and zero curve area are connect with box body respectively.
In a preferred solution, box body setting is fluted, and the groove is used for fixed voltage plug-in Connection sheet and electric current plug-in connection sheet.
In a preferred solution, the terminal box further includes box cover, and the box cover is connect with box body.
In a preferred solution, the box cover is the box cover of transparent material.
In this preferred embodiment,
Compared with prior art, the beneficial effect of technical solution of the present invention is:
The present invention has used for reference the inspiration of disconnecting link connection type, by the adjusting bolt and short circuit in traditional electric energy metering wiring box Copper sheet is changed to more time saving, safe plug-in connection sheet, and the connection in circuit is realized when being inserted into connection sheet, extracts real when connection sheet The disconnection in existing circuit, effectively reduces the troublesome operation of the turn of the screw, greatly improves work efficiency and security performance.
Detailed description of the invention
Fig. 1 is the structure chart of embodiment.
Fig. 2 is the structure chart of the voltage link block of embodiment.
Fig. 3 is the structure chart of the electric current link block of embodiment.
Fig. 4 is the top view of the voltage contacts block of embodiment.
Fig. 5 is the top view of the galvanic contact block of embodiment.
Label declaration: 1, voltage link cylinder;2, voltage contacts block;3, voltage plug-in connection sheet;4, electric current binding post Body;5, galvanic contact block;6, electric current plug-in connection sheet.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent;
In order to better illustrate this embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent actual product Size;
To those skilled in the art, it is to be understood that certain known features and its explanation, which may be omitted, in attached drawing 's.
The following further describes the technical solution of the present invention with reference to the accompanying drawings and examples.
Embodiment
A kind of terminal box, the box cover including box body and transparent material, the box cover and box body of transparent material are clamped;
As shown in Figure 1, A phase region, B phase region, C phase region and zero curve area are provided on box body, A phase region, B phase region, C phase region and zero Line area is fixedly connected with box body respectively;
Wherein, A phase region, B phase region, C phase region and zero curve area,
A phase region includes A voltage link block and A electric current link block, and one end of A voltage link block and terminal pass through spiral shell Bolt is electrically connected, and the other end of A voltage link block and the end of incoming cables of power supply are electrically connected by bolt;The connection of A electric current The both ends of module are electrically connected with the both ends of current transformer by bolt respectively;
B phase region includes B voltage link block and B electric current link block, and one end of B voltage link block and terminal pass through spiral shell Bolt is electrically connected, and the other end of B voltage link block and the end of incoming cables of power supply are electrically connected by bolt;The connection of B electric current The both ends of module are electrically connected with the both ends of current transformer by bolt respectively;
C phase region includes C voltage link block and C electric current link block, and one end of C voltage link block and terminal pass through spiral shell Bolt is electrically connected, and the other end of C voltage link block and the end of incoming cables of power supply are electrically connected by bolt;The connection of C electric current The both ends of module are electrically connected with the both ends of current transformer by bolt respectively;
Zero curve area includes neutral voltage link block, and one end of neutral voltage link block and terminal are carried out electric by bolt Connection, the other end of neutral voltage link block and the end of incoming cables of power supply are electrically connected by bolt;
As shown in Fig. 2, A voltage link block, B voltage link block, C voltage link block and neutral voltage link block It respectively all include 2 voltage link cylinders 1, voltage plug-in connection sheet 3 and 2 voltage contacts blocks 2, wherein
Each voltage link cylinder 1 is electrically connected by bolt with 1 voltage contacts block 2;
2 voltage contacts blocks 2 are electrically connected to each other by voltage plug-in connection sheet 3;
