EP4391005A1 - Überspannungsschutzanordnung und anschlussmodul dafür - Google Patents

Überspannungsschutzanordnung und anschlussmodul dafür Download PDF

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Publication number
EP4391005A1
EP4391005A1 EP22315337.0A EP22315337A EP4391005A1 EP 4391005 A1 EP4391005 A1 EP 4391005A1 EP 22315337 A EP22315337 A EP 22315337A EP 4391005 A1 EP4391005 A1 EP 4391005A1
Authority
EP
European Patent Office
Prior art keywords
connection terminal
modular
face
neutral
housing
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
EP22315337.0A
Other languages
English (en)
French (fr)
Inventor
Steve DORGLER
Marine GENNERAT
Yannick HUCK
Antoine SCHWAAB
Ralf Lange
Monika Stuckmann
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.)
Phoenix Contact GmbH and Co KG
Hager Electro SAS
Original Assignee
Phoenix Contact GmbH and Co KG
Hager Electro SAS
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 Phoenix Contact GmbH and Co KG, Hager Electro SAS filed Critical Phoenix Contact GmbH and Co KG
Priority to EP22315337.0A priority Critical patent/EP4391005A1/de
Publication of EP4391005A1 publication Critical patent/EP4391005A1/de
Pending 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
    • H01H71/08—Terminals; Connections
    • H01H71/082—Connections between juxtaposed circuit breakers
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2675—Electrical interconnections between two blocks, e.g. by means of busbars
    • 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
    • H01H71/10—Operating or release mechanisms
    • H01H71/1009—Interconnected mechanisms
    • 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
    • H01H71/10—Operating or release mechanisms
    • H01H71/1009—Interconnected mechanisms
    • H01H71/1018—Interconnected mechanisms with only external interconnections
    • 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
    • H01H83/10—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess voltage, e.g. for lightning protection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/08—Overvoltage arresters using spark gaps structurally associated with protected apparatus

