CN102655064A - Control and protective switching device - Google Patents

Control and protective switching device Download PDF

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Publication number
CN102655064A
CN102655064A CN2012101126614A CN201210112661A CN102655064A CN 102655064 A CN102655064 A CN 102655064A CN 2012101126614 A CN2012101126614 A CN 2012101126614A CN 201210112661 A CN201210112661 A CN 201210112661A CN 102655064 A CN102655064 A CN 102655064A
Authority
CN
China
Prior art keywords
pedestal
electrical equipment
protection switch
switch electrical
control according
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.)
Granted
Application number
CN2012101126614A
Other languages
Chinese (zh)
Other versions
CN102655064B (en
Inventor
彭志忠
彭三保
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.)
WENZHOU KONGBAO ELECTRICAL CO Ltd
Original Assignee
WENZHOU KONGBAO ELECTRICAL 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
Priority to CN201710059123.6A priority Critical patent/CN107069438A/en
Priority to CN201710059121.7A priority patent/CN106971918A/en
Priority to CN201710059122.1A priority patent/CN107068494A/en
Priority to CN201210112661.4A priority patent/CN102655064B/en
Priority to CN201710059212.0A priority patent/CN107069439A/en
Application filed by WENZHOU KONGBAO ELECTRICAL CO Ltd filed Critical WENZHOU KONGBAO ELECTRICAL CO Ltd
Priority to CN201710059214.XA priority patent/CN107068499A/en
Priority to CN201710059215.4A priority patent/CN107069440A/en
Publication of CN102655064A publication Critical patent/CN102655064A/en
Application granted granted Critical
Publication of CN102655064B publication Critical patent/CN102655064B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
    • H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0264—Mountings or coverplates for complete assembled circuit breakers, e.g. snap mounting in panel
    • H01H71/0271—Mounting several complete assembled circuit breakers together
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08—Terminals; Connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08—Terminals; Connections
    • H01H71/082—Connections between juxtaposed circuit breakers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
    • H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
    • H02B1/044—Mounting through openings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)

Abstract

The invention discloses a control and protective switching device which comprises a base, three overcurrent trip circuit breakers, three current transformers and six sets of terminal assemblies, wherein the three overcurrent trip circuit breakers, the three current transformers and the six sets of terminal assemblies are arranged in the base; the base comprises a substrate and a baseplate, the two ends of the substrate are respectively a wire inlet end and a wire outlet end, the middle end of the substrate is provided with three accommodating holes for placing of the overcurrent trip circuit breakers, and placing grooves for placing of the current transformers are arranged between the accommodating holes and the wire inlet end; the baseplate is arranged on the bottom wall of the substrate; and the terminal assemblies comprise three sets of inlet terminal assemblies and three sets of outlet terminal assemblies which are respectively arranged at the wire inlet end and the wire outlet end of the substrate. The switching device disclosed by the invention is relatively compact and reasonable in structure, and convenient to assemble and maintain.