As shown in figure 4, each voltage contacts block 2 is folding T-type sheet metal, 1st area of voltage contacts block 2 has opened up spiral shell Voltage contacts block 2 is electrically connected by bolt with voltage link cylinder 1 by keyhole, and 2,3,4 areas of voltage contacts block 2 are folded Plane and 1st area of voltage contacts block 2 are orthogonal, then by the folded plane in 2nd area of voltage contacts block 2 and voltage contacts block 2 3rd area are orthogonal and the folded plane in 4th area of voltage contacts block 2 and 3rd area of voltage contacts block 2 is orthogonal;
As shown in figure 3, A electric current link block, B electric current link block, C electric current link block all include 3 electric currents respectively 4,2 electric current plug-in connection sheets 6 of wiring cylinder and 4 galvanic contact blocks 5, wherein
3 electric current wiring cylinders 4 are defined as the first electric current wiring cylinder, the second electric current wiring cylinder, third electric current wiring Cylinder;2 electric current plug-in connection sheets 6 are defined as the first electric current plug-in connection sheet and connect with the second electric current plug-in Piece;4 galvanic contact blocks 5 are defined as the first galvanic contact block, the second galvanic contact block, third galvanic contact block and Four galvanic contact blocks, wherein
The first galvanic contact block is provided on first electric current wiring cylinder, the first electric current wiring cylinder passes through bolt and first The electrical connection of galvanic contact block;
It is provided with the second galvanic contact block, third galvanic contact block on second electric current wiring cylinder, the second galvanic contact block, Third galvanic contact block passes through bolt respectively and is electrically connected with the second electric current wiring cylinder;
The 4th galvanic contact block is provided on third electric current wiring cylinder, third electric current wiring cylinder passes through bolt and the 4th The electrical connection of galvanic contact block;
First galvanic contact block is electrically connected by the first electric current plug-in connection sheet with the second galvanic contact block;
Third galvanic contact block is electrically connected by the second electric current plug-in connection sheet with the 4th galvanic contact block;
As shown in figure 5, galvanic contact block is 5 folding L-type sheet metals, each voltage contacts block 5 is folding T-type 1st area of sheet metal, galvanic contact block 5 has opened up bolt hole, and galvanic contact block 5 is electrically connected by bolt with electric current wiring cylinder 4 It connects, 2, the 3 folded planes in area of galvanic contact block 5 and 1st area of galvanic contact block 5 are orthogonal, then by galvanic contact block 5 The folded plane in 3rd area and galvanic contact block 5 2nd area it is orthogonal;
Box body is provided with the groove that voltage plug-in connection sheet 3 and electric current plug-in connection sheet 6 is auxiliarily fixed.
The present embodiment the utility model has the advantages that
The present embodiment has used for reference the inspiration of disconnecting link connection type, by adjusting bolt in traditional electric energy metering wiring box and short It connects copper sheet and is changed to more time saving, safe plug-in connection sheet, the connection in circuit is realized when being inserted into connection sheet, when extracting connection sheet The disconnection for realizing circuit, effectively reduces the troublesome operation of the turn of the screw, greatly improves work efficiency and security performance.
The same or similar label correspond to the same or similar components;
The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent;
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair The restriction of embodiments of the present invention.For example, the shape description of galvanic contact block and voltage contacts block in embodiment is only Illustrate, the technical solutions that technical effect may be implemented in others still fall within the protection scope of this patent, and not only with Limitation of the embodiment as this patent.Secondly, voltage link cylinder is attached with voltage contacts block by bolt in embodiment It is attached with voltage contacts block by bolt with voltage link cylinder, above-mentioned connection type is only to illustrate, and others are even The mode of connecing still falls within the protection scope of this patent, such as welds, the connection types such as buckle, and not only with the connection side of embodiment Limitation of the formula as this patent.
For those of ordinary skill in the art, other not similar shapes can also be made on the basis of the above description The variation or variation of formula.There is no necessity and possibility to exhaust all the enbodiments.It is all in the spirit and principles in the present invention Within made any modifications, equivalent replacements, and improvements etc., should all be included in the scope of protection of the claims of the present invention.