Definitions

  • the invention relates to the field of surge protection assemblies.
  • modular electrical protection devices of the modular circuit breaker type commonly called by its English designation MCB meaning Miniature Circuit Breaker or of the modular surge protector type commonly called by its English designation SPD meaning Surge Protection are known. Device.
  • MCB Miniature Circuit Breaker
  • SPD Standardge Protection
  • Such a modular circuit breaker makes it possible to provide protection against short-circuit and overload type faults.
  • such a modular surge protector makes it possible to provide protection against overvoltage type faults, for example due to lightning.
  • the publication EP1447831A1 illustrates that it is known to couple a modular circuit breaker and a modular surge protector to create a surge protection assembly.
  • a modular circuit breaker comprising a phase line and a neutral line can be coupled to a surge protector comprising a phase line, a neutral line and an earth line.
  • electrical and mechanical connection means which are integrated into the surge arrester and which can cooperate electrically with one end of the circuit breaker to connect the phase lines to each other and to connect the neutral lines to each other.
  • This configuration has the disadvantage of requiring modifying the shape of the surge arrester housing.
  • the aim of the present invention is to propose an alternative solution which avoids modifying the shape of the surge arrester housing.
  • the invention relates to an overvoltage protection assembly according to claim 1.
  • the invention also relates to a connection module according to claim 12.
  • this solution makes it possible to offer a set of protection against overvoltages in the form of three distinct entities, with a modular circuit breaker 1 and a modular surge protector 5 which can be connected together electrically and mechanically by the addition of a module.
  • connection 12 which is a distinct and separate entity on the one hand from the modular circuit breaker 1 and on the other hand from the modular surge arrester 5.
  • the connection module 12 is neither part of the modular circuit breaker 1, nor of the modular surge arrester 5.
  • connection module 12 makes it possible to electrically connect the first and second phase lines to each other, the first and second neutral lines to each other and to connect the first earth line of the modular surge protector 5 to an earth potential via the exit 15.
  • the modular circuit breaker 1 and the modular surge protector 5 are connected by the connection module 12 to form a monobloc unit 17 and the first phase electrical conductor 10 is connected on the one hand to the second connection terminal of phase 2 of the modular circuit breaker 1 and on the other hand to the third phase connection terminal 6 of the modular surge protector 5, the second neutral electrical conductor 11 is connected on the one hand to the second neutral connection terminal 3 of the modular circuit breaker 1 and on the other hand to the third neutral connection terminal 7 of the modular surge arrester 5, and the input 14 of the second earth connection terminal 13 is connected to the first earth connection terminal 8 of the modular surge arrester 5.
  • the overvoltage protection assembly has a compact architecture in the assembled position PA since it forms a one-piece unit 17 by assembling the three entities, namely the first entity, the second entity and the third entity.
  • the overvoltage protection assembly has the advantage of being reversibly mountable and dismountable, it is thus possible to move from the disassembled position PD, in which the three entities are not connected via ' from the connection module 12, to the assembled position PA and vice versa.
  • the first housing 4 of said modular circuit breaker 1 has a generally parallelepiped shape with two main faces respectively a first left main face 18 and a first right main face 19, and first side faces extending from one to the other of the main faces, namely a first rear face 20, a first front face 21, a first lower face 22 and a first upper face 23,
  • the width of the corresponding modular circuit breaker 1 at the modular distance of the circuit breaker dd between the first left main face 18 and the first right main face 19 corresponds to a multiple of a standardized value, called module, whose value is substantially equal to 18 millimeters, the first connection terminal phase and the first neutral connection terminal emerging from the first upper face 23, and the second phase connection terminal 2 and the second neutral connection terminal 3 emerging from the first lower face 22.
  • the modular circuit breaker 1 has a modular format.
  • the second housing 9 of the modular surge arrester 5 has a generally parallelepiped shape with two main faces respectively a second left main face 24 and a second right main face 25, and second lateral faces extending from one to the other of the main faces, namely a second rear face 26, a second front face 27, a second lower face 28 and a second upper face 29,
  • the width of the modular surge arrester 5 corresponding to the modular distance of the surge arrester dp between the second left main face 24 and the second right main face 25 corresponds to a multiple of a standardized value, called module, the value of which is substantially equal to 18 millimeters, the third phase connection terminal 6, the third neutral connection terminal 7, and the first earth connection terminal 8 emerging from the second lower face 28.
  • the modular surge protector 5 has a modular format.
  • the first earth connection terminal 8 comprises a conductive tab 30 projecting from the second housing 9 and the conductive tab 30 protrudes from the second lower face 28.
  • the protruding tongue 30 has the advantage of being able to be inserted into the inlet 14 of the second earth connection terminal 13 of the connection module 12.
  • the output 15 of the second earth connection terminal 13 can then be connected to an earth potential of an electrical installation (not shown).
  • this configuration makes it possible to electrically connect the first earth line of the modular surge protector 5 to the earth potential of an electrical installation.
  • the first phase electrical conductor 10 comprises a first end 31 configured to be connected to the second phase connection terminal 2 of the modular circuit breaker 1 and a second end 32 configured to be connected to the third phase connection terminal 6 of the surge arrester modular 5 and the second neutral electrical conductor 11 comprises a third end 33 configured to be connected to the second neutral connection terminal 3 of the modular circuit breaker 1 and a fourth end 34 configured to be connected to the third neutral connection terminal 7 of the modular surge protector 5.