Description

Control and protection switch electrical equipment
Technical field
The invention belongs to low tension switch structure-design technique field, be specifically related to a kind of control and protection switch electrical equipment.
Background technology
The electrical system that general low-voltage electrical apparatus constitutes mainly contains dual mode: a kind of is by realizing protective effect (distribution apparatus respectively; Be mainly circuit breaker) (control electric with control action; Be mainly contactor and thermal relay or motor protector) the device for switching of discrete constitute; Independent separately the installation, two kinds of electrical equipment series connection are connected between power supply and the load.The operating mechanism of distribution apparatus is accepted the fault-signal of detecting unit and is threaded off and the main circuit of disjunction distribution apparatus, and the control circuit of control apparatus is accepted artificial or control signal and operate electromagnetic system and connect or the main circuit of disjunction control apparatus automatically.
Another kind is the integrated multifunctional electric appliance of controlling with protective effect by having simultaneously, i.e. control constitutes with protection switch electrical equipment (abbreviating CPS as), and its structure formation is generally modular integrated mounting means, is connected between power supply and the load.Its protective device is divided into electromagnetic type protective device, two kinds of forms of electronic type protective device.
Patent application document CN247234Y discloses a kind of integrated control and protection switch electrical equipment; Mainly form by base, main circuit contact group, electromagnetism transmission mechanism, interrupter and overcurrent trip; Said main circuit contact is assembled with the dynamic and static main contact of solenidal electromagnet and double break point, and solenidal electromagnet is connected with main contact through driving lever; Described electromagnetism transmission mechanism mainly is made up of dynamic and static iron core, coil, support, push rod, conductive clip, and push rod is fixed on the iron core, is provided with a breakpoint of connecting with coil in the conductive clip, and is controlled by operating mechanism through a driving lever; Described operating mechanism is equipped with push rod, push pedal, driving lever, pull bar and is associated with overcurrent trip, main circuit contact group, electromagnetism transmission mechanism, interrupter respectively; And manually operated indication knob is arranged, this knob can place automatic control position, dropout position, disjunction position, reset position and isolated location respectively; Said interrupter mainly is made up of support, swivel mount, isolation knife contact, indication piece and the pull bar that is associated with operating mechanism, and the cutter contact of isolation is fixed on the support, can move up and down connection with support, break off main circuit; Described overcurrent trip can finally break off described breakpoint of connecting with control coil through being associated with the push rod of operating mechanism, thereby cut off main circuit the overload, overcurrent (big overload), the phase failure that occur in the circuit.
Because this kind control and protection switch electrical structure are comparatively complicated; Need be in very little space mid-discharge stream instrument transformer and connecting terminal components, the product that occurs in the market, its understructure is all not ideal; It is loosening to cause binding post to be prone to, and operation is comparatively loaded down with trivial details when assembling and maintenance.
Summary of the invention
The purpose of this invention is to provide comparatively compact and reasonable of a kind of structure, assembling and inspection operation are controlled and protection switch electrical equipment comparatively easily.
The technical scheme that realizes the object of the invention is: a kind of control and protection switch electrical equipment comprise base, and are arranged on three overcurrent release circuit breakers in the base, three current transformers and six set of connections terminal assemblies; Said base comprises pedestal and base plate; The two ends of said pedestal are respectively end of incoming cables and leading-out terminal; Said pedestal middle-end is provided with three containing holes that are used to put the overcurrent release circuit breaker, is provided with the putting groove that is used to put current transformer between said containing hole and the end of incoming cables; Said base plate is arranged on the base bottom wall; Said connecting terminal components comprises three groups of input terminal assemblies and three groups of outlet terminal assemblies, is separately positioned on the end of incoming cables and the leading-out terminal of pedestal.
In the such scheme, said base bottom wall is provided with groove, and said base plate is fixed in this groove.
In the such scheme, be provided with the draw-in groove that is used to locate each current transformer in the said putting groove.
In the such scheme, be provided with six bearings in the said putting groove, be combined into three draw-in grooves in twos; The basic configuration of each current transformer is circular, is fastened in the corresponding draw-in groove.
In the such scheme, said three current transformers are lined up isosceles triangle.
In the such scheme; The end of incoming cables of said pedestal and leading-out terminal respectively are provided with three wire connection cavities that are used to put connecting terminal components; Said base plate is provided with the spacing flange that matches with a corresponding wire connection cavity of being used for that protrudes from the base plate roof, the inner stopper slot that forms of each spacing flange; The bottom of said each connecting terminal components is arranged in a corresponding stopper slot.
In the such scheme, said each spacing flange is one-body molded through injection molding and base plate.
In the such scheme, said pedestal middle-end roof is provided with the support that is used for spacing overcurrent release circuit breaker, and this support is one-body molded through injection molding and pedestal.
In the such scheme, said pedestal also is provided with the installing zone that is used to install electromagnetism transmission mechanism on the roof between support and the leading-out terminal.
Structure of the present invention is compact and reasonable comparatively, and assembling and inspection operation are comparatively convenient.
Description of drawings
Fig. 1 is a kind of perspective view of the present invention;
Fig. 2 is control shown in Figure 1 and the protection switch electrical equipment a kind of perspective view during from another viewed;