Claims (10)

1. a kind of terminal box, which is characterized in that the terminal box includes A phase region, B phase region, C phase region and zero curve area, wherein
The A phase region includes A voltage link block and A electric current link block, and one end of A voltage link block is electrically connected with terminal It connects, the other end of A voltage link block is electrically connected with the end of incoming cables of power supply;The both ends of A electric current link block are mutual with electric current respectively The both ends of sensor are electrically connected;
The B phase region includes B voltage link block and B electric current link block, and one end of B voltage link block is electrically connected with terminal It connects, the other end of B voltage link block is electrically connected with the end of incoming cables of power supply;The both ends of B electric current link block are mutual with electric current respectively The both ends of sensor are electrically connected;
The C phase region includes C voltage link block and C electric current link block, and one end and the terminal of C voltage link block are electrically connected It connects, the other end of C voltage link block is electrically connected with the end of incoming cables of power supply;The both ends of C electric current link block are mutual with electric current respectively The both ends of sensor are electrically connected;
The zero curve area includes neutral voltage link block, and one end of neutral voltage link block is electrically connected with terminal, zero curve The other end of voltage link block is electrically connected with the end of incoming cables of power supply.
2. terminal box according to claim 1, which is characterized in that the A voltage link block, B voltage link block, C voltage link block and neutral voltage link block all include 2 voltage link cylinders, voltage plug-in connection sheet and 2 respectively A voltage contacts block, wherein
Each voltage link cylinder is electrically connected with 1 voltage contacts block;
2 voltage contacts blocks are electrically connected to each other by voltage plug-in connection sheet.
3. terminal box according to claim 2, which is characterized in that each voltage link cylinder passes through bolt and 1 A voltage contacts block electrical connection.
4. terminal box according to claim 2 or 3, which is characterized in that the voltage contacts block is folding T-type gold Belong to piece, opens up through-hole on the T-type sheet metal.
5. according to claim 1 to terminal box described in any claim in 3, which is characterized in that the A electric current connects mould Block, B electric current link block, C electric current link block respectively all include 3 electric current wiring cylinders, 2 electric current plug-in connection sheets and 4 galvanic contact blocks, wherein
3 electric current wiring cylinders are defined as the first electric current wiring cylinder, the second electric current wiring cylinder, third electric current wiring Cylinder;2 electric current plug-in connection sheets are defined as the first electric current plug-in connection sheet and connect with the second electric current plug-in Piece;4 galvanic contact blocks are defined as the first galvanic contact block, the second galvanic contact block, third galvanic contact block and Four galvanic contact blocks, wherein
It is provided with the first galvanic contact block on the first electric current wiring cylinder, the first electric current wiring cylinder connects with the first electric current Contact block electrical connection;
The second galvanic contact block, third galvanic contact block, the second galvanic contact are provided on the second electric current wiring cylinder Block, third galvanic contact block are electrically connected with the second electric current wiring cylinder respectively;
It is provided with the 4th galvanic contact block on the third electric current wiring cylinder, third electric current wiring cylinder connects with the 4th electric current Contact block electrical connection;
The first galvanic contact block is electrically connected by the first electric current plug-in connection sheet with the second galvanic contact block;
The third galvanic contact block is electrically connected by the second electric current plug-in connection sheet with the 4th galvanic contact block.
6. terminal box according to claim 5, which is characterized in that each electric current wiring cylinder passes through bolt respectively It is electrically connected with galvanic contact block.
7. terminal box according to claim 5, which is characterized in that the galvanic contact block is folding L-type metal Piece opens up through-hole on the L-type sheet metal.
8. according to claim 1, terminal box described in 2,3,6 or 7, which is characterized in that the terminal box further includes box body, institute A phase region, B phase region, C phase region and the zero curve area stated is all disposed on box body, A phase region, B phase region, C phase region and zero curve area respectively with box Body connection.
9. terminal box according to claim 8, which is characterized in that the box body setting is fluted, and the groove is used In fixed voltage plug-in connection sheet and electric current plug-in connection sheet.
10. according to claim 1, terminal box described in 2,3,6,7 or 9, which is characterized in that the terminal box further includes box Lid, the box cover are connect with box body.
CN201910802508.6A 2019-08-28 2019-08-28 A kind of terminal box Pending CN110361575A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910802508.6A CN110361575A (en) 2019-08-28 2019-08-28 A kind of terminal box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910802508.6A CN110361575A (en) 2019-08-28 2019-08-28 A kind of terminal box

Publications (1)

Publication Number Publication Date
CN110361575A true CN110361575A (en) 2019-10-22

Family

ID=68225433

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910802508.6A Pending CN110361575A (en) 2019-08-28 2019-08-28 A kind of terminal box

Country Status (1)