  • the third housing 16 has a generally parallelepiped shape with two main faces respectively a third left main face 35 and a third right main face 36, and third lateral faces extending from one to the other of the main faces, namely a third rear face 37, a third front face 38, a third lower face 39 and a third upper face 40, the width of the connection module 12 corresponding to the modular distance of the connection module dm between the third left main face 35 and the third right main face 36, corresponds to a multiple of a standardized value, called module, the value of which is substantially equal to 18 millimeters, the first end 31, the second end 32, the third end 33 and the fourth end 34 being projecting from the third upper face 40, and the inlet 14 of the second earth connection terminal 13 emerging from the third upper face 40 and the outlet 15 of the second earth connection terminal 13 emerging from the third lower face 39.
  • connection module 12 has a modular format.
  • location of the first end 31, the second end 32, the third end 33 and the fourth end 34 protruding from the third upper face 40 makes it possible to easily connect simultaneously on the one hand the lower end of the modular circuit breaker 1 via its first lower face 22 and on the other hand via the lower end of the modular surge arrester 5 via its second lower face 28.
  • the second earth connection terminal 13 is a screw cage and said input 14 is intended to be connected with the conductive tab 30.
  • this type of second earth connection terminal 13 makes it possible to maintain the wiring habits of the installers. Thanks to this screw cage, it is possible to mechanically and electrically connect the tongue 30 via said input 14 and an earth potential not represented by said outlet 15.
  • the screw cage comprises at least one cage 44 and one screw 45.
  • the third upper face 40 of the third housing 16 comprises a first flat portion 41 to which the first lower face 22 is attached and a second flat portion 42 to which the second lower face 28 is attached.
  • the first lower face 22 of the first housing 4 and the second lower face 28 of the second housing 9 are aligned and the first flat portion 41 and the second flat portion 42 are aligned.
  • This configuration is suitable when a first height of the modular circuit breaker 1 and a second height of the modular surge arrester 5 are identical.
  • the first height corresponds to the distance between the first lower face 22 and the first upper face 23.
  • the second height corresponds to the distance between the second lower face 28 and the second upper face 29.
  • the first lower face 22 of the first housing 4 and the second lower face 28 of the second housing 9 are offset and the first flat portion 41 and the second flat portion 42 are offset.
  • This configuration is suitable when the first height of the modular circuit breaker 1 and the second height of the modular surge protector 5 are different.
  • the first upper face 23 and the second upper face 29 are preferentially aligned as illustrated in the figures 3 to 4 And 15 to 16 .
  • the third housing 16 preferably comprises a first shell 16a and a second shell 16b which can be assembled by assembly means 43 for example by clipping or nesting.
  • the first shell 16a includes for example the third upper face 40.
  • the second shell 16b comprises for example the third left main face 35, the third right main face 36, the third rear face 37, the third front face 38 and the third lower face 39.
  • the third housing 16 forms an envelope receiving inside at least the first phase electrical conductor 10, the second neutral electrical conductor 11 and the second earth connection terminal 13.
  • the third upper face 40 comprises an internal wall 40a which comprises means 40b for fixing the first phase electrical conductor 10 and the second neutral electrical conductor 11.
  • the first portion 41 of the third upper face 40 comprises at least one first orifice 46 which is crossed by the first end 31 of the first phase electrical conductor 10 and at least one second orifice 47 which is crossed by the third end 33 of the second neutral electrical conductor 11.
  • the second portion 42 of the third upper face 40 comprises at least one third orifice 48 which is crossed by the second end 32 of the first phase electrical conductor 10 and at least a fourth orifice 49 which is crossed by the fourth end 34 of the second neutral electrical conductor 11.
  • the second portion 42 of the third upper face 40 comprises a fifth orifice 50 which gives access to the inlet 14 of the second earth connection terminal 13.
  • the second orifice 47 is arranged in a first corner formed by the third left main face 35 and the third rear face 37.
  • the first portion 41 of the third upper face 40 comprises a single first orifice 46.
  • the first portion 41 of the third upper face 40 comprises a plurality of first orifices 46, for example three, which are each crossed by a third end 31 of a second neutral electrical conductor 11.
  • this plurality first orifices 46 are aligned in a first row.
  • the second portion 42 of the third upper face 40 comprises a single third orifice 48.
  • the second portion 42 of the third upper face 40 comprises a plurality of third orifices 48, for example three, which are each crossed by a second end 32 of a first phase electrical conductor 10.
  • said at least one third orifice 48 and the fourth orifice 49 are aligned in a second row.
  • the first row and the second row are not aligned.
  • the fifth orifice 50 is arranged in a second corner formed by the third right main face 36 and the third rear face 37.
  • At least the first end 31, the second end 32, the third end 33 and the fourth end 34 are rigid to facilitate connection.
  • at least the first end 31, the second end 32, the third end 33 and/or the fourth end 34 are flexible.
  • the latter are each formed by one end of a rigid and enameled wire.
  • the dimension of the first end 31, second end 32, third end 33 and fourth end 34 is defined to allow insertion respectively into the second phase connection terminal 2, the third phase connection terminal 6, the second neutral connection terminal 3 and the third neutral connection terminal 7.
  • At least the first end 31, the second end 32, the third end 33 and the fourth end 34 are orthogonal to the third upper face 40.
  • the first phase electrical conductor 10 is a copper cable or wire.
  • the second neutral electrical conductor 11 is a copper cable or wire.
  • the first phase electrical conductor 10 and the second neutral electrical conductor 11 are for example rigid and are each formed by a rigid and enameled wire, preferably made of copper. In this case, the first phase electrical conductor 10 and the second neutral electrical conductor 11 are for example folded to be positioned in the first shell 16a.
  • first phase electrical conductor 10 and the second neutral electrical conductor 11 are flexible and are each formed either by a flexible conductor with guidance to direct the cable exit, or by a braided and compacted flexible conductor or with a rigid terminal.
  • the screw cage of the second earth connection terminal 13 comprises at least one cage 44 and one screw 45.
  • the third front face 38 comprises a sixth orifice 51 which gives access to an insertion channel of the screw 45.
  • the screw head 45 is intended to be flush with the third front face 38.
  • the third front face 38 includes a marking 52 which symbolizes the earth potential.
  • the third lower face 39 comprises a seventh orifice 53 which gives access to the outlet 15 of the second earth connection terminal 13.
