EP0103167A1 - Interrupteur avec déclenchement par un courant de fuite - Google Patents

Interrupteur avec déclenchement par un courant de fuite Download PDF

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Publication number
EP0103167A1
EP0103167A1 EP83107884A EP83107884A EP0103167A1 EP 0103167 A1 EP0103167 A1 EP 0103167A1 EP 83107884 A EP83107884 A EP 83107884A EP 83107884 A EP83107884 A EP 83107884A EP 0103167 A1 EP0103167 A1 EP 0103167A1
Authority
EP
European Patent Office
Prior art keywords
neutral conductor
release
current
magnetic
switching
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
EP83107884A
Other languages
German (de)
English (en)
Other versions
EP0103167B1 (fr
Inventor
Gottfried Prof.-Dr. Biegelmeier
G.R.C. Mcdowell
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.)
BBC Brown Boveri AG Germany
Original Assignee
Brown Boveri und Cie AG Germany
BBC Brown Boveri AG Germany
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 claimed from AT314382A external-priority patent/AT374969B/de
Priority claimed from AT64083A external-priority patent/AT378444B/de
Application filed by Brown Boveri und Cie AG Germany, BBC Brown Boveri AG Germany filed Critical Brown Boveri und Cie AG Germany
Publication of EP0103167A1 publication Critical patent/EP0103167A1/fr
Application granted granted Critical
Publication of EP0103167B1 publication Critical patent/EP0103167B1/fr
Expired legal-status Critical Current

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Classifications

    • 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
    • H01H71/002—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00 with provision for switching the neutral conductor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
    • H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
    • H01H83/226—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages with differential transformer
    • 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
    • H01H71/002—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00 with provision for switching the neutral conductor
    • H01H2071/004—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00 with provision for switching the neutral conductor with a tripping or current sensing device in the neutral wire, e.g. for third harmonics in a three fase system
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
    • H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
    • H01H2083/045—Auxiliary switch opening testing circuit in synchronism with the main circuit