Fig. 3 is a kind of vertical view of control shown in Figure 1 and protection switch electrical equipment;
Fig. 4 is control shown in Figure 3 and the protection switch electrical equipment cutaway view along the A-A line;
Fig. 5 is a kind of explosive view of control shown in Figure 1 and protection switch electrical equipment;
Fig. 6 is control shown in Figure 1 and the protection switch electrical equipment a kind of explosive view during from another viewed.
Be labeled as shown in the accompanying drawing: base 1, pedestal 11, end of incoming cables 111, leading-out terminal 112, middle-end 113, containing hole 114, putting groove 115; Groove 116, draw-in groove 117, bearing 118, open-work 119, base plate 12, spacing flange 121, stopper slot 122; Overcurrent release circuit breaker 2, current transformer 3, connecting terminal components 4, input terminal assembly 41, screw 411, framework 412, base 4121; Wiring trip bolt 413, terminal block 414, clamp district 4141, fastening zone 4142, fastening screw 4143, bonding pad 4144; Securing member 415, outlet terminal assembly 42, copper cash 5, wire connection cavity 61, support 62, installing zone 63.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 6 has shown a kind of embodiment of the present invention, and wherein Fig. 1 is a kind of perspective view of the present invention; Fig. 2 is control shown in Figure 1 and the protection switch electrical equipment a kind of perspective view during from another viewed; Fig. 3 is a kind of vertical view of control shown in Figure 1 and protection switch electrical equipment; Fig. 4 is control shown in Figure 3 and the protection switch electrical equipment cutaway view along the A-A line; Fig. 5 is a kind of explosive view of control shown in Figure 1 and protection switch electrical equipment; Fig. 6 is control shown in Figure 1 and the protection switch electrical equipment a kind of explosive view during from another viewed.
Present embodiment is a kind of control and protection switch electrical equipment, sees that Fig. 1 to shown in Figure 6, comprises base 1, and is arranged on three the overcurrent release circuit breakers 2 in the base 1, three current transformers 3 and six set of connections terminal assemblies 4; Said base 1 comprises pedestal 11 and base plate 12; The two ends of said pedestal 11 are respectively end of incoming cables 111 and leading-out terminal 112; Said pedestal 11 middle-ends 113 are provided with three containing holes 114 that are used to put overcurrent release circuit breaker 2, are provided with the putting groove 115 that is used to put current transformer 3 between said containing hole 114 and the end of incoming cables 111; Said base plate 12 is arranged on pedestal 11 diapires; Said connecting terminal components 4 comprises three groups of input terminal assemblies 41 and three groups of outlet terminal assemblies 42, is separately positioned on the end of incoming cables 111 and leading-out terminal 112 of pedestal 11.
Said pedestal 11 diapires are provided with groove 116, and said base plate 12 is fixed in this groove 116 through trip bolt.
Be provided with six bearings 118 in the said putting groove 115, be combined into three draw-in grooves 117 that are used to locate each current transformer 3 in twos; The basic configuration of each current transformer 3 is circular, is fastened in the corresponding draw-in groove 117.
Said three current transformers 3 are lined up isosceles triangle.
Said each input terminal assembly 41 comprise the rectangular frame 412 that is provided with screw 411, with rectangular frame 412 on screw 411 the wiring trip bolt 413, the terminal block 414 that is electrically connected with a corresponding overcurrent release circuit breaker 2 that match and be used for terminal block 414 is fixed on the securing member 415 on the pedestal 11; Said terminal block 414 is provided with the clamp district 4141 that inserts in the rectangular frame 412, and external cable can be clamped between the base 4121 of diapire and rectangular frame 412 in clamp district 4141.
Said each terminal block 414 also is provided with fastening zone 4142, and said fastening zone 4142 is provided with fastening screw 4143; Said putting groove 115 diapires be provided with each terminal block 414 on the open-work 119 that matches of fastening screw 4143, said each securing member 415 upwards inserts each open-work 119 and is rotated with the screw of a corresponding terminal block 414 from pedestal 11 diapires.
Said each terminal block 414 also comprises the bonding pad 4144 that is used to connect said clamp district 4141 and fastening zone 4142; The vertical bending of one end of said fastening zone 4142 is extended the back and is formed bonding pad 4144, and said bonding pad 4144 forms clamp district 4141 away from the vertical bending of an end of fastening zone 4142 and towards extending the back away from the direction of fastening zone 4142.
Be used to connect the bonding pad 4144 that overcurrent release circuit breaker 2 and the copper cash 5 of a corresponding terminal block 414 are weldingly fixed on this terminal block 414, said each copper cash 5 passes a corresponding current transformer 3.
The end of incoming cables 111 and the leading-out terminal 112 of said pedestal 11 respectively are provided with three wire connection cavities 61 that are used to put connecting terminal components 4; Said base plate 12 is provided with the spacing flange 121 that matches with a corresponding wire connection cavity 61 of being used for that protrudes from base plate 12 roofs, each spacing flange 121 inner stopper slot 122 that form; The bottom of said each connecting terminal components 4 is arranged in a corresponding stopper slot 122.
Said each spacing flange 121 is one-body molded through injection molding and base plate 12.
Said pedestal 11 middle-ends 113 roofs are provided with the support 62 that is used for spacing overcurrent release circuit breaker 2, and this support 62 is one-body molded through injection molding and pedestal 11; In addition, also can be used for installing and fixing manual-operating mechanism on these support 62 roofs.
Said pedestal 11 also is provided with the installing zone 63 that is used to install electromagnetism transmission mechanism on the roof between support 62 and the leading-out terminal 112.
The present embodiment structure is compact and reasonable comparatively, and assembling and inspection operation are comparatively convenient.
Obviously, the above embodiment of the present invention only be for clearly the present invention is described and is done for example, and be not to be qualification to execution mode of the present invention.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that connotation of the present invention extends out and still belong to protection scope of the present invention.

Claims (9)

1. control and protection switch electrical equipment comprise base (1), and are arranged on three overcurrent release circuit breakers (2), three current transformers (3) and six set of connections terminal assemblies (4) in the base (1); It is characterized in that:
Said base (1) comprises pedestal (11) and base plate (12); The two ends of said pedestal (11) are respectively end of incoming cables (111) and leading-out terminal (112); Said pedestal (11) middle-end (113) is provided with three containing holes (114) that are used to put overcurrent release circuit breaker (2), is provided with the putting groove (115) that is used to put current transformer (3) between said containing hole (114) and end of incoming cables (111); Said base plate (12) is arranged on pedestal (11) diapire; Said connecting terminal components (4) comprises three groups of input terminal assemblies (41) and three groups of outlet terminal assemblies (42), is separately positioned on the end of incoming cables (111) and the leading-out terminal (112) of pedestal (11).
2. control according to claim 1 and protection switch electrical equipment is characterized in that: said pedestal (11) diapire is provided with groove (116), and said base plate (12) is fixed in this groove (116).
3. control according to claim 1 and protection switch electrical equipment is characterized in that: be provided with the draw-in groove (117) that is used to locate each current transformer (3) in the said putting groove (115).
4. control according to claim 3 and protection switch electrical equipment is characterized in that: be provided with six bearings (118) in the said putting groove (115), be combined into three draw-in grooves (117) in twos; The basic configuration of each current transformer (3) is circular, is fastened in the corresponding draw-in groove (117).
5. control according to claim 4 and protection switch electrical equipment is characterized in that: said three current transformers (3) are lined up isosceles triangle.
6. control according to claim 1 and protection switch electrical equipment; It is characterized in that: the end of incoming cables (111) of said pedestal (11) and leading-out terminal (112) respectively are provided with three wire connection cavities (61) that are used to put connecting terminal components (4); Said base plate (12) is provided with the spacing flange (121) that matches with a corresponding wire connection cavity (61) of being used for that protrudes from base plate (12) roof, the inner stopper slot (122) that forms of each spacing flange (121); The bottom of said each connecting terminal components (4) is arranged in a corresponding stopper slot (122).
7. control according to claim 6 and protection switch electrical equipment is characterized in that: said each spacing flange (121) is one-body molded through injection molding and base plate (12).
8. control according to claim 1 and protection switch electrical equipment; It is characterized in that: said pedestal (11) middle-end (113) roof is provided with the support (62) that is used for spacing overcurrent release circuit breaker (2), and this support (62) is one-body molded through injection molding and pedestal (11).
9. control according to claim 8 and protection switch electrical equipment is characterized in that: said pedestal (11) also is provided with the installing zone (63) that is used to install electromagnetism transmission mechanism on the roof between support (62) and the leading-out terminal (112).
CN201210112661.4A 2012-04-17 2012-04-17 Control and protective switching device Expired - Fee Related CN102655064B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CN201710059121.7A CN106971918A (en) 2012-04-17 2012-04-17 Device for switching
CN201710059122.1A CN107068494A (en) 2012-04-17 2012-04-17 Device for switching
CN201210112661.4A CN102655064B (en) 2012-04-17 2012-04-17 Control and protective switching device
CN201710059212.0A CN107069439A (en) 2012-04-17 2012-04-17 A kind of device for switching
CN201710059123.6A CN107069438A (en) 2012-04-17 2012-04-17 A kind of device for switching
CN201710059214.XA CN107068499A (en) 2012-04-17 2012-04-17 Device for switching
CN201710059215.4A CN107069440A (en) 2012-04-17 2012-04-17 A kind of device for switching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210112661.4A CN102655064B (en) 2012-04-17 2012-04-17 Control and protective switching device

Related Child Applications (6)

Application Number Title Priority Date Filing Date
CN201710059212.0A Division CN107069439A (en) 2012-04-17 2012-04-17 A kind of device for switching
CN201710059121.7A Division CN106971918A (en) 2012-04-17 2012-04-17 Device for switching
CN201710059123.6A Division CN107069438A (en) 2012-04-17 2012-04-17 A kind of device for switching
CN201710059215.4A Division CN107069440A (en) 2012-04-17 2012-04-17 A kind of device for switching
CN201710059214.XA Division CN107068499A (en) 2012-04-17 2012-04-17 Device for switching
CN201710059122.1A Division CN107068494A (en) 2012-04-17 2012-04-17 Device for switching

Publications (2)

Publication Number Publication Date
CN102655064A true CN102655064A (en) 2012-09-05
CN102655064B CN102655064B (en) 2017-02-22

Family

ID=46730675

Family Applications (7)

Application Number Title Priority Date Filing Date
CN201710059212.0A Pending CN107069439A (en) 2012-04-17 2012-04-17 A kind of device for switching
CN201710059121.7A Pending CN106971918A (en) 2012-04-17 2012-04-17 Device for switching
CN201710059122.1A Pending CN107068494A (en) 2012-04-17 2012-04-17 Device for switching
CN201210112661.4A Expired - Fee Related CN102655064B (en) 2012-04-17 2012-04-17 Control and protective switching device
CN201710059214.XA Pending CN107068499A (en) 2012-04-17 2012-04-17 Device for switching
CN201710059123.6A Pending CN107069438A (en) 2012-04-17 2012-04-17 A kind of device for switching
CN201710059215.4A Pending CN107069440A (en) 2012-04-17 2012-04-17 A kind of device for switching

Family Applications Before (3)

Application Number Title Priority Date Filing Date
CN201710059212.0A Pending CN107069439A (en) 2012-04-17 2012-04-17 A kind of device for switching
CN201710059121.7A Pending CN106971918A (en) 2012-04-17 2012-04-17 Device for switching
CN201710059122.1A Pending CN107068494A (en) 2012-04-17 2012-04-17 Device for switching

Family Applications After (3)

Application Number Title Priority Date Filing Date
CN201710059214.XA Pending CN107068499A (en) 2012-04-17 2012-04-17 Device for switching
CN201710059123.6A Pending CN107069438A (en) 2012-04-17 2012-04-17 A kind of device for switching
CN201710059215.4A Pending CN107069440A (en) 2012-04-17 2012-04-17 A kind of device for switching

Country Status (1)

Country Link
CN (7) CN107069439A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113270752B (en) * 2021-04-19 2022-09-13 深圳市创杰峰控制科技有限公司 I/O signal switching module

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US5015983A (en) * 1990-06-18 1991-05-14 General Electric Company Compact circuit interrupter having multiple ampere ratings
CN2472341Y (en) * 2001-03-26 2002-01-16 上海电器科学研究所 Integrated controlling and protecting switch device
CN102347168A (en) * 2011-09-20 2012-02-08 胡俊兵 Low-voltage intelligent circuit breaker with plastic shell
CN202585276U (en) * 2012-04-17 2012-12-05 温州控保电气有限公司 Control and protection switch device

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DE3824546A1 (en) * 1988-07-20 1990-01-25 Asea Brown Boveri ELECTRIC CIRCUIT BREAKER
JPH103843A (en) * 1996-06-14 1998-01-06 Mitsubishi Electric Corp Circuit breaker
DE19940971B4 (en) * 1999-08-20 2009-06-10 Wago Verwaltungsgesellschaft Mbh Electrical conductor terminal with a busbar
AT504455A1 (en) * 2005-11-10 2008-05-15 Moeller Gebaeudeautomation Kg SWITCHGEAR
CN201048281Y (en) * 2007-03-06 2008-04-16 瑞安市工泰电器有限公司 Motor protection breaker
CN100574033C (en) * 2007-12-21 2009-12-23 王卫东 Plastic shell type electromechanical integration three phase AC electric motor protector
CN201570466U (en) * 2009-12-25 2010-09-01 刘永华 Energy conservation type circuit safety intelligent controller

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5015983A (en) * 1990-06-18 1991-05-14 General Electric Company Compact circuit interrupter having multiple ampere ratings
CN2472341Y (en) * 2001-03-26 2002-01-16 上海电器科学研究所 Integrated controlling and protecting switch device
CN102347168A (en) * 2011-09-20 2012-02-08 胡俊兵 Low-voltage intelligent circuit breaker with plastic shell
CN202585276U (en) * 2012-04-17 2012-12-05 温州控保电气有限公司 Control and protection switch device

Also Published As

Publication number Publication date
CN107069439A (en) 2017-08-18
CN107068494A (en) 2017-08-18
CN107069438A (en) 2017-08-18
CN102655064B (en) 2017-02-22
CN107068499A (en) 2017-08-18
CN107069440A (en) 2017-08-18
CN106971918A (en) 2017-07-21

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