  • the seventh orifice 53 is arranged in a third corner formed by the third right main face 36 and the third rear face 37.
  • the fifth orifice 50 and the seventh orifice 53 are aligned.
  • the projecting tongue 30 is perpendicular to the second lower face 28.
  • the modular distance of the connection module dm is equal to the sum of the modular distance of the circuit breaker dd and the modular distance of the surge arrester dp.
  • the first height of the modular circuit breaker 1 is greater than the second height of the modular surge protector 5.
  • the first lower face 22 of the first housing 4 and the second lower face 28 of the second housing 9 are preferably offset by an offset distance which is substantially equal to the difference between the first height and the second height .
  • first flat portion 41 and the second flat portion 42 are offset by this same offset distance.
  • the first phase connection terminal, the first neutral connection terminal, the second phase connection terminal 2, and the second neutral connection terminal 3 are screw cages.
  • the first phase connection terminal is intended to be connected to a phase potential and the first neutral connection terminal is intended to be connected to a neutral potential.
  • the third phase connection terminal 6 and the third neutral connection terminal 7 are screw cages.
  • THE figures 1 to 12 relate to a protection assembly against overvoltages according to a first alternative embodiment of the invention.
  • the modular circuit breaker 1 comprises a single first phase line and a single first line of neutral and the modular surge protector 5 includes a single second phase line, a single second neutral line and a single first earth line.
  • the connection module 12 comprises a single first phase electrical conductor 10, a single second neutral electrical conductor 11 and a single second earth connection terminal 13.
  • THE figures 1 And 2 illustrate this overvoltage protection assembly in a disassembled position PD, that is to say that the connection module 12 is not electrically and mechanically connected with the modular circuit breaker 1 and the modular surge protector 5.
  • These figures 1 And 2 show in particular that the modular circuit breaker 1 has a single second phase connection terminal 2 and a single second neutral connection terminal 3 which emerge from the first lower face 22 and that the modular surge arrester 5 has a single third phase connection terminal 6, a single third neutral connection terminal 7 and a single first earth connection terminal 8 which emerge from the second lower face 28.
  • THE figures 3 to 6 illustrate this surge protector assembly in the PA assembled position.
  • THE figures 3 And 4 show in particular that this overvoltage protection assembly is in the form of the monobloc unit 17 which in this case has an overall width LG1 worth two modules.
  • THE figures 7 to 9 show in particular that a single first end 31 and a single third end 33 project from the first portion 41 of the third upper face 40 and that a single second end 32 and a single fourth end 34 project from the second portion 42 of the third upper face 40.
  • connection module 12 comprises a single first phase electrical conductor 10, a single second neutral electrical conductor 11 and a single second connection terminal earth 13 which are contained in the third housing 16.
  • the third housing 16 is also formed by the first shell 16a and the second shell 16b which are not assembled, but can be assembled by the assembly means 43 for example by clipping or interlocking as illustrated in the figures 7 to 10 .
  • THE figures 13 to 25 relate to a protection assembly against overvoltages according to a second alternative embodiment of the invention.
  • the modular circuit breaker 1 comprises three first phase lines and a single first neutral line and the modular surge arrester 5 comprises three second phase lines, a single second neutral line and a single first earth line.
  • the connection module comprises three first phase electrical conductors 10, a single second neutral electrical conductor 11 and a single second earth connection terminal 13.
  • THE figures 13 And 14 illustrate this overvoltage protection assembly in a disassembled position PD, that is to say that the connection module 12 is not electrically and mechanically connected with the modular circuit breaker 1 and the modular surge protector 5.
  • These figures 13 And 14 show in particular that the modular circuit breaker 1 has three second phase connection terminals 2 and a single second neutral connection terminal 3 which emerge from the first lower face 22 and that the modular surge arrester 5 has three third phase connection terminals 6, a single third neutral connection terminal 7 and a single first earth connection terminal 8 which emerge from the second lower face 28.
  • THE figures 15 to 18 illustrate this surge protector assembly in the PA assembled position.
  • THE figures 15 And 16 show in particular that this overvoltage protection assembly is in the form of the monobloc unit 17 which in this case has an overall width LG2 worth five modules.
  • THE figures 19 to 21 show in particular that three first ends 31 and a single third end 33 project from the first portion 41 of the third upper face 40 and that three second ends 32 and only one fourth end 34 project from the second portion 42 of the third upper face 40.
  • THE figures 22 And 23 show that the outlet 15 of the second earth connection terminal 13 emerges from the third lower face 39.
  • connection module 12 comprises three first phase electrical conductors 10, a single second neutral electrical conductor 11 and a single second earth connection terminal 13 contained inside the third housing 16.
  • the third housing 16 is by elsewhere formed by the first shell 16a and the second shell 16b which are not assembled but can be assembled by the assembly means 43 for example by clipping or nesting, as illustrated in the figures 19 to 23 .
  • connection module 12 for said overvoltage protection assembly, characterized in that said overvoltage protection assembly is according to the invention and as described previously and in that the connection module 12 comprises :
  • the electrical and mechanical connection means comprising the first phase electrical conductor 10 configured to be connected on the one hand to the second phase connection terminal 2 of the modular circuit breaker 1 and on the other hand to the third phase connection terminal 6 of the modular surge protector 5, the second neutral electrical conductor 11 configured to be connected on the one hand to the second neutral connection terminal 3 of the modular circuit breaker 1 and on the other hand to be connected to the third neutral connection terminal 7 of the modular surge arrester 5 and the second earth connection terminal 13 comprising said input 14 intended to be connected with the first earth connection terminal 8 of the modular surge arrester 5 and said output 15, and said third housing 16.
  • connection module 12 may include the aforementioned characteristics and described in particular in relation to said protection assembly against overvoltages.

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  • Emergency Protection Circuit Devices (AREA)
EP22315337.0A 2022-12-20 2022-12-20 Überspannungsschutzanordnung und anschlussmodul dafür Pending EP4391005A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22315337.0A EP4391005A1 (de) 2022-12-20 2022-12-20 Überspannungsschutzanordnung und anschlussmodul dafür

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22315337.0A EP4391005A1 (de) 2022-12-20 2022-12-20 Überspannungsschutzanordnung und anschlussmodul dafür

Publications (1)

Publication Number Publication Date
EP4391005A1 true EP4391005A1 (de) 2024-06-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP22315337.0A Pending EP4391005A1 (de) 2022-12-20 2022-12-20 Überspannungsschutzanordnung und anschlussmodul dafür

Country Status (1)

Country Link
EP (1) EP4391005A1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1447831A1 (de) 2003-02-13 2004-08-18 Hager Electro S.A.S. (société par Actions Simplifiée) Schutzvorrichtung gegen Blitzüberspannungen
DE102009005789A1 (de) * 2009-01-22 2010-07-29 Phoenix Contact Gmbh & Co. Kg Überspannungsschutzkombination zum Schutz von elektrischen Niederspannungsanlagen- und geräten
EP2897153A1 (de) * 2014-01-21 2015-07-22 Legrand France Anschlussschnittstelle eines Schutzschalters und eines Blitzableiters, Blitzableiter, der eine solche Schnittstelle umfasst, und selbstschützende elektrische Anordnung, die einen Blitzableiter und einen Schutzschalter umfasst, die über eine solche Schnittstelle angeschlossen sind

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1447831A1 (de) 2003-02-13 2004-08-18 Hager Electro S.A.S. (société par Actions Simplifiée) Schutzvorrichtung gegen Blitzüberspannungen
DE102009005789A1 (de) * 2009-01-22 2010-07-29 Phoenix Contact Gmbh & Co. Kg Überspannungsschutzkombination zum Schutz von elektrischen Niederspannungsanlagen- und geräten
EP2897153A1 (de) * 2014-01-21 2015-07-22 Legrand France Anschlussschnittstelle eines Schutzschalters und eines Blitzableiters, Blitzableiter, der eine solche Schnittstelle umfasst, und selbstschützende elektrische Anordnung, die einen Blitzableiter und einen Schutzschalter umfasst, die über eine solche Schnittstelle angeschlossen sind

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