Definitions

  • the invention relates to a circuit breaker with residual current release, consisting of juxtaposed components (switch alignments), in which the pole paths for the interruption of the phase conductor and the neutral conductor are housed and which contain the interlocked switch locks with the thermal and magnetic triggers, the switching alignment of the Neutral conductor is not a thermal release, but components for the magnetic release and the switching mechanism, which are similar to the corresponding components in the switching alignments of the phase conductors, are arranged, and the current path of the neutral conductor from the connection terminals via the summation current transformer, which also detects the phase conductors, to the interrupter contacts is led.
  • Residual current is abbreviated below by FI, line protection by LS.
  • Combined circuit breaker residual current protection switches are known.
  • DE-AS 1 169 015 describes such a switch in which a component which contains the residual current release is attached to a component designed as a circuit breaker transversely to the connecting line of the connection terminals.
  • a transmission element is provided between the two components for the residual current release to act on the switching mechanism.
  • DE-AS 1 256 775 attempts to solve the problem by arranging the receptacle spaces for the switch contacts in parallel with one another and parallel to the connecting line of the connection terminals in multipole switches and in that the switch space is divided into three parts, in which the switching poles and the arc-quenching device in one room part, short-circuit and overcurrent releases as well as switch mechanics and summation current transformers in a second room part, fault current relays and test equipment are housed in a third room part.
  • DE-AS 1 280 382 it is again proposed to make the circuit breaker part of each current branch independent of the other circuit breaker pole sections and to check all branches together for fault current.
  • DE-AS 1 563 827 also uses a residual current circuit breaker for a combined residual current circuit breaker, to which independent switches, in particular line circuit breakers, are attached, the switch locks of which are coupled to one another in a suitable manner.
  • DE-AS 2 754 033 RCD switches and LS switches are connected to one another in such a way that only one common input terminal is present.
  • the connection of two switching mechanisms for the residual current circuit breaker and the circuit breaker is also described in European Patent 0 014 871 and DE-AS 2 654 373.
  • every residual current circuit breaker has a test facility, when it is actuated in the switch via an artificial limiting resistor by an artificial fault current flows, which triggers the circuit breaker.
  • This fault current is always higher than the tripping nominal fault current of the circuit breaker.
  • the relevant regulations usually stipulate that when the test device is actuated, the number of excitation winding turns generated by the test current in the current transformer of the circuit breaker must not be higher than 2.5 times the number of ampere turns generated by the nominal value of the tripping fault current . Assuming, for example, a circuit breaker with a nominal tripping fault current of 0.5 A, a maximum of 1.25 A can flow when the test device is actuated.
  • test button is used for this purpose, which is coupled to the drive axis of the switch.
  • This solution is also structurally unfavorable because the actuator and test button are spatially dependent on one another and cannot be provided in those places that would be optimal from the point of view of the ease of operation.
  • a mechanical test button lock also describes AT-PS 317 347. All solutions for testing direction, but can not eliminate the difficulties that exist with regard to the adverse influence of the electronic trigger unit if the network and consumer side are connected incorrectly.
  • the invention now aims to provide a circuit breaker with residual current release which offers significant advantages over the previously known solutions both in terms of economy and in terms of the reliability of the trip.
  • the line circuit breaker with residual current release should be easy to install, so that when connecting the line and consumer side can be interchanged as desired.
  • a line voltage-dependent electronic amplifying device is arranged in the switching line of the neutral conductor and in that the tripping coil of the magnetic release arranged in the switching line of the neutral conductor is connected to the network via the amplifying device and the summation current transformer, as a result of which the magnetic trip unit flows when a fault current flows is operated.
  • the magnetic release in the switching alignment of the neutral conductor and the associated switching lock have essentially the same components as the magnetic release and the switching locks in the switching alignment of the phase conductors.
  • the trigger coil of the magnetic release in the neutral circuit with the corresponding number of turns is connected to the mains via the electronic circuit and actuates the magnetic release when a fault current flows.
  • the current path of the neutral conductor is via the summation current transformer from the connection terminals to the breaker contacts. It is achieved by this invention that practically the same components can be used for fault current tripping with the exception of the tripping coil as for overcurrent tripping in the switching lines of the phase conductors. This, however, is extremely economical and, in terms of reliability, the same level is achieved for residual current tripping as was previously the case with overcurrent tripping.
  • the trigger coil of the magnetic release can be designed in two parts in the switching alignment of the neutral conductor, one coil being connected to the mains via a suitable electronic circuit and actuating the magnetic release when a fault current flows, and the neutral current flowing through the other coil and also actuates the magnetic release when a certain set value of the neutral conductor current is exceeded.
  • a circuit breaker with residual current release is proposed according to the invention, which carries out one instead of an interrupter contact in the neutral conductor Neutral conductor.
  • the contact that becomes free in the switching alignment of the neutral conductor is used as an auxiliary contact for switching off the mains voltage supply for the test circuit and the electronic amplification device.
  • Figure 7 shows the circuit diagram.
  • the power supply line for the amplifier and test device has an interrupter contact which is similar in structure to the interrupter contacts of the phase conductors.
  • the current path of the neutral conductor is routed together with the current paths of the phase conductors via the summation current transformer, but is not routed via the break contact, i.e. it connects the two terminals for the mains and consumer-side neutral conductor connection directly.
  • the interrupter contact in the neutral conductor switching alignment is used according to FIG. 7 as an auxiliary contact for switching off the mains voltage supply for the test circuit and the electronic amplification device.
  • the movable contact bridge for the auxiliary contact will be designed in the same way as for a neutral conductor contact, i.e., prematurely closing and delaying opening. Since only small currents flow in the trip circuit, such a contact is extremely oversized and therefore reliable.
  • the invention not only reduces the various components required for such a circuit breaker, but also brings about the same triggering Reliability that was previously common with circuit breakers.
  • Figure 1 shows the elevation of a closed circuit breaker, consisting of juxtaposed components (switch alignments) 1 for the phase conductor L1 with the associated terminals 13a and 14a and 2 for the neutral conductor N with the associated terminals 13b and 14b.
  • the actuating member of the circuit breaker consists of switching knobs 12a and 12b coupled together. The coupling of the switch locks inside the circuit breaker is not visible.
  • the circuit breaker which is designed as a line circuit breaker with residual current release and thus acts, has a test device 15, with which a test circuit is closed when the push button 15a is pressed, in which the test fault current flows. Such a test device as such is known.
  • FIG. 2 shows the interior of the switching alignment for the phase conductor L1.
  • a connecting conductor 20 runs from the connecting terminal 13a through a first opening 21 in the housing side wall of the circuit breaker, through which it leads to the fault current component (see below). From there it is reinserted into the circuit breaker through a second opening 22 and is connected to one end of a thermal overcurrent release 4. At the other end of the overcurrent release 4 there is a connecting line 23 which leads to the coil of a magnetic release 3a. Its end is electrically conductively connected via a further connecting line 24 to a contact lever 5, the free end of which has a movable contact piece 8 which interacts with a fixed contact piece 9 fastened to an arc guide rail 25 which leads to the terminal 14a.
  • the contact point 8/9 is assigned an arc quenching plate packet 10.
  • a switch lock that consists of a rotatably mounted double arm lever 11 which is articulated to a knee joint lever arrangement 26 at one end; In the area of the knee of the lever arrangement 26, a connecting rod 27 to the switching toggle 12a is provided. The other end of the lever arrangement 26 is attached to the contact lever 5.
  • the double arm lever interacts with a latching lever 28 in such a way that the double arm lever is supported against the arm 28.
  • a transmission lever 29 By means of a transmission lever 29, the movement of the bimetallic strip or the thermal release 4 is transmitted to the latching lever 28, so that under the pressure of a contact opening spring 30 when the lever 28 is pivoted counterclockwise the lock is released, so that the switching mechanism locks the movable contact lever 5 can spend in the off position.
  • the lever 28 is additionally actuated by the magnetic trigger 3a, in such a way that the armature 6 is knocked out to the left of the magnetic trigger 3a when a short-circuit current occurs and thus sets the lever 28 in rotation.
  • the armature 6 of the quick release or the magnetic release 3a is additionally connected to the movable contact lever 5 via a mechanical coupling 7, which supports the opening movement of this contact lever. The arc is thereby driven rapidly into the arc-quenching plates 10 by the movable contact lever 5 and the fixed contact piece 9 interacting therewith.
  • a test line 31 is also connected to the arc guide rail 25 and has a contact point 32 which can be bridged by means of the test device 15.
  • the test line 31 is replaced by a third Opening 33 in the housing leads to the residual current component (see below).
  • FIG. 3 shows the interior of the switching alignment for the neutral conductor.
  • the neutral conductor N which is passed through a summation current transformer 16 and has its other end connected to a contact lever 5, is connected to the connecting terminal 13b.
  • the line 20 is also passed through the summation current transformer, openings 34 and 35 being visible, which correspond to the openings 21 and 22 and through which the line 20 forming the phase conductor is led into and out of the component.
  • a secondary winding 16a is wound around the summation current transformer 16, which is connected to an amplifier device 17, the output of which is fed to the magnetic release 3b.
  • the amplifier device 17 is supplied with current by means of the supply lines 36.
  • test line 31 is introduced into the interior of the fault current component via an opening 37 and is fed to the amplifier 17 via the line section 18.
  • the other connection of the amplifier is connected via a line 38 to the arc guide rail 25, to which the fixed contact piece 9 is attached, which arc guide rail 25 is connected to the terminal 14b.
  • the amplifier 17 is dependent on the mains voltage and the trigger coil of the quick release 3b is no longer in the main circuit; but becomes an error when flowing current through the amplifier to the mains voltage, whereby the circuit breaker is triggered with the help of the mains energy.
  • the main current path of the neutral conductor is conducted directly from the connection terminals 13b and 14b via the summation current transformer to the contacts 8/9.
  • FIG. 4 shows a partial illustration of an electromagnetic quick release with two release coils 3d and 3c.
  • the coil 3d corresponds to the coil of the trigger 3b, lies in the main circuit and flows through the neutral conductor current. In the case of pure short circuits without fault current, it supports the opening movement of the movable contact piece or the contact lever 5 via the mechanical coupling 7.
  • the coil 3c is connected when a fault current flows through the amplifier and thereby triggers the circuit breaker.
  • FIG. 5 shows the interior of the switching line for neutral conductor N, which is led through the summation current transformer 16, but does not end at the movable contact lever, but is connected to the connection terminal 14b.
  • the neutral conductor N is electrically and galvanically connected via an intermediate line 40 both to a line branch 41 and to a line branch 42, which line branch is introduced into the line circuit breaker component via openings that are not numbered in more detail and contains the test device 15 there.
  • the test device is connected to the fixed contact piece 9 via a conductor 43 and to the amplifier 17 via an intermediate piece 44.
  • the phase conductor 20 is connected to the movable contact lever 5 via a connecting conductor 20a.
  • the tripping coil of the electromagnetic quick release 3b is no longer in the main circuit, but is connected to the mains voltage when a fault current flows through the amplifier, as a result of which the circuit breaker triggers with the aid of the mains energy.
  • the main current path of the neutral conductor thus connects the terminals directly and leads via the summation current transformer.
  • the power supply line from the test device and amplifier goes from the phase conductor to the break contact, the spring 30 providing the necessary contact pressure.
  • FIG. 6 shows the circuit arrangement of the component according to FIG. 3 including test device 15.
  • the terminals of the phase conductor are 14a and 13a and those of the neutral conductor 14b and 13b.
  • the terminals 14a and 14b are connected to the network and the terminals 13a and 13b are connected to the consumer.
  • the test device is arranged at one end behind the contact point 8/9 in the phase conductor L1, so that when the contact point 8/9 has opened, no more current can flow to the amplifier via a series resistor 50 when the test device 15 is closed.
  • the network is connected to terminals 13a and 13b and the consumer side to terminals 14a and 14b, then there is the problem that when the test device 15 is closed, the full current on the network side can be applied to the test device 17. It can be seen that the configuration according to FIGS. 3 and 6 is dependent on the position in any case; the two pairs of terminals must not be confused with each other will.
  • the supply line leads from the phase conductor L1 to the test device via the contact point 8a / 9a, which opens when triggered together with the main contact point 8/9. This makes it irrelevant whether mains voltage is present at the terminal pairs 14a / 14b or at the terminal pairs 13a / 13b. In any case, the line to the test device 15 is opened by the two contacts 8a / 9a.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
EP19830107884 1982-08-19 1983-08-10 Interrupteur avec déclenchement par un courant de fuite Expired EP0103167B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT314382A AT374969B (de) 1982-08-19 1982-08-19 Leitungsschutzschalter mit fehlerstromausloesung
AT3143/82 1982-08-19
AT64083A AT378444B (de) 1983-02-24 1983-02-24 Leitungsschutzschalter mit durchgefuehrtem neutralleiter und fehlerstromausloesung
AT640/83 1983-02-24

Publications (2)

Publication Number Publication Date
EP0103167A1 true EP0103167A1 (fr) 1984-03-21
EP0103167B1 EP0103167B1 (fr) 1987-11-11

Family

ID=25593433

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19830107884 Expired EP0103167B1 (fr) 1982-08-19 1983-08-10 Interrupteur avec déclenchement par un courant de fuite

Country Status (2)

Country Link
EP (1) EP0103167B1 (fr)
DE (1) DE3374487D1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412273A1 (de) * 1984-04-02 1985-10-10 Heinrich Kopp Gmbh & Co Kg, 8756 Kahl Leitungsschutzschalter mit differenzstromausloesung
FR2578093A1 (fr) * 1985-02-27 1986-08-29 Merlin Gerin Disjoncteur differentiel unipolaire et neutre
FR2596916A1 (fr) * 1986-04-04 1987-10-09 Telemecanique Electrique Disjoncteur bipolaire a ouverture automatique ou manuelle avec electro-aimant bistable et noyau percuteur magnetisable
DE3642471A1 (de) * 1986-12-12 1988-06-23 Bbc Brown Boveri & Cie Schutzschalterkombination
EP0456585A1 (fr) * 1990-05-10 1991-11-13 Merlin Gerin Disjoncteur différentiel unipolaire et neutre
FR2715517A1 (fr) * 1994-01-26 1995-07-28 Merlin Gerin Bloc déclencheur différentiel.
DE4413418A1 (de) * 1994-04-18 1995-10-19 Abb Patent Gmbh Schutzschalter mit einem Leitungsschutzschalter und einem daran anbaubaren Fehlerstrombauteil
EP1164615A1 (fr) * 2000-06-14 2001-12-19 Siemens Aktiengesellschaft Disjoncteur multipolaire
EP2175468A2 (fr) * 2008-10-10 2010-04-14 ABB S.p.A. Interrupteur automatique bipolaire pour applications de basse tension
CN104183434A (zh) * 2014-07-16 2014-12-03 浙江天正电气股份有限公司 一种具有反接线结构的漏电断路器
CN105655207A (zh) * 2014-11-28 2016-06-08 Abb 瑞士有限公司 组合的线路-和故障电流保护开关
CN114156702A (zh) * 2021-11-26 2022-03-08 国网辽宁省电力有限公司大连供电公司 一种零线断线保护式插排

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE877165C (de) * 1951-11-01 1953-05-21 Felten & Guilleaume Carlswerk Aus Sockel und Oberteil bestehender Schutzschalter
DE1169015B (de) * 1962-09-28 1964-04-30 Siemens Ag Elektrische Schutzschalter mit UEberstrom-, Kurzschluss- und Fehlerstromausloeser
GB1107879A (en) * 1964-04-17 1968-03-27 J A Crabtree Proprietary Ltd Improvements in or relating to earth leakage protection devices
AT317347B (de) * 1972-04-26 1974-08-26 Felten & Guilleaume Ag Oester Fehlerstromschutzschalter mit mechanischer Verriegelung der Prüfeinrichtung
DE2618288B2 (de) * 1976-04-27 1980-01-31 Brown, Boveri & Cie Ag, 6800 Mannheim Installations-Selbstschalter
EP0074576A2 (fr) * 1981-09-14 1983-03-23 Siemens Aktiengesellschaft Interrupteur de protection à courant de défaut et disjoncteur de protection combinés

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE877165C (de) * 1951-11-01 1953-05-21 Felten & Guilleaume Carlswerk Aus Sockel und Oberteil bestehender Schutzschalter
DE1169015B (de) * 1962-09-28 1964-04-30 Siemens Ag Elektrische Schutzschalter mit UEberstrom-, Kurzschluss- und Fehlerstromausloeser
GB1107879A (en) * 1964-04-17 1968-03-27 J A Crabtree Proprietary Ltd Improvements in or relating to earth leakage protection devices
AT317347B (de) * 1972-04-26 1974-08-26 Felten & Guilleaume Ag Oester Fehlerstromschutzschalter mit mechanischer Verriegelung der Prüfeinrichtung
DE2618288B2 (de) * 1976-04-27 1980-01-31 Brown, Boveri & Cie Ag, 6800 Mannheim Installations-Selbstschalter
EP0074576A2 (fr) * 1981-09-14 1983-03-23 Siemens Aktiengesellschaft Interrupteur de protection à courant de défaut et disjoncteur de protection combinés

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BBC-NACHRICHTEN, Nr. 6, 1979 V. NEUMEYER et al. "Personenschutz-Automaten für erweiterten Personenschutz", Druckschrift DNG 315081 D *

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412273A1 (de) * 1984-04-02 1985-10-10 Heinrich Kopp Gmbh & Co Kg, 8756 Kahl Leitungsschutzschalter mit differenzstromausloesung
FR2578093A1 (fr) * 1985-02-27 1986-08-29 Merlin Gerin Disjoncteur differentiel unipolaire et neutre
EP0196241A1 (fr) * 1985-02-27 1986-10-01 Merlin Gerin Disjoncteur différentiel unipolaire et neutre
FR2596916A1 (fr) * 1986-04-04 1987-10-09 Telemecanique Electrique Disjoncteur bipolaire a ouverture automatique ou manuelle avec electro-aimant bistable et noyau percuteur magnetisable
DE3642471A1 (de) * 1986-12-12 1988-06-23 Bbc Brown Boveri & Cie Schutzschalterkombination
EP0456585A1 (fr) * 1990-05-10 1991-11-13 Merlin Gerin Disjoncteur différentiel unipolaire et neutre
FR2662017A1 (fr) * 1990-05-10 1991-11-15 Merlin Gerin Disjoncteur differentiel unipolaire et neutre.
FR2715517A1 (fr) * 1994-01-26 1995-07-28 Merlin Gerin Bloc déclencheur différentiel.
EP0665569A1 (fr) * 1994-01-26 1995-08-02 Schneider Electric Sa Bloc déclencheur différentiel
DE4413418A1 (de) * 1994-04-18 1995-10-19 Abb Patent Gmbh Schutzschalter mit einem Leitungsschutzschalter und einem daran anbaubaren Fehlerstrombauteil
EP1164615A1 (fr) * 2000-06-14 2001-12-19 Siemens Aktiengesellschaft Disjoncteur multipolaire
EP2175468A2 (fr) * 2008-10-10 2010-04-14 ABB S.p.A. Interrupteur automatique bipolaire pour applications de basse tension
EP2175468A3 (fr) * 2008-10-10 2013-09-04 ABB S.p.A. Interrupteur automatique bipolaire pour applications de basse tension
CN104183434A (zh) * 2014-07-16 2014-12-03 浙江天正电气股份有限公司 一种具有反接线结构的漏电断路器
CN105655207A (zh) * 2014-11-28 2016-06-08 Abb 瑞士有限公司 组合的线路-和故障电流保护开关
EP3035359A3 (fr) * 2014-11-28 2016-09-14 ABB Schweiz AG Commutateur de protection du courant contre l'erreur/de conduite combine
CN114156702A (zh) * 2021-11-26 2022-03-08 国网辽宁省电力有限公司大连供电公司 一种零线断线保护式插排
CN114156702B (zh) * 2021-11-26 2023-08-25 国网辽宁省电力有限公司大连供电公司 一种零线断线保护式插排

Also Published As

Publication number Publication date
EP0103167B1 (fr) 1987-11-11
DE3374487D1 (en) 1987-12-17

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