Country Link
CN (1) CN110361575A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111812364A (en) * 2020-08-21 2020-10-23 广东电网有限责任公司 Metering junction box
CN114156809A (en) * 2021-09-28 2022-03-08 国网山东省电力公司潍坊供电公司 Wire plug-in type junction box and installation method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2321007Y (en) * 1998-03-20 1999-05-26 高密市供电局 Junction box for electric energy measuring device
CN201060217Y (en) * 2007-06-01 2008-05-14 姜琦 Electrical energy meter multifunctional wiring box
CN207098520U (en) * 2017-09-01 2018-03-13 云南电网有限责任公司电力科学研究院 A kind of plug type combined connection box
CN107910666A (en) * 2017-06-19 2018-04-13 国网浙江省电力公司湖州供电公司 A kind of plug-in terminal box
CN207650253U (en) * 2017-12-29 2018-07-24 广东电网有限责任公司江门供电局 A kind of Multifunctional measuring special junction box
CN108957070A (en) * 2018-06-12 2018-12-07 国网湖北省电力有限公司孝感供电公司 A kind of plug type connection box of electric energy meter box and electric energy metering device
CN109085402A (en) * 2018-08-30 2018-12-25 中国电力科学研究院有限公司 The multifunctional combined terminal box of electrical energy measurement
CN210894454U (en) * 2019-08-28 2020-06-30 广东电网有限责任公司 Terminal box

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2321007Y (en) * 1998-03-20 1999-05-26 高密市供电局 Junction box for electric energy measuring device
CN201060217Y (en) * 2007-06-01 2008-05-14 姜琦 Electrical energy meter multifunctional wiring box
CN107910666A (en) * 2017-06-19 2018-04-13 国网浙江省电力公司湖州供电公司 A kind of plug-in terminal box
CN207098520U (en) * 2017-09-01 2018-03-13 云南电网有限责任公司电力科学研究院 A kind of plug type combined connection box
CN207650253U (en) * 2017-12-29 2018-07-24 广东电网有限责任公司江门供电局 A kind of Multifunctional measuring special junction box
CN108957070A (en) * 2018-06-12 2018-12-07 国网湖北省电力有限公司孝感供电公司 A kind of plug type connection box of electric energy meter box and electric energy metering device
CN109085402A (en) * 2018-08-30 2018-12-25 中国电力科学研究院有限公司 The multifunctional combined terminal box of electrical energy measurement
CN210894454U (en) * 2019-08-28 2020-06-30 广东电网有限责任公司 Terminal box

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111812364A (en) * 2020-08-21 2020-10-23 广东电网有限责任公司 Metering junction box
CN114156809A (en) * 2021-09-28 2022-03-08 国网山东省电力公司潍坊供电公司 Wire plug-in type junction box and installation method

Similar Documents

Publication Publication Date Title
CN110361575A (en) A kind of terminal box
CN203101461U (en) Single meter position plug connector of electric energy meter
CN205982352U (en) Do not cut off power supply and realize device of plug -in electric energy meter change
CN206180578U (en) Possesses pluggable 10350us source defend thunder equipment of remote signalling output
CN210894454U (en) Terminal box
CN204760203U (en) Dry -type on -load voltage -regulating transformer with wiring copper bar
CN201118114Y (en) Power feeder standardized module
CN208570997U (en) A kind of four end electric current secondary loop shorting stubs
CN107761065A (en) Coating wire planar cathode short circuit repair method
CN208675104U (en) A kind of multiple-channel output is under-voltage and short-circuit protection circuit
CN113643941A (en) Leakage protector
CN208352682U (en) A kind of wire clamp
CN209069975U (en) Absorption type continuity test tool
CN108400069A (en) Leakage circuit breakers
CN215218965U (en) Metering structure and electric energy meter with same
CN219575522U (en) Leakage protection circuit breaker
CN211929197U (en) Integrated three-phase current transformer
CN217882146U (en) Plug-in pin type plug
CN214674559U (en) Novel switch control power supply loop
CN212111554U (en) Special electric power metering box for oil well
CN208507599U (en) Leakage circuit breakers
CN216528714U (en) Modular automatic reclosing small residual current circuit breaker
CN216214682U (en) Terminal adapter
CN214588670U (en) Modular automatic reclosing miniature circuit breaker
CN215377730U (en) Plug-in wiring terminal capable of quickly changing current transformation ratio